Table of Significant Drinking Water Threats (Chemicals)
Risk:
PrescribedThreat
TSC
ChemQty
ChemRim
ZoneScores
Risk
The use of land as livestock grazing or pasturing land, an outdoor confinement area or a farm-animal yard. O. Reg. 385/08, s. 3.
ASM Generation - OCA or Farm Animal Yard
The number of animals confined in the area at any time is sufficient to generate ASM at a rate of > 300 nutrient units/ha of the area annually.
The use of land as an OCA or a farm-animal yard.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The handling and storage of a dense non-aqueous phase liquid.
DNAPL - Handling & Storage
The engagement of an activity that may include, but not limited to, those provided in List 1 of Section 9 of the Glossary of Terms in the TDWTs.
DNAPL storage entirely below grade.
WHPA-C with a scores of 4
Significant
The application of pesticide to land.
Pesticide - Application
Total application area < 1 ha
Pesticide is applied to land
IPZ-1 with a scores of 10
Significant
The handling and storage of a dense non-aqueous phase liquid.
DNAPL - Handling & Storage
The engagement of an activity that may include, but not limited to, those provided in List 1 of Section 9 of the Glossary of Terms in the TDWTs.
DNAPL storage partially below grade
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The application of pesticide to land.
Pesticide - Application
The disposal area is > 10 ha
Pesticide is applied to land
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The application of pesticide to land.
Pesticide - Application
The disposal area is 1-10 ha
Pesticide is applied to land
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment and operation of a liquid hydrocarbon pipeline
Pipeline
The pipeline is designated for transmitting or distributing to terminals and distribution centres.
Conveyance of a liquid hydrocarbon by a pipeline within the meaning of O. Reg. 210/01 or the CER Act, where the pipeline is above ground or above a water body.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The application of commercial fertilizer to land.
Fertilizer - Application
where the managed land is > 80% and the livestock density is 0.5 - 1 NU/acre.
Fertilizer is applied to land
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The application of commercial fertilizer to land.
Fertilizer - Application
where the managed land is < 40% and the livestock density is > 1 NU/acre.
Fertilizer is applied to land
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Hauled Sewage - Storage
-
Hauled sewage storage in a lagoon in a stationary means of containment, not including a site where it is produced before its collection by a hauled sewage system
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The handling and storage of fuel.
Fuel - Handling and Storage
Fuel stored or handled in a quantity that is more than 250, but not more than 2,500 litres.
Liquid fuel storage in a tank partially below grade at a facility as defined in section 1 of O. Reg. 213/01, a facility as defined in section 1 of O. Reg. 217/01, or a facility that manufacturers or refines fuel.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Industrial Effluent Discharges
The site is part of a facility for which the NPRI Notice requires a person to report and the report must include information in relation to a substance listed in Group 1, 2, 3 or 4 of Part 1 of Schedule 1 or Part 2 of Schedule 1 of the notice.
Industrial sewage discharge to surface water or land
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The application of agricultural source material to land.
Application of Agricultural Source Material (ASM) to Land
where the managed land is > 80% and the livestock density is > 1 NU/acre.
ASM is applied to land
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The application of agricultural source material to land.
Application of Agricultural Source Material (ASM) to Land
where the managed land is > 80% and the livestock density is 0.5 - 1 NU/acre.
ASM is applied to land
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The application of agricultural source material to land.
Application of Agricultural Source Material (ASM) to Land
where the managed land is > 80% and the livestock density is 0.5 - 1 NU/acre.
ASM is applied to land
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The application of agricultural source material to land.
Application of Agricultural Source Material (ASM) to Land
where the managed land is 40 - 80% and the livestock density is 0.5 - 1 NU/acre.
ASM is applied to land
IPZ-1 with a scores of 10
Significant
The application of road salt.
Road Salt - Application
where the default % of impervious surface area is at least 8%, but less than 30% in WHPA-A, B, C, C1, D or HVA; or is at least 6%, but less than 8% in IPZ-1, 2, 3 and WHPA-E.
Road salt application in an area
IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Industrial Effluent Discharges
The site is part of a facility for which the NPRI Notice requires a person to report and the report must include information in relation to a substance listed in Group 1, 2, 3 or 4 of Part 1 of Schedule 1 or Part 2 of Schedule 1 of the notice.
Industrial sewage discharge to surface water or land
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Storm Water - Outfall (Residential/Institutional)
The % of impervious areas of the lands served by the facility draining to the SWMF or storm water drainage system is >50% of the drainage area
SWMF or storm water drainage system outfall that serves land where the predominant land use is residential or institutional or community use.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Storm Water - Outfall (Rural)
The % of impervious areas of the lands served by the facility draining to the SWMF or storm water drainage system is more than 20% but not more than 50% of the drainage area
SWMF or storm water drainage system outfall that serves land where the predominant land use is rural, agricultural, outdoor recreational, parkland or greenhouses.
IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Landfarming of Petroleum Refining Waste
The area where the land disposal is undertaken is > 10 ha.
Petroleum refining waste land disposal by means of landfarming.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Storm Water - Outfall (Residential/Institutional)
The % of impervious areas of the lands served by the facility draining to the SWMF or storm water drainage system is more than 20% but not more than 50% of the drainage area
SWMF or storm water drainage system outfall that serves land where the predominant land use is residential or institutional or community use.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Storm Water - Outfall (Residential/Institutional)
The % of impervious areas of the lands served by the facility draining to the SWMF or storm water drainage system is more than 20% but not more than 50% of the drainage area
SWMF or storm water drainage system outfall that serves land where the predominant land use is residential or institutional or community use.
IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Storm Water - Outfall (Rural)
The % of impervious areas of the lands served by the facility draining to the SWMF or storm water drainage system is >50% of the drainage area
SWMF or storm water drainage system outfall that serves land where the predominant land use is rural, agricultural, outdoor recreational, parkland or greenhouses.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Storm Water - Outfall (Rural)
The % of impervious areas of the lands served by the facility draining to the SWMF or storm water drainage system is >50% of the drainage area
SWMF or storm water drainage system outfall that serves land where the predominant land use is rural, agricultural, outdoor recreational, parkland or greenhouses.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
LIW Injection into a well
The combined rate of discharge of all wells located at the site is more than 3,800 but not more than 38,000 m3/year.
LIW discharge into a geological formation by means of a well.
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
LIW Injection into a well
The combined rate of discharge of all wells located at the site is more than 38,000 but not more than 380,000 m3/year.
LIW discharge into a geological formation by means of a well.
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
LIW Injection into a well
The combined rate of discharge of all wells located at the site is more than 380,000 but not more than 3,800,000 m3/year.
LIW discharge into a geological formation by means of a well.
WHPA-A, WHPA-B with a scores of 10
Significant
The use of land as livestock grazing or pasturing land, an outdoor confinement area or a farm-animal yard. O. Reg. 385/08, s. 3.
ASM Generation - Livestock Grazing
The number of nutrient units generated in the farm unit divided by the number of acres of land that is used for livestock grazing or pasturing land is sufficient to generate nutrients at an annual rate that is > 1.0 nutrient units/acre.
