Issue Contributing Area Threats
Parameter
Threat Sub-Category
Quantity Threshold for Significant Threat
Chloride
Industrial Effluent Discharges
Any quantity for IPZs/WHPA-Es and WHPAs
Chloride
Storm Water Management Facilities and Drainage Systems: Outfall from a Storm Water Management Facility or Storm Water Drainage System
Any quantity for IPZs/WHPA-Es and WHPAs
Chloride
Storm Water Management Facilities and Drainage Systems: Storm Water Infiltration Facility
Any quantity for IPZs/WHPA-Es and WHPAs
Chloride
Application of Road Salt
Any quantity for IPZs/WHPA-Es and WHPAs
Chloride
Handling and Storage of Road Salt ‐ Exposed to Precipitation or Runoff
Any quantity for IPZs/WHPA-Es and WHPAs
Chloride
Handling and Storage of Road Salt ‐ Potentially Exposed to Precipitation or Runoff
Any quantity for IPZs/WHPA-Es and WHPAs
Chloride
Handling and Storage of Road Salt – Not Exposed to Precipitation or Runoff
Any quantity for IPZs/WHPA-Es and WHPAs
Chloride
Storage of Snow on a Site
Any quantity for IPZs/WHPA-Es and WHPAs
Nitrogen
Disposal of Hauled Sewage to Land
Any quantity for IPZs/WHPA-Es and WHPAs
Nitrogen
Application of Processed Organic Waste to Land
Any quantity for IPZs/WHPA-Es and WHPAs
Nitrogen
Landfilling (Hazardous Waste or Liquid Industrial Waste)
Any quantity for IPZs/WHPA-Es and WHPAs
Nitrogen
Landfilling (Municipal Waste)
Any quantity for IPZs/WHPA-Es and WHPAs
Nitrogen
Storage of Hauled Sewage
Any quantity for IPZs/WHPA-Es and WHPAs
Nitrogen
Storage of Processed Organic Waste or Waste Biomass
Any quantity for IPZs/WHPA-Es and WHPAs
Nitrogen
Storage, Treatment and Discharge of Tailings From Mines
Any quantity for IPZs/WHPA-Es and WHPAs
Nitrogen
Industrial Effluent Discharges
Any quantity for IPZs/WHPA-Es and WHPAs
Nitrogen
Onsite Sewage Works
Any quantity for IPZs/WHPA-Es and WHPAs
Nitrogen
Storm Water Management Facilities and Drainage Systems: Outfall from a Storm Water Management Facility or Storm Water Drainage System
Any quantity for IPZs/WHPA-Es and WHPAs
Nitrogen
Storm Water Management Facilities and Drainage Systems: Storm Water Infiltration Facility
Any quantity for IPZs/WHPA-Es and WHPAs
Nitrogen
Wastewater Collection Facilities and Associated Parts: Sanitary Sewers
> 250 m3/day for IPZs/WHPA-Es; Any quantity for WHPAs
Nitrogen
Wastewater Collection Facilities and Associated Parts: Outfall of a Combined Sewer Overflow (CSO), or a Sanitary Sewer Overflow (SSO) from a Manhole or Wet Well
Any quantity for IPZs/WHPA-Es; > 250 m3/day for WHPAs
Nitrogen
Wastewater Collection Facilities and Associated Parts: Sewage Pumping Station or Lift Station Wet Well
> 250 m3/day for IPZs/WHPA-Es; Any quantity for WHPAs
Nitrogen
Wastewater Collection Facilities and Associated Parts: a Holding Tank or a Tunnel
> 250 m3/day for IPZs/WHPA-Es; Any quantity for WHPAs
Nitrogen
Wastewater Treatment Facilities and Associated Parts
Any quantity for IPZs/WHPA-Es and WHPAs
Nitrogen
Application of Agricultural Source Material (ASM) to land
Any quantity for IPZs/WHPA-Es and WHPAs
Nitrogen
Storage of Agricultural Source Material (ASM)
Any quantity for IPZs/WHPA-Es and WHPAs
Nitrogen
Application of Non-Agricultural Source Material (NASM) to land