The use of land as livestock grazing or pasturing land.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
POW - Application
where the managed land is > 80% and the livestock density is < 0.5 NU/acre.
POW application to land that may result in a release to groundwater or surface water.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Industrial Effluent Discharges
The site is part of a facility for which the NPRI Notice requires a person to report and the report must include information in relation to a substance listed in Group 1, 2, 3 or 4 of Part 1 of Schedule 1 or Part 2 of Schedule 1 of the notice.
Industrial sewage discharge to surface water or land
WHPA-E, IPZ-2, IPZ-3 with a scores of 8.1
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Hauled Sewage - Storage
-
Hauled sewage storage in a tank in a stationary means of containment, not including a site where it is produced before its collection by a hauled sewage system.
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Hauled Sewage - Storage
-
Hauled sewage storage in a lagoon in a stationary means of containment, not including a site where it is produced before its collection by a hauled sewage system
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Landfilling (Hazardous Waste or LIW)
The fill area is 1-10 ha.
Hazardous waste, LIW or processed LIW land disposal.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Transfer/Processing Site - Hazardous Waste or LIW
-
Hazardous waste or LIW storage partially below grade at a transfer/processing site approved to receive hazardous waste or LIW.
WHPA-E, IPZ-2, IPZ-3 with a scores of 8.1
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Transfer/Processing Site - Hazardous Waste or LIW
-
Hazardous waste or LIW storage partially below grade at a transfer/processing site approved to receive hazardous waste or LIW.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Transfer/Processing Site - Hazardous Waste or LIW
-
Hazardous waste or LIW storage above grade at a transfer/processing site approved to receive hazardous waste or LIW.
WHPA-B, WHPA-C, WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 8
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Transfer/Processing Site - Hazardous Waste or LIW
-
Hazardous waste or LIW storage above grade at a transfer/processing site approved to receive hazardous waste or LIW.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Landfilling (Municipal Waste)
The fill area is < 1 ha.
Municipal waste land disposal.
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Industrial Effluent Discharges
The site is not part of a facility for which the NPRI Notice requires a person to report.
Industrial sewage discharge to surface water or land
IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Transfer/Processing Site - Hazardous Waste or LIW
-
Hazardous waste or LIW storage partially below grade at a transfer/processing site approved to receive hazardous waste or LIW.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Disposal of Hauled Sewage to Land
The disposal area is 1-10 ha
Hauled sewage disposal to land by any method.
IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Transfer/Processing Site - Hazardous Waste or LIW
-
Hazardous waste or LIW storage above grade at a transfer/processing site approved to receive hazardous waste or LIW.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Disposal of Hauled Sewage to Land
The disposal area is > 10 ha
Hauled sewage disposal to land by any method.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
LIW Injection into a well
The combined rate of discharge of all wells located at the site is more than 3,800,000 but not more than 38,000,000 m3/year.
LIW discharge into a geological formation by means of a well.
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Transfer/Processing Site - Municipal Waste
-
Municipal waste storage entirely below grade at a transfer/processing site approved to receive only municipal waste.
WHPA-B, WHPA-C with a scores of 8
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Transfer/Processing Site - Municipal Waste
-
Municipal waste storage entirely below grade at a transfer/processing site approved to receive only municipal waste.
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Transfer/Processing Site - Hazardous Waste or LIW
-
Hazardous waste or LIW storage above grade at a transfer/processing site approved to receive hazardous waste or LIW.
WHPA-E, IPZ-2, IPZ-3 with a scores of 8.1
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Transfer/Processing Site - Hazardous Waste or LIW
-
Hazardous waste or LIW storage partially below grade at a transfer/processing site approved to receive hazardous waste or LIW.
WHPA-B, WHPA-C, WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 8
Significant
The application of road salt.
Road Salt - Application
where the default % of impervious surface area is 30% or more in WHPA-A, B, C, C1, D or HVA; or is 8% or more in IPZ-1, 2, 3 and WHPA-E.
Road salt application in an area
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The handling and storage of road salt.
Road Salt - Handling & Storage - Potentially Exposed
The quantity stored is > 100 kg.
Storage of road salt in an enclosure such as outdoor bins, salt boxes, tarps or containers, 3-sided storage sheds or domes, or by any other means where it has the potential to be exposed to precipitation, or runoff from precipitation or snow melt.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Storm Water - Infiltration (Industrial/Commercial)
Sum of impervious areas is > 2000 m2
A storm water infiltration facility that serves land where the predominant land use is commercial or industrial land uses.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The application of commercial fertilizer to land.
Fertilizer - Application
where the managed land is > 80% and the livestock density is < 0.5 NU/acre.
Fertilizer is applied to land
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Storm Water - Infiltration (Residential/Institutional)
Sum of impervious areas is more than 200 but not more than 2000 m2
A storm water infiltration facility that serves land where the predominant land use is residential or institutional or community use.
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Transfer/Processing Site - Municipal Waste
-
Municipal waste storage partially below grade at a transfer/processing site approved to receive only municipal waste.
WHPA-B, WHPA-C with a scores of 8
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Transfer/Processing Site - Municipal Waste
-
Municipal waste storage partially below grade at a transfer/processing site approved to receive only municipal waste.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Transfer/Processing Site - Municipal Waste
-
Municipal waste storage at or above grade at a transfer/processing site approved to receive only municipal waste.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The handling and storage of a dense non-aqueous phase liquid.
DNAPL - Handling & Storage
The engagement of an activity that may include, but not limited to, those provided in List 1 of Section 9 of the Glossary of Terms in the TDWTs.
DNAPL storage entirely below grade.
WHPA-C with a scores of 2
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Waste Generation Facility - Registration Exempt or Excluded
-
Wastes described in specific provisions of O. Reg. 347 - excluded or exempted from registration - and are stored partially below grade at a waste generation facility.
WHPA-A, WHPA-B with a scores of 10
Significant
The storage of snow.
Snow - Storage
The area upon which snow is stored is more than 2000 m2
A storm water drainage system outfall that serves a Snow Disposal Facility.
WHPA-E, IPZ-2, IPZ-3 with a scores of 8.1
Significant
The storage of snow.
Snow - Storage
The area upon which snow is stored is more than 2000 m2
A storm water drainage system outfall that serves a Snow Disposal Facility.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Storm Water - Infiltration (Industrial/Commercial)
Sum of impervious areas is more than 200 but not more than 2000 m2
A storm water infiltration facility that serves land where the predominant land use is commercial or industrial land uses.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Transfer/Processing Site - Municipal Waste
-
Municipal waste storage partially below grade at a transfer/processing site approved to receive only municipal waste.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Transfer/Processing Site - Municipal Waste
-
Municipal waste storage at or above grade at a transfer/processing site approved to receive only municipal waste.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Waste Generation Facility - Registration Exempt or Excluded
-
Wastes described in specific provisions of O. Reg. 347 - excluded or exempted from registration - and are stored below grade at a waste generation facility.
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Waste Generation Facility - Requiring Registration
-
Subject waste storage at or above grade, or partially below grade, at a waste generation facility requiring generator registration, excluding a waste disposal site that requires an ECA under Part V of the EPA.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
POW - Storage
The mass of nitrogen in the POW or waste biomass stored is more than 0.5 tonne but not more than 5 tonnes.
POW or waste biomass storage below grade.
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
POW - Storage
The mass of nitrogen in the POW or waste biomass stored is more than 0.5 tonne but not more than 5 tonnes.
POW or waste biomass storage at or above grade.
IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Landfarming of Petroleum Refining Waste
The area where the land disposal is undertaken is more than 1, but not more than 10 ha.
Petroleum refining waste land disposal by means of landfarming.
IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Landfarming of Petroleum Refining Waste
The area where the land disposal is undertaken is > 10 ha.
Petroleum refining waste land disposal by means of landfarming.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The application of commercial fertilizer to land.
Fertilizer - Application
where the managed land is > 80% and the livestock density is > 1 NU/acre.
Fertilizer is applied to land
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Wastewater Collection Facilities and Associated Parts: Sanitary Sewers
The wastewater collection facility is designed to convey more than 10,000, but not more than 100,000 m3 of sewage/day
A forcemain or rising main, not including its appurtenances
WHPA-A, WHPA-B with a scores of 10
Significant
The storage of snow.
Snow - Storage
The area upon which snow is stored is more than 2000 m2
A storm water drainage system outfall that serves a Snow Disposal Facility.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 8
Significant
The application of commercial fertilizer to land.
Fertilizer - Application
where the managed land is 40 - 80% and the livestock density is > 1 NU/acre.
Fertilizer is applied to land
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Storm Water - Outfall (Industrial/Commercial)
The % of impervious areas of the lands served by the facility draining to the SWMF or storm water drainage system is more than 20% but not more than 50% of the drainage area
SWMF or storm water drainage system outfall that serves land where the predominant land use is commercial or industrial land uses.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The storage of agricultural source material.
ASM - Storage
The weight or volume of manure stored annually on a farm unit is sufficient to annually land apply agricultural source material at a rate that is more than 0.5, but not more than 1.0 nutrient unit per acre of the farm units.
ASM storage partially below grade in a permanent nutrient storage facility.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Overflow - CSO or SSO
The wastewater collection facility is designed to convey more than 10,000, but not more than 100,000 m3 of sewage/day
A combined sewer or partially separated sanitary sewer outfall that discharges CSO, or a manhole that discharges SSO or a wet well outfall that discharges sanitary sewage PSO
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The application of agricultural source material to land.
Application of Agricultural Source Material (ASM) to Land
where the managed land is 40 - 80% and the livestock density is > 1 NU/acre.
ASM is applied to land
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Overflow - CSO or SSO
The wastewater collection facility is designed to convey > 100,000 m3 of sewage/day.
A combined sewer or partially separated sanitary sewer outfall that discharges CSO, or a manhole that discharges SSO or a wet well outfall that discharges sanitary sewage PSO
WHPA-E, IPZ-2, IPZ-3 with a scores of 8.1
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Overflow - CSO or SSO
The wastewater collection facility is designed to convey > 100,000 m3 of sewage/day.
A combined sewer or partially separated sanitary sewer outfall that discharges CSO, or a manhole that discharges SSO or a wet well outfall that discharges sanitary sewage PSO
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 8
Significant
The storage of agricultural source material.
ASM - Storage
The weight or volume of manure stored annually on a farm unit is sufficient to annually land apply agricultural source material at a rate that is more than 1.0 nutrient unit per acre of the farm units.
ASM storage at or above grade on a temporary field nutrient storage site.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The storage of agricultural source material.
ASM - Storage
The weight or volume of manure stored annually on a farm unit is sufficient to annually land apply agricultural source material at a rate that is more than 1.0 nutrient unit per acre of the farm units.
ASM storage partially below grade in a permanent nutrient storage facility.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Wastewater Collection Facilities and Associated Parts: Sewage Pumping Station or Lift Station Wet Well, a Holding Tank or a Tunnel
The wastewater collection facility is designed to convey > 100,000 m3 of sewage/day.
A holding tank or a tunnel below grade that forms part of a wastewater collection facility not including a wet well, and stores sanitary sewage containing human waste.
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Landfilling (Hazardous Waste or LIW)
The fill area is > 10 hectares.
Hazardous waste, LIW or processed LIW land disposal.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The application of road salt.
Road Salt - Application
where the default % of impervious surface area is 30% or more in WHPA-A, B, C, C1, D or HVA; or is 8% or more in IPZ-1, 2, 3 and WHPA-E.
Road salt application in an area
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The handling and storage of road salt.
Road Salt - Handling & Storage - Exposed
The quantity of road salt stored is 10-20 kg.
Storage of road salt exposed to precipitation, runoff or snow melt.
IPZ-1 with a scores of 10
Significant
The handling and storage of road salt.
Road Salt - Handling & Storage - Exposed
The quantity of road salt stored is > 20 kg.
Storage of road salt exposed to precipitation, runoff or snow melt.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Landfilling (Hazardous Waste or LIW)
The fill area is > 10 hectares.
Hazardous waste, LIW or processed LIW land disposal.
WHPA-B, WHPA-C with a scores of 8
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Landfilling (Hazardous Waste or LIW)
The fill area is > 10 hectares.
Hazardous waste, LIW or processed LIW land disposal.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The handling and storage of commercial fertilizer.
Fertilizer - Handling and Storage
The fertilizer stored is > 2,500 kg.
Fertilizer storage.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
POW - Storage
The mass of nitrogen in the POW or waste biomass stored is >5 tonnes.
POW or waste biomass storage at or above grade.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The application of non-agricultural source material to land.
NASM - Application
where the managed land is > 80% and the livestock density is < 0.5 NU/acre.
Material from non-farm herbivorous animals (Category 1), Category 2 or Category 3 NASM is applied to land
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
WWTF and Associated Parts
WWTF discharges treated sanitary sewage at an average daily rate that is more than 50,000 m3/year.
A sewage lagoon that may discharge sewage to groundwater
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The handling and storage of a dense non-aqueous phase liquid.
DNAPL - Handling & Storage
The engagement of an activity that may include, but not limited to, those provided in List 1 of Section 9 of the Glossary of Terms in the TDWTs.
DNAPL storage at or above grade
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The handling and storage of a dense non-aqueous phase liquid.
DNAPL - Handling & Storage
The engagement of an activity that may include, but not limited to, those provided in List 1 of Section 9 of the Glossary of Terms in the TDWTs.
DNAPL storage at or above grade
WHPA-B, WHPA-C with a scores of 8
Significant
The handling and storage of a dense non-aqueous phase liquid.
DNAPL - Handling & Storage
The engagement of an activity that may include, but not limited to, those provided in List 1 of Section 9 of the Glossary of Terms in the TDWTs.
DNAPL storage at or above grade
WHPA-B, WHPA-C with a scores of 6
Significant
The handling and storage of a dense non-aqueous phase liquid.
DNAPL - Handling & Storage
The engagement of an activity that may include, but not limited to, those provided in List 1 of Section 9 of the Glossary of Terms in the TDWTs.
DNAPL storage at or above grade
WHPA-C with a scores of 4
Significant
The handling and storage of a dense non-aqueous phase liquid.
DNAPL - Handling & Storage
The engagement of an activity that may include, but not limited to, those provided in List 1 of Section 9 of the Glossary of Terms in the TDWTs.