Any quantity for IPZs/WHPA-Es and WHPAs
Nitrogen
Handling and Storage of Non-Agricultural Source Material (NASM)
Any quantity for IPZs/WHPA-Es and WHPAs
Nitrogen
Application of Commercial Fertilizer to Land
Any quantity for IPZs/WHPA-Es and WHPAs
Nitrogen
Handling and Storage of Commercial Fertilizer
Any quantity for IPZs/WHPA-Es and WHPAs
Nitrogen
Agricultural Source Material (ASM) Generation - Livestock Grazing or Pasturing
Any quantity for IPZs/WHPA-Es and WHPAs
Nitrogen
Agricultural Source Material (ASM) Generation - Outdoor Confinement Area (OCA) or Farm Animal Yard
Any quantity for IPZs/WHPA-Es and WHPAs
Phosphorus (total)
Disposal of Hauled Sewage to Land
Any quantity for IPZs/WHPA-Es and WHPAs
Phosphorus (total)
Application of Processed Organic Waste to Land
Any quantity for IPZs/WHPA-Es and WHPAs
Phosphorus (total)
Storage of Hauled Sewage
Any quantity for IPZs/WHPA-Es and WHPAs
Phosphorus (total)
Storage of Processed Organic Waste or Waste Biomass
Any quantity for IPZs/WHPA-Es and WHPAs
Phosphorus (total)
Industrial Effluent Discharges
Any quantity for IPZs/WHPA-Es and WHPAs
Phosphorus (total)
Onsite Sewage Works
Any quantity for IPZs/WHPA-Es and WHPAs
Phosphorus (total)
Storm Water Management Facilities and Drainage Systems: Outfall from a Storm Water Management Facility or Storm Water Drainage System
Any quantity for IPZs/WHPA-Es and WHPAs
Phosphorus (total)
Storm Water Management Facilities and Drainage Systems: Storm Water Infiltration Facility
Any quantity for IPZs/WHPA-Es and WHPAs
Phosphorus (total)
Wastewater Collection Facilities and Associated Parts: Force main or Rising Main
> 250 m3/day for IPZs/WHPA-Es; Any quantity for WHPAs
Phosphorus (total)
Wastewater Collection Facilities and Associated Parts: Gravity Sanitary Sewer
> 250 m3/day for IPZs/WHPA-Es; > 250 m3/day for WHPAs
Phosphorus (total)
Wastewater Collection Facilities and Associated Parts: Outfall of a Combined Sewer Overflow (CSO), or a Sanitary Sewer Overflow (SSO) from a Manhole or Wet Well
Any quantity for IPZs/WHPA-Es; > 1000 m3/day for WHPAs
Phosphorus (total)
Wastewater Collection Facilities and Associated Parts: Sewage Pumping Station or Lift Station Wet Well
> 250 m3/day for IPZs/WHPA-Es; > 250 m3/day for WHPAs
Phosphorus (total)
Wastewater Collection Facilities and Associated Parts: a Holding Tank or a Tunnel
> 250 m3/day for IPZs/WHPA-Es; Any quantity for WHPAs
Phosphorus (total)
Wastewater Treatment Facilities and Associated Parts: final effluent outfall or a sewage treatment plant overflow outfall
Any quantity for IPZs/WHPA-Es; > 500 m3/day on an annual basis for WHPAs
Phosphorus (total)
Wastewater Treatment Facilities and Associated Parts: sewage lagoon that does not discharge to surface water, sewage treatment plant process tank or a sewage treatment plant holding tank
Any quantity for IPZs/WHPA-Es and WHPAs
Phosphorus (total)
Application of Agricultural Source Material (ASM) to land
Any quantity for IPZs/WHPA-Es and WHPAs
Phosphorus (total)
Storage of Agricultural Source Material (ASM)
Any quantity for IPZs/WHPA-Es and WHPAs
Phosphorus (total)
Application of Non-Agricultural Source Material (NASM) to land
Any quantity for IPZs/WHPA-Es and WHPAs
Phosphorus (total)