DNAPL storage at or above grade
WHPA-C with a scores of 2
Significant
The application of commercial fertilizer to land.
Fertilizer - Application
where the managed land is > 80% and the livestock density is 0.5 - 1 NU/acre.
Fertilizer is applied to land
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Overflow - CSO or SSO
The wastewater collection facility is designed to convey > 100,000 m3 of sewage/day.
A combined sewer or partially separated sanitary sewer outfall that discharges CSO, or a manhole that discharges SSO or a wet well outfall that discharges sanitary sewage PSO
IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
PCB Waste Storage
The PCB waste is stored at a PCB waste disposal site or was delivered to a site under written instructions of a Director.
PCB waste storage in tanks partially below grade.
WHPA-A, WHPA-B with a scores of 10
Significant
The application of commercial fertilizer to land.
Fertilizer - Application
where the managed land is 40 - 80% and the livestock density is > 1 NU/acre.
Fertilizer is applied to land
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment and operation of a liquid hydrocarbon pipeline
Pipeline
The pipeline is designated for transmitting or distributing to terminals and distribution centres.
Conveyance of a liquid hydrocarbon by a pipeline within the meaning of O. Reg. 210/01 or the CER Act, where the pipeline is above ground or above a water body.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment and operation of a liquid hydrocarbon pipeline
Pipeline
The pipeline is designated for transmitting or distributing to terminals and distribution centres.
Conveyance of a liquid hydrocarbon by way of a pipeline within the meaning of O. Reg. 210/01 or the CER Act, where the pipeline is below ground and is not crossing underneath a water body
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
POW - Storage
The mass of nitrogen in the POW or waste biomass stored is >5 tonnes.
POW or waste biomass storage partially below grade.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The application of non-agricultural source material to land.
NASM - Application
where the managed land is 40 - 80% and the livestock density is 0.5 - 1 NU/acre.
Material from non-farm herbivorous animals (Category 1), Category 2 or Category 3 NASM is applied to land
IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Disposal of Hauled Sewage to Land
The disposal area is > 10 ha
Hauled sewage disposal to land by any method.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The handling and storage of fuel.
Fuel - Handling and Storage
Fuel stored or handled in a quantity that is >2,500 litres.
Liquid fuel storage in a tank partially below grade at a facility as defined in section 1 of O. Reg. 213/01, a facility as defined in section 1 of O. Reg. 217/01, or a facility that manufacturers or refines fuel.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The handling and storage of fuel.
Fuel - Handling and Storage
Fuel stored or handled in a quantity that is >2,500 litres.
Liquid fuel storage in a tank at or above grade at a facility as defined in section 1 of O. Reg. 213/01, a facility as defined in section 1 of O. Reg. 217/01, or a facility that manufactures or refines fuel.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The handling and storage of fuel.
Fuel - Handling and Storage
Fuel stored or handled in a quantity that is >2,500 litres.
Liquid fuel storage in a tank partially below grade at a facility as defined in section 1 of O. Reg. 213/01, a facility as defined in section 1 of O. Reg. 217/01, or a facility that manufacturers or refines fuel.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
WWTF and Associated Parts
WWTF discharges treated sanitary sewage at an average daily rate that is more than 50,000 m3/year.
An STP final effluent outfall or an STP overflow outfall.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 8
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
WWTF and Associated Parts
WWTF discharges treated sanitary sewage at an average daily rate that is more than 50,000 m3/year.
An STP final effluent outfall or an STP overflow outfall.
WHPA-E, IPZ-2, IPZ-3 with a scores of 8.1
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
WWTF and Associated Parts
WWTF discharges treated sanitary sewage at an average daily rate that is more than 50,000 m3/year.
An STP final effluent outfall or an STP overflow outfall.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The handling and storage of fuel.
Fuel - Handling and Storage
Fuel stored or handled in a quantity that is more than 250, but not more than 2,500 litres.
Liquid fuel storage in a tank entirely below grade at a facility as defined in section 1 of O. Reg. 213/01, a facility as defined in section 1 of O. Reg. 217/01, or a facility that manufactures or refines fuel.
WHPA-A, WHPA-B with a scores of 10
Significant
The storage of snow.
Snow - Storage
The area upon which snow is stored is more than 2000 m2
A storm water drainage system outfall that serves a Snow Disposal Facility.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The storage of snow.
Snow - Storage
The area upon which snow is stored is more than 2000 m2
Infiltration or discharge of snowmelt from the storage of snow on commercial or industrial sites.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The storage of snow.
Snow - Storage
The area upon which snow is stored is more than 2000 m2
Infiltration or discharge of snowmelt from the storage of snow on commercial or industrial sites.
WHPA-E, IPZ-2, IPZ-3 with a scores of 8.1
Significant
The storage of snow.
Snow - Storage
The area upon which snow is stored is more than 2000 m2
Infiltration or discharge of snowmelt from the storage of snow on commercial or industrial sites.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 8
Significant
The storage of snow.
Snow - Storage
The snow storage area is 200-2000 m2.
A storm water drainage system outfall that serves a Snow Disposal Facility.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The storage of snow.
Snow - Storage
The snow storage area is 200-2000 m2.
Infiltration or discharge of snowmelt from the storage of snow on commercial or industrial sites.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The storage of agricultural source material.
ASM - Storage
The weight or volume of manure stored annually on a farm unit is sufficient to annually land apply agricultural source material at a rate that is more than 1.0 nutrient unit per acre of the farm units.
ASM storage at or above grade in a permanent nutrient storage facility
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Landfilling (Municipal Waste)
The fill area is > 10 hectares.
Municipal waste land disposal.
WHPA-B, WHPA-C with a scores of 8
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Landfilling (Municipal Waste)
The fill area is > 10 hectares.
Municipal waste land disposal.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Storm Water - Infiltration (Rural)
Sum of impervious areas is more than 200 but not more than 2000 m2
A storm water infiltration facility that serves land where the predominant land use is rural, agricultural, outdoor recreational, parkland or greenhouses.
WHPA-A, WHPA-B with a scores of 10
Significant
The handling and storage of an organic solvent.
Organic Solvent - Handling & Storage
The quantity of organic solvent stored is more than 250, but not more than 2,500 litres.
Organic solvent storage at or above grade.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The handling and storage of an organic solvent.
Organic Solvent - Handling & Storage
The quantity of organic solvent stored is more than 25, but not more than 250 litres.
Organic solvent storage partially below grade.
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
WWTF and Associated Parts
WWTF discharges treated sanitary sewage at an average daily rate that is more than 17,500 but not more than 50,000 m3/year.
An STP final effluent outfall or an STP overflow outfall.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
WWTF and Associated Parts
WWTF discharges treated sanitary sewage at an average daily rate that is more than 17,500 but not more than 50,000 m3/year.
An STP final effluent outfall or an STP overflow outfall.
IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
WWTF and Associated Parts
WWTF discharges treated sanitary sewage at an average daily rate that is more than 17,500 but not more than 50,000 m3/year.
STP process or holding tank that may discharge sewage to groundwater.
WHPA-A, WHPA-B with a scores of 10
Significant
The application of non-agricultural source material to land.
NASM - Application
where the managed land is 40 - 80% and the livestock density is > 1 NU/acre.
Material from non-farm herbivorous animals (Category 1), Category 2 or Category 3 NASM is applied to land
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Industrial Effluent Discharges
The site is part of a facility for which the NPRI Notice requires a person to report and the report must include information in relation to a substance listed in Group 1, 2, 3 or 4 of Part 1 of Schedule 1 or Part 2 of Schedule 1 of the notice.
Industrial sewage discharge to surface water or land
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 8
Significant
The handling and storage of non-agricultural source material.
NASM - Handling & Storage
The mass of nitrogen in the NASM stored is > 5 tonnes.
Material from non-farm herbivorous animals (Category 1), Category 2 or Category 3 NASM is stored partially below grade in a permanent nutrient storage facility.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Storm Water - Outfall (Industrial/Commercial)
The % of impervious areas of the lands served by the facility draining to the SWMF or storm water drainage system is >50% of the drainage area
SWMF or storm water drainage system outfall that serves land where the predominant land use is commercial or industrial land uses.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The application of commercial fertilizer to land.
Fertilizer - Application
where the managed land is 40 - 80% and the livestock density is 0.5 - 1 NU/acre
Fertilizer is applied to land
IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Landfilling (Municipal Waste)
The fill area is 1-10 ha.
Municipal waste land disposal.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Onsite Sewage Works
The system is subject to the Ontario Building Code Act, 1992.
Onsite sewage system holding tank.
WHPA-A, WHPA-B with a scores of 10
Significant
The application of non-agricultural source material to land.
NASM - Application
where the managed land is < 40% and the livestock density is > 1 NU/acre.
Material from non-farm herbivorous animals (Category 1), Category 2 or Category 3 NASM is applied to land
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The handling and storage of non-agricultural source material.
NASM - Handling & Storage
The mass of nitrogen in the NASM stored is > 5 tonnes.
Material from non-farm herbivorous animals (Category 1), Category 2 or Category 3 NASM is stored below grade in or on a permanent nutrient storage facility.
WHPA-A, WHPA-B with a scores of 10
Significant
The handling and storage of non-agricultural source material.
NASM - Handling & Storage
The mass of nitrogen in the NASM stored is > 5 tonnes.
Material from non-farm herbivorous animals (Category 1), Category 2 or Category 3 NASM is stored at or above grade in or on a permanent or a temporary nutrient storage facility.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The handling and storage of an organic solvent.
Organic Solvent - Handling & Storage
The quantity of organic solvent stored is more than 250, but not more than 2,500 litres.
Organic solvent storage partially below grade.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
WWTF and Associated Parts
WWTF discharges treated sanitary sewage at an average daily rate that is more than 50,000 m3/year.
STP process or holding tank that may discharge sewage to groundwater.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The storage of snow.
Snow - Storage
The snow storage area is <200 m2
Infiltration or discharge of snowmelt from the storage of snow on commercial or industrial sites.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
PCB Waste Storage
The PCB waste is stored at a PCB waste disposal site or was delivered to a site under written instructions of a Director.
PCB waste storage in uncontained piles.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
WWTF and Associated Parts
WWTF discharges treated sanitary sewage at an average daily rate that is more than 17,500 but not more than 50,000 m3/year.
A sewage lagoon that may discharge sewage to groundwater
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Storm Water - Outfall (Industrial/Commercial)
The % of impervious areas of the lands served by the facility draining to the SWMF or storm water drainage system is more than 20% but not more than 50% of the drainage area
SWMF or storm water drainage system outfall that serves land where the predominant land use is commercial or industrial land uses.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Storm Water - Outfall (Industrial/Commercial)
The % of impervious areas of the lands served by the facility draining to the SWMF or storm water drainage system is not more than 20% of the drainage area
SWMF or storm water drainage system outfall that serves land where the predominant land use is commercial or industrial land uses.
IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Tailings From Mines
The site is part of a facility for which the NPRI Notice requires a person to report and the report must include information in relation to a substance listed in Group 1, 2, 3 or 4 of Part 1 of Schedule 1 or Part 2 of Schedule 1 of the notice.
Mine tailing storage using a surface impoundment structure.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Transfer/Processing Site - Hazardous Waste or LIW
-
Hazardous waste or LIW storage entirely below grade at a transfer/processing site approved to receive hazardous waste or LIW.
WHPA-B, WHPA-C with a scores of 8
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Transfer/Processing Site - Hazardous Waste or LIW
-
Hazardous waste or LIW storage entirely below grade at a transfer/processing site approved to receive hazardous waste or LIW.
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
POW - Application
where the managed land is < 40% and the livestock density is > 1 NU/acre.
POW application to land that may result in a release to groundwater or surface water.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
POW - Application
where the managed land is > 80% and the livestock density is 0.5 - 1 NU/acre.
POW application to land that may result in a release to groundwater or surface water.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The storage of snow.
Snow - Storage
The area upon which snow is stored is more than 2000 m2
Infiltration or discharge of snowmelt from the storage of snow on commercial or industrial sites.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Overflow - CSO or SSO
The wastewater collection facility is designed to convey > 100,000 m3 of sewage/day.
A combined sewer or partially separated sanitary sewer outfall that discharges CSO, or a manhole that discharges SSO or a wet well outfall that discharges sanitary sewage PSO
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Overflow - CSO or SSO
The wastewater collection facility is designed to convey more than 1,000, but not more than 10,000 m3 of sewage/day
A combined sewer or partially separated sanitary sewer outfall that discharges CSO, or a manhole that discharges SSO or a wet well outfall that discharges sanitary sewage PSO
IPZ-1 with a scores of 10
Significant
The establishment and operation of a liquid hydrocarbon pipeline
Pipeline
The pipeline is designated for transmitting or distributing to terminals and distribution centres.
Conveyance of a liquid hydrocarbon by way of a pipeline within the meaning of O. Reg. 210/01 or the CER Act, where the pipeline is below ground and is crossing within or underneath a water body.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
WWTF and Associated Parts
WWTF discharges treated sanitary sewage at an average daily rate that is more than 2,500 but not more than 17,500 m3/year.
An STP final effluent outfall or an STP overflow outfall.
IPZ-1 with a scores of 10
Significant
The handling and storage of an organic solvent.
Organic Solvent - Handling & Storage
The quantity of organic solvent stored is more than 25, but not more than 250 litres.
Organic solvent storage entirely below grade.
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Onsite Sewage Works
The system is a sewage works within the meaning of the Ontario Water Resources Act.
Onsite sewage system holding tank.
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Landfilling (Hazardous Waste or LIW)
The fill area is < 1 ha.
Hazardous waste, LIW or processed LIW land disposal.
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment and operation of a liquid hydrocarbon pipeline
Pipeline
The pipeline is designated for transmitting or distributing to terminals and distribution centres.
Conveyance of a liquid hydrocarbon by way of a pipeline within the meaning of O. Reg. 210/01 or the CER Act, where the pipeline is below ground and is crossing within or underneath a water body.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
POW - Application
where the managed land is > 80% and the livestock density is 0.5 - 1 NU/acre.