Handling and Storage of Non-Agricultural Source Material (NASM)
Any quantity for IPZs/WHPA-Es and WHPAs
Phosphorus (total)
Application of Commercial Fertilizer to Land
Any quantity for IPZs/WHPA-Es and WHPAs
Phosphorus (total)
Handling and Storage of Commercial Fertilizer
Any quantity for IPZs/WHPA-Es and WHPAs
Phosphorus (total)
Storage of Snow on a Site
Any quantity for IPZs/WHPA-Es and WHPAs
Phosphorus (total)
Agricultural Source Material (ASM) Generation - Livestock Grazing or Pasturing
Any quantity for IPZs/WHPA-Es and WHPAs
Phosphorus (total)
Agricultural Source Material (ASM) Generation - Outdoor Confinement Area (OCA) or Farm Animal Yard
Any quantity for IPZs/WHPA-Es and WHPAs
Sodium
Storm Water Management Facilities and Drainage Systems: Outfall from a Storm Water Management Facility or Storm Water Drainage System
Any quantity for IPZs/WHPA-Es and WHPAs
Sodium
Storm Water Management Facilities and Drainage Systems: Storm Water Infiltration Facility
Any quantity for IPZs/WHPA-Es and WHPAs
Sodium
Application of Road Salt
Any quantity for IPZs/WHPA-Es and WHPAs
Sodium
Handling and Storage of Road Salt ‐ Exposed to Precipitation or Runoff
Any quantity for IPZs/WHPA-Es and WHPAs
Sodium
Handling and Storage of Road Salt ‐ Potentially Exposed to Precipitation or Runoff
Any quantity for IPZs/WHPA-Es and WHPAs
Sodium
Handling and Storage of Road Salt – Not Exposed to Precipitation or Runoff
Any quantity for IPZs/WHPA-Es and WHPAs
Sodium
Storage of Snow on a Site
Any quantity for IPZs/WHPA-Es and WHPAs
Tetrachloroethylene (PCE)
Industrial Effluent Discharges
Any quantity for IPZs/WHPA-Es and WHPAs
Tetrachloroethylene (PCE)
Handling and Storage of a Dense Non-Aqueous Phase Liquid (DNAPL)
Any quantity for IPZs/WHPA-Es and WHPAs
Trichloroethylene (TCE)
Landfilling (Hazardous Waste or Liquid Industrial Waste)
Any quantity for IPZs/WHPA-Es and WHPAs
Trichloroethylene (TCE)
Landfilling (Municipal Waste)
Any quantity for IPZs/WHPA-Es and WHPAs
Trichloroethylene (TCE)
Liquid Industrial Waste Injection into a well
Any quantity for IPZs/WHPA-Es and WHPAs
Trichloroethylene (TCE)
Storage of Subject Waste at a Waste Generation Facility: site requires generator registration under Section 3 of O. Reg. 347
Any quantity for IPZs/WHPA-Es and WHPAs
Trichloroethylene (TCE)
Industrial Effluent Discharges
Any quantity for IPZs/WHPA-Es and WHPAs
Trichloroethylene (TCE)
Wastewater Collection Facilities and Associated Parts: Outfall of a Combined Sewer Overflow (CSO), or a Sanitary Sewer Overflow (SSO) from a Manhole or Wet Well
Any quantity for IPZs/WHPA-Es; > 1000 m3/day for WHPAs
Trichloroethylene (TCE)
Wastewater Treatment Facilities and Associated Parts
Any quantity for IPZs/WHPA-Es and WHPAs
Trichloroethylene (TCE)
Handling and Storage of a Dense Non-Aqueous Phase Liquid (DNAPL)
Any quantity for IPZs/WHPA-Es and WHPAs
Pathogens: e.g. Escherichia coli (E. coli), total coliform
Disposal of Hauled Sewage to Land
Applicable to all IPZs/WHPA-Es and WHPAs
Pathogens: e.g. Escherichia coli (E. coli), total coliform
Application of Processed Organic Waste (POW) to land
Applicable to all IPZs/WHPA-Es and WHPAs
Pathogens: e.g. Escherichia coli (E. coli), total coliform
Storage of Hauled Sewage
Applicable to all IPZs/WHPA-Es and WHPAs
Pathogens: e.g. Escherichia coli (E. coli), total coliform
Storage of Processed Organic Waste (POW)
Applicable to all IPZs/WHPA-Es and WHPAs
Pathogens: e.g. Escherichia coli (E. coli), total coliform
Industrial Effluent Discharges
Applicable to all IPZs/WHPA-Es and WHPAs
Pathogens: e.g. Escherichia coli (E. coli), total coliform
Onsite Sewage Systems
Applicable to all IPZs/WHPA-Es and WHPAs
Pathogens: e.g. Escherichia coli (E. coli), total coliform
Storm Water Management Facilities and Drainage Systems: Outfall from a Storm Water Management Facility or Storm Water Drainage System
Applicable to all IPZs/WHPA-Es and WHPAs
Pathogens: e.g. Escherichia coli (E. coli), total coliform
Storm Water Management Facilities and Drainage Systems: Storm Water Infiltration Facility
Applicable to all IPZs/WHPA-Es and WHPAs
Pathogens: e.g. Escherichia coli (E. coli), total coliform
Wastewater Collection Facilities and Associated Parts: Sanitary Sewers
Applicable to all IPZs/WHPA-Es and WHPAs
Pathogens: e.g. Escherichia coli (E. coli), total coliform
Wastewater Collection Facilities and Associated Parts: Outfall of a Combined Sewer Overflow (CSO), a Sanitary Sewer Overflow (SSO) or Pumping Station Overflow (PSO)
Applicable to all IPZs/WHPA-Es and WHPAs
Pathogens: e.g. Escherichia coli (E. coli), total coliform
Wastewater Collection Facilities and Associated Parts: Sewage Pumping Station or Lift Station Wet Well, a Holding Tank or a Tunnel
Applicable to all IPZs/WHPA-Es and WHPAs
Pathogens: e.g. Escherichia coli (E. coli), total coliform
Wastewater Treatment Facilities and Associated Parts; final effluent outfall or a sewage treatment plant overflow outfall & sewage treatment plant process tank or a sewage treatment plant holding tank
Applicable to all IPZs/WHPA-Es and WHPAs
Pathogens: e.g. Escherichia coli (E. coli), total coliform
Wastewater Treatment Facilities and Associated Parts; sewage lagoon that does not discharge to surface water
Applicable only for WHPAs
Pathogens: e.g. Escherichia coli (E. coli), total coliform
Application of Agricultural Source Material (ASM) to land
Applicable to all IPZs/WHPA-Es and WHPAs
Pathogens: e.g. Escherichia coli (E. coli), total coliform
Storage of Agricultural Source Material (ASM)
Applicable to all IPZs/WHPA-Es and WHPAs
Pathogens: e.g. Escherichia coli (E. coli), total coliform
Management of Agricultural Source Material -Discharge from Aquaculture
Applicable only for IPZs/WHPA-Es
Pathogens: e.g. Escherichia coli (E. coli), total coliform
Application of Non-Agricultural Source Material (NASM) to land
Applicable to all IPZs/WHPA-Es and WHPAs
Pathogens: e.g. Escherichia coli (E. coli), total coliform
Handling and Storage of Non-Agricultural Source Material (NASM)
Applicable to all IPZs/WHPA-Es and WHPAs
Pathogens: e.g. Escherichia coli (E. coli), total coliform
Agricultural Source Material (ASM) Generation - Livestock Grazing or Pasturing
Applicable to all IPZs/WHPA-Es and WHPAs
Pathogens: e.g. Escherichia coli (E. coli), total coliform
Agricultural Source Material (ASM) Generation - Outdoor Confinement Area (OCA) or Farm Animal Yard
Applicable to all IPZs/WHPA-Es and WHPAs