POW application to land that may result in a release to groundwater or surface water.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
POW - Application
where the managed land is 40 - 80% and the livestock density is 0.5 - 1 NU/acre.
POW application to land that may result in a release to groundwater or surface water.
IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
WWTF and Associated Parts
WWTF discharges treated sanitary sewage at an average daily rate that is more than 50,000 m3/year.
An STP final effluent outfall or an STP overflow outfall.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Onsite Sewage Works
The system is a sewage works within the meaning of the Ontario Water Resources Act.
Onsite sewage system (earth pit privy, privy vault, greywater system, cesspool, or a leaching bed system and its associated treatment unit).
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
PCB Waste Storage
The PCB waste is stored at a PCB waste disposal site or was delivered to a site under written instructions of a Director.
PCB waste storage below grade in a facility or engineered cell.
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Storm Water - Infiltration (Residential/Institutional)
Sum of impervious areas is > 2000 m2
A storm water infiltration facility that serves land where the predominant land use is residential or institutional or community use.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Storm Water - Outfall (Residential/Institutional)
The % of impervious areas of the lands served by the facility draining to the SWMF or storm water drainage system is >50% of the drainage area
SWMF or storm water drainage system outfall that serves land where the predominant land use is residential or institutional or community use.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The handling and storage of pesticide.
Pesticide - Handling & Storage
The pesticide stored is more than 250 but not more than 2,500 kg.
The storage of pesticide on a site.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The handling and storage of pesticide.
Pesticide - Handling & Storage
The pesticide stored is > 2,500 kg.
The storage of pesticide on a site.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The handling and storage of pesticide.
Pesticide - Handling & Storage
The pesticide stored is > 2,500 kg.
The storage of pesticide on a site.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The use of land as livestock grazing or pasturing land, an outdoor confinement area or a farm-animal yard. O. Reg. 385/08, s. 3.
ASM Generation - OCA or Farm Animal Yard
The number of animals confined in the area at any time is sufficient to generate ASM at a rate of 120-300 nutrient units/ha of the area annually.
The use of land as an OCA or a farm-animal yard.
IPZ-1 with a scores of 10
Significant
The handling and storage of road salt.
Road Salt - Handling & Storage - Exposed
The quantity of road salt stored is > 20 kg.
Storage of road salt exposed to precipitation, runoff or snow melt.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The handling and storage of non-agricultural source material.
NASM - Handling & Storage
The mass of nitrogen in the NASM stored is at 0.5-5 tonnes.  
Material from non-farm herbivorous animals (Category 1), Category 2 or Category 3 NASM is stored partially below grade in a permanent nutrient storage facility.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The handling and storage of non-agricultural source material.
NASM - Handling & Storage
The mass of nitrogen in the NASM stored is > 5 tonnes.
Material from non-farm herbivorous animals (Category 1), Category 2 or Category 3 NASM is stored at or above grade in or on a permanent or a temporary nutrient storage facility.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The application of non-agricultural source material to land.
NASM - Application
where the managed land is 40 - 80% and the livestock density is > 1 NU/acre.
Material from non-farm herbivorous animals (Category 1), Category 2 or Category 3 NASM is applied to land
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The storage of snow.
Snow - Storage
The snow storage area is 200-2000 m2.
A storm water drainage system outfall that serves a Snow Disposal Facility.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The use of land as livestock grazing or pasturing land, an outdoor confinement area or a farm-animal yard. O. Reg. 385/08, s. 3.
ASM Generation - OCA or Farm Animal Yard
The number of animals confined in the area at any time is sufficient to generate ASM at a rate of > 300 nutrient units/ha of the area annually.
The use of land as an OCA or a farm-animal yard.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The handling and storage of a dense non-aqueous phase liquid.
DNAPL - Handling & Storage
The engagement of an activity that may include, but not limited to, those provided in List 1 of Section 9 of the Glossary of Terms in the TDWTs.
DNAPL storage partially below grade
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The handling and storage of a dense non-aqueous phase liquid.
DNAPL - Handling & Storage
The engagement of an activity that may include, but not limited to, those provided in List 1 of Section 9 of the Glossary of Terms in the TDWTs.
DNAPL storage partially below grade
WHPA-B, WHPA-C with a scores of 8
Significant
The handling and storage of a dense non-aqueous phase liquid.
DNAPL - Handling & Storage
The engagement of an activity that may include, but not limited to, those provided in List 1 of Section 9 of the Glossary of Terms in the TDWTs.
DNAPL storage partially below grade
WHPA-B, WHPA-C with a scores of 6
Significant
The handling and storage of a dense non-aqueous phase liquid.
DNAPL - Handling & Storage
The engagement of an activity that may include, but not limited to, those provided in List 1 of Section 9 of the Glossary of Terms in the TDWTs.
DNAPL storage partially below grade
WHPA-C with a scores of 4
Significant
The handling and storage of a dense non-aqueous phase liquid.
DNAPL - Handling & Storage
The engagement of an activity that may include, but not limited to, those provided in List 1 of Section 9 of the Glossary of Terms in the TDWTs.
DNAPL storage partially below grade
WHPA-C with a scores of 2
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Storm Water - Outfall (Residential/Institutional)
The % of impervious areas of the lands served by the facility draining to the SWMF or storm water drainage system is not more than 20% of the drainage area
SWMF or storm water drainage system outfall that serves land where the predominant land use is residential or institutional or community use.
IPZ-1 with a scores of 10
Significant
The application of non-agricultural source material to land.
NASM - Application
where the managed land is > 80% and the livestock density is > 1 NU/acre.
Material from non-farm herbivorous animals (Category 1), Category 2 or Category 3 NASM is applied to land
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The handling and storage of non-agricultural source material.
NASM - Handling & Storage
The mass of nitrogen in the NASM stored is at 0.5-5 tonnes.  
Material from non-farm herbivorous animals (Category 1), Category 2 or Category 3 NASM is stored below grade in or on a permanent nutrient storage facility.
WHPA-A, WHPA-B with a scores of 10
Significant
The handling and storage of non-agricultural source material.
NASM - Handling & Storage
The mass of nitrogen in the NASM stored is at 0.5-5 tonnes.  
Material from non-farm herbivorous animals (Category 1), Category 2 or Category 3 NASM is stored at or above grade in or on a permanent or a temporary nutrient storage facility.
IPZ-1 with a scores of 10
Significant
The handling and storage of a dense non-aqueous phase liquid.
DNAPL - Handling & Storage
The engagement of an activity that may include, but not limited to, those provided in List 1 of Section 9 of the Glossary of Terms in the TDWTs.
DNAPL storage at or above grade
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Waste Generation Facility - Requiring Registration
-
Subject waste storage below grade at a waste generation facility requiring generator registration, excluding a waste disposal site that requires an ECA under Part V of the EPA.
WHPA-A, WHPA-B with a scores of 10
Significant
The handling and storage of a dense non-aqueous phase liquid.
DNAPL - Handling & Storage
The engagement of an activity that may include, but not limited to, those provided in List 1 of Section 9 of the Glossary of Terms in the TDWTs.
DNAPL storage entirely below grade.
WHPA-A, WHPA-B with a scores of 10
Significant
The handling and storage of a dense non-aqueous phase liquid.
DNAPL - Handling & Storage
The engagement of an activity that may include, but not limited to, those provided in List 1 of Section 9 of the Glossary of Terms in the TDWTs.
DNAPL storage entirely below grade.
WHPA-B, WHPA-C with a scores of 8
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Storm Water - Outfall (Industrial/Commercial)
The % of impervious areas of the lands served by the facility draining to the SWMF or storm water drainage system is >50% of the drainage area
SWMF or storm water drainage system outfall that serves land where the predominant land use is commercial or industrial land uses.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 8
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Storm Water - Outfall (Industrial/Commercial)
The % of impervious areas of the lands served by the facility draining to the SWMF or storm water drainage system is >50% of the drainage area
SWMF or storm water drainage system outfall that serves land where the predominant land use is commercial or industrial land uses.
WHPA-E, IPZ-2, IPZ-3 with a scores of 8.1
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Storm Water - Outfall (Industrial/Commercial)
The % of impervious areas of the lands served by the facility draining to the SWMF or storm water drainage system is >50% of the drainage area
SWMF or storm water drainage system outfall that serves land where the predominant land use is commercial or industrial land uses.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The handling and storage of an organic solvent.
Organic Solvent - Handling & Storage
The quantity of organic solvent stored is more than 250, but not more than 2,500 litres.
Organic solvent storage entirely below grade.
WHPA-A, WHPA-B with a scores of 10
Significant
The handling and storage of an organic solvent.
Organic Solvent - Handling & Storage
The quantity of organic solvent stored is > 2,500 litres.
Organic solvent storage entirely below grade.
WHPA-A, WHPA-B with a scores of 10
Significant
The storage of snow.
Snow - Storage
The snow storage area is 200-2000 m2.
Infiltration or discharge of snowmelt from the storage of snow on commercial or industrial sites.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Tailings From Mines
The site is part of a facility for which the NPRI Notice requires a person to report and the report must include information in relation to a substance listed in Group 1, 2, 3 or 4 of Part 1 of Schedule 1 or Part 2 of Schedule 1 of the notice.
Mine tailing storage in a pit.
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
POW - Storage
The mass of nitrogen in the POW or waste biomass stored is more than 0.5 tonne but not more than 5 tonnes.
POW or waste biomass storage partially below grade.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
POW - Storage
The mass of nitrogen in the POW or waste biomass stored is >5 tonnes.
POW or waste biomass storage at or above grade.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Tailings From Mines
The site is part of a facility for which the NPRI Notice requires a person to report and the report must include information in relation to a substance listed in Group 1, 2, 3 or 4 of Part 1 of Schedule 1 or Part 2 of Schedule 1 of the notice.
Mine tailing storage using a surface impoundment structure.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Tailings From Mines
The site is not part of a facility for which the NPRI Notice requires a person to report.
Mine tailing storage using a surface impoundment structure.
IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Tailings From Mines
The site is not part of a facility for which the NPRI Notice requires a person to report.
Mine tailing storage in a pit.
WHPA-A, WHPA-B with a scores of 10
Significant
The application of non-agricultural source material to land.
NASM - Application
where the managed land is > 80% and the livestock density is 0.5 - 1 NU/acre.
Material from non-farm herbivorous animals (Category 1), Category 2 or Category 3 NASM is applied to land
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Overflow - CSO or SSO
The wastewater collection facility is designed to convey more than 10,000, but not more than 100,000 m3 of sewage/day
A combined sewer or partially separated sanitary sewer outfall that discharges CSO, or a manhole that discharges SSO or a wet well outfall that discharges sanitary sewage PSO
IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
LIW Injection into a well
The combined rate of discharge of all wells located at the site is more than 380 but not more than 3,800 m3/year.
LIW discharge into a geological formation by means of a well.
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
POW - Application
where the managed land is 40 - 80% and the livestock density is > 1 NU/acre.
POW application to land that may result in a release to groundwater or surface water.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
Landfilling (Municipal Waste)
The fill area is > 10 hectares.
Municipal waste land disposal.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The handling and storage of non-agricultural source material.
NASM - Handling & Storage
The mass of nitrogen in the NASM stored is > 5 tonnes.
Material from non-farm herbivorous animals (Category 1), Category 2 or Category 3 NASM is stored partially below grade in a permanent nutrient storage facility.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The application of non-agricultural source material to land.
NASM - Application
where the managed land is > 80% and the livestock density is 0.5 - 1 NU/acre.
Material from non-farm herbivorous animals (Category 1), Category 2 or Category 3 NASM is applied to land
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
POW - Storage
The mass of nitrogen in the POW or waste biomass stored is >5 tonnes.
POW or waste biomass storage partially below grade.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Storm Water - Infiltration (Industrial/Commercial)
Sum of impervious areas is <= 200 m2
A storm water infiltration facility that serves land where the predominant land use is commercial or industrial land uses.
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Storm Water - Infiltration (Industrial/Commercial)
Sum of impervious areas is > 2000 m2
A storm water infiltration facility that serves land where the predominant land use is commercial or industrial land uses.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Storm Water - Infiltration (Rural)
Sum of impervious areas is > 2000 m2
A storm water infiltration facility that serves land where the predominant land use is rural, agricultural, outdoor recreational, parkland or greenhouses.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The application of commercial fertilizer to land.
Fertilizer - Application
where the managed land is > 80% and the livestock density is > 1 NU/acre.
Fertilizer is applied to land
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
POW - Storage
The mass of nitrogen in the POW or waste biomass stored is >5 tonnes.
POW or waste biomass storage below grade.
WHPA-A, WHPA-B with a scores of 10
Significant
The handling and storage of fuel.
Fuel - Handling and Storage
Fuel stored or handled in a quantity that is >2,500 litres.
Liquid fuel storage in a tank at or above grade at a facility as defined in section 1 of O. Reg. 213/01, a facility as defined in section 1 of O. Reg. 217/01, or a facility that manufactures or refines fuel.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The handling and storage of an organic solvent.
Organic Solvent - Handling & Storage
The quantity of organic solvent stored is > 2,500 litres.
Organic solvent storage partially below grade.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The application of non-agricultural source material to land.
NASM - Application
where the managed land is > 80% and the livestock density is > 1 NU/acre.
Material from non-farm herbivorous animals (Category 1), Category 2 or Category 3 NASM is applied to land
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The handling and storage of an organic solvent.
Organic Solvent - Handling & Storage
The quantity of organic solvent stored is > 2,500 litres.
Organic solvent storage at or above grade.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The storage of snow.
Snow - Storage
The snow storage area is <200 m2
A storm water drainage system outfall that serves a Snow Disposal Facility.
IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
Wastewater Collection Facilities and Associated Parts: Sanitary Sewers
The wastewater collection facility is designed to convey > 100,000 m3 of sewage/day.
A forcemain or rising main, not including its appurtenances
WHPA-A, WHPA-B with a scores of 10
Significant
The handling and storage of fuel.
Fuel - Handling and Storage
Fuel stored or handled in a quantity that is more than 250, but not more than 2,500 litres.
Liquid fuel storage in a tank at or above grade at a facility as defined in section 1 of O. Reg. 213/01, a facility as defined in section 1 of O. Reg. 217/01, or a facility that manufactures or refines fuel.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The handling and storage of a dense non-aqueous phase liquid.
DNAPL - Handling & Storage
The engagement of an activity that may include, but not limited to, those provided in List 1 of Section 9 of the Glossary of Terms in the TDWTs.
DNAPL storage entirely below grade.
WHPA-B, WHPA-C with a scores of 6
Significant
The application of pesticide to land.
Pesticide - Application
The disposal area is > 10 ha
Pesticide is applied to land
WHPA-E, IPZ-2, IPZ-3 with a scores of 8.1
Significant
The application of pesticide to land.
Pesticide - Application
The disposal area is > 10 ha
Pesticide is applied to land
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The application of pesticide to land.
Pesticide - Application
The disposal area is 1-10 ha
Pesticide is applied to land
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The storage of agricultural source material.
ASM - Storage
The weight or volume of manure stored annually on a farm unit is sufficient to annually land apply agricultural source material at a rate that is more than 0.5, but not more than 1.0 nutrient unit per acre of the farm units.
ASM storage below grade in a permanent nutrient storage facility.
WHPA-A, WHPA-B with a scores of 10
Significant
The storage of agricultural source material.
ASM - Storage
The weight or volume of manure stored annually on a farm unit is sufficient to annually land apply agricultural source material at a rate that is more than 0.5, but not more than 1.0 nutrient unit per acre of the farm units.
ASM storage at or above grade on a temporary field nutrient storage site.
IPZ-1 with a scores of 10
Significant
The management of runoff that contains chemicals used in the de-icing of aircraft.
Aircrafts - De-icing Runoff
The runoff originates at a regional airport.
De-icing materials runoff discharge to land or water.
IPZ-1 with a scores of 10
Significant
The management of runoff that contains chemicals used in the de-icing of aircraft.
Aircrafts - De-icing Runoff
The runoff originates at a national airport.
De-icing materials runoff discharge to land or water.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The management of runoff that contains chemicals used in the de-icing of aircraft.
Aircrafts - De-icing Runoff
The runoff originates at a national airport.
De-icing materials runoff discharge to land or water.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The application of agricultural source material to land.
Application of Agricultural Source Material (ASM) to Land
where the managed land is > 80% and the livestock density is < 0.5 NU/acre.
ASM is applied to land
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The application of agricultural source material to land.
Application of Agricultural Source Material (ASM) to Land
where the managed land is 40 - 80% and the livestock density is > 1 NU/acre.
ASM is applied to land
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The application of agricultural source material to land.
Application of Agricultural Source Material (ASM) to Land
where the managed land is < 40% and the livestock density is > 1 NU/acre.
ASM is applied to land
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The application of agricultural source material to land.
Application of Agricultural Source Material (ASM) to Land
where the managed land is > 80% and the livestock density is > 1 NU/acre.
ASM is applied to land
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The storage of agricultural source material.
ASM - Storage
The weight or volume of manure stored annually on a farm unit is sufficient to annually land apply agricultural source material at a rate that is more than 1.0 nutrient unit per acre of the farm units.
ASM storage at or above grade in a permanent nutrient storage facility
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The storage of agricultural source material.
ASM - Storage
The weight or volume of manure stored annually on a farm unit is sufficient to annually land apply agricultural source material at a rate that is more than 1.0 nutrient unit per acre of the farm units.
ASM storage at or above grade on a temporary field nutrient storage site.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The storage of agricultural source material.
ASM - Storage
The weight or volume of manure stored annually on a farm unit is sufficient to annually land apply agricultural source material at a rate that is more than 1.0 nutrient unit per acre of the farm units.
ASM storage below grade in a permanent nutrient storage facility.
WHPA-A, WHPA-B with a scores of 10
Significant
The storage of agricultural source material.
ASM - Storage
The weight or volume of manure stored annually on a farm unit is sufficient to annually land apply agricultural source material at a rate that is more than 0.5, but not more than 1.0 nutrient unit per acre of the farm units.
ASM storage at or above grade in a permanent nutrient storage facility
IPZ-1 with a scores of 10
Significant
The storage of agricultural source material.
ASM - Storage
The weight or volume of manure stored annually on a farm unit is sufficient to annually land apply agricultural source material at a rate that is more than 1.0 nutrient unit per acre of the farm units.
ASM storage partially below grade in a permanent nutrient storage facility.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The use of land as livestock grazing or pasturing land, an outdoor confinement area or a farm-animal yard. O. Reg. 385/08, s. 3.
ASM Generation - Livestock Grazing
The number of nutrient units generated in the farm unit divided by the number of acres of land that is used for livestock grazing or pasturing land is sufficient to generate nutrients at an annual rate that is 0.5-1.0 nutrient unit/acre.
The use of land as livestock grazing or pasturing land.
IPZ-1 with a scores of 10
Significant
The use of land as livestock grazing or pasturing land, an outdoor confinement area or a farm-animal yard. O. Reg. 385/08, s. 3.
ASM Generation - Livestock Grazing
The number of nutrient units generated in the farm unit divided by the number of acres of land that is used for livestock grazing or pasturing land is sufficient to generate nutrients at an annual rate that is > 1.0 nutrient units/acre.
The use of land as livestock grazing or pasturing land.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The handling and storage of fuel.
Fuel - Handling and Storage
Fuel stored or handled in a quantity that is >2,500 litres.
Liquid fuel storage in a tank entirely below grade at a facility as defined in section 1 of O. Reg. 213/01, a facility as defined in section 1 of O. Reg. 217/01, or a facility that manufactures or refines fuel.
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
LIW Injection into a well
The combined rate of discharge of all wells located at the site is > 38,000,000 m3/year.
LIW discharge into a geological formation by means of a well.
WHPA-B, WHPA-C with a scores of 8
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
LIW Injection into a well
The combined rate of discharge of all wells located at the site is > 38,000,000 m3/year.
LIW discharge into a geological formation by means of a well.
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
PCB Waste Storage
The PCB waste is stored at a PCB waste disposal site or was delivered to a site under written instructions of a Director.
PCB waste storage in tanks below grade.
WHPA-A, WHPA-B with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
POW - Application
where the managed land is > 80% and the livestock density is > 1 NU/acre.
POW application to land that may result in a release to groundwater or surface water.
WHPA-A, WHPA-B, IPZ-1 with a scores of 10
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
POW - Application
where the managed land is 40 - 80% and the livestock density is > 1 NU/acre.
POW application to land that may result in a release to groundwater or surface water.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act.
POW - Application
where the managed land is > 80% and the livestock density is > 1 NU/acre.
POW application to land that may result in a release to groundwater or surface water.
WHPA-E, IPZ-1, IPZ-2, IPZ-3 with a scores of 9
Significant
The establishment, operation or maintenance of a system that collects, stores, transmits, treats or disposes of sewage.
WWTF and Associated Parts
WWTF discharges treated sanitary sewage at an average daily rate that is more than 2,500 but not more than 17,500 m3/year.
A sewage lagoon that may discharge sewage to groundwater
WHPA-A, WHPA-B with a scores of 10
Significant