Home Page - TI.Public

Glossary

Part XII - Tables of Drinking Water Threats

Part XII.1 Glossary

1. Where this document uses a word or expression that is defined in the Clean Water Act, 2006, a regulation made under that act, or the Technical Rules it has the same meaning as in the Act, regulation or the Rules.

2. In this document, the following words and expressions have the same meaning as in Ontario Regulation 347 (General – Waste Management), R.R.O. 1990, made under the Environmental Protection Act:

a. "hauled sewage", where the phrase is used in relation to the application of hauled sewage to land;

b. "hazardous waste";

c. "liquid industrial waste";

d. "municipal waste";

e. "petroleum refining waste";

f. “waste generation facility”;

g. “landfilling”;

h. “subject waste”; and

i. “processed organic waste”.

3. In this document, the following words and expressions have the same meaning as in section 1 of O. Reg. 525/98 (Approval Exemptions) made under the Ontario Water Resources Act:

a. "combined sewer";

b. "sanitary sewer";

c. "storm water management facility";

d. “storm water”;

e. “storm sewer”;

f. “sewer”; and

g. “appurtenance”.

4. In this document, the following words and expressions have the same meaning as in section 1 of O. Reg. 129/04 (Licensing of Sewage Works Operators) made under the Ontario Water Resources Act:

a. "wastewater collection facility"; and

b. "wastewater treatment facility".

5. In this document, the following words and expressions have the same meaning as in O. Reg. 350/06 (Building Code) made under the Building Code Act, 1992:

a. "earth pit privy";

b. "greywater";

c. "hauled sewage", where the phrase is used in relation to a system requiring or using a holding tank;

d. "hauled sewage system";

e. "holding tank";

f. " leaching bed";

g. "privy vault";

h. "treatment unit"; and

i. “cesspool”.

6. In this document, the following words and expressions have the same meaning as in section 2 of the Nutrient Management Act, 2002:

a. "agricultural operation";

b. "farm animal";

7. In this document, the following words and expressions have the same meaning as in section 1 of O. Reg. 267/03 (General) made under the Nutrient Management Act, 2002:

a. "permanent nutrient storage facility";

b. "runoff", where used in relation to agricultural source material, fertilizer or non‐agricultural source material; and

c. "temporary field nutrient storage site".

d. “Category 2 non‐agricultural source materials” or “Category 2 NASM”;

e. “Category 3 non‐agricultural source materials” or “Category 3 NASM”;

f. “sewage biosolids”;

g. “non‐agricultural source materials” or “NASM”; and

h. “Category 1 non‐agricultural source materials” or “Category 1 NASM”, e.g. “non‐farm herbivorous animal”.

8. The following words and expressions are defined as follows for the purpose of this document:

"aquaculture facility’ means a facility that primarily engages in farm‐raising cultured fish;

"BTEX" means benzene, toluene, ethylbenzene and xylene;

“Category B compost” means compost that meets the requirements for Category B compost in Part II of the Ontario Compost Quality Standards;

“Combined Sewer Overflow (CSO)” means a discharge of untreated sewage to the land or surface water;

“Default percentage of impervious surface area" means the percentage of total impervious surface area that shall be used in identifying if the application of road salt is a low, moderate or significant drinking water threat in an IPZ or WHPA or HVA;

"DNAPL" means a dense non‐aqueous phase liquid;

"discharge", when used as a verb, includes add, deposit, leak or emit and, when used as a noun, includes addition, deposit, emission or leak;

“forcemain or rising main” means a “sanitary sewer”, which conveys sewage under pressure from a pump or pneumatic ejector to a point where the system is either combined with other parts of the “wastewater collection facility” or discharged to a “wastewater treatment facility”;

“final effluent outfall” means the approved discharge point of a sewage treatment plant effluent, including final effluent from a sewage lagoon, to surface water, and includes any discharges of sewage as a result of any by‐passes that occur in the sewage treatment plant processes upstream of the final effluent sampling points;

"grade" means the average level of the soil surface in the area surrounding the facility or structure;

“gravity sanitary sewer” means a “sanitary sewer”, which relies on gravity to convey sewage to other parts of the “wastewater collection facility” or discharge sewage to a “wastewater treatment facility”;

"handling" means using, moving, loading and unloading of chemical(s) on a site that could result in the release of the chemical(s) into the groundwater or surface water, and includes handling areas, as well as any pipes, fittings, valves, controls, and pumps connected to the storage;

“liquid hydrocarbon” is liquid at the temperature and pressure under which its volume is measured or estimated, and consists of a compound or mixture of compounds of hydrogen and carbon, such as any of those which constitute the chief components of crude oil, liquid petroleum products, condensates and pentanes plus;

"livestock density map" means a map contained in the most recent assessment report for the applicable source protection area and prepared in accordance with sub‐rule 16 (10);

"managed land map" means a map contained in the most recent assessment report for the applicable source protection area and prepared in accordance with sub‐rule 16 (9) of the Technical Rules;

"managed land percentage" means the percentage of managed land for the area as set out on the managed land map;

“manhole” means an access point to a sewer from the surface to allow a person to enter the sewer for inspection, survey or maintenance;

"meat plant" has the same meaning as in section 1 of O. Reg. 31/05 (Meat)made under the Food Safety Quality Act, 2001;

"National airport" means an airport that serves the national capital region or the Greater Toronto Area, or an airport with annual passenger traffic of 200,000 persons or more;

"non‐agricultural managed land" means managed land that is not agricultural managed lands including lawns, sport fields and golf courses;

"NPRI Notice" means the notice published in Volume 142, No. 7 of the Canada Gazette dated February 16, 2008 pursuant to subsection 46(1) of the Canadian Environmental Protection Act, 1999 (Canada);

“outfall” means the discharge point of a structure designed and built to direct storm water, snow meltwater, sanitary sewage, sewage treatment plant final effluent or overflow, industrial sewage and cooling water into surface water for dispersion and dilution;

“partially separated sanitary sewer” means a “sanitary sewer in which either only a portion of an original “Combined Sewer” was retrofitted to “separated sanitary sewers”, or in which a new development area served by separate sanitary sewers was added to an area served by a Combined Sewer;

"pathogen" means a microscopic organism capable of producing infection or infectious disease in humans;

"PCB waste" has the same meaning as in Regulation 362 (Waste Management– PCB’s), R.R.O. 1990, made under the Environmental Protection Act;

"regional airport" means an airport with an annual passenger traffic that is less than 200,000 persons and that is not a remote airport or a small airport;

"remote airport" means an airport that serves a community where air transportation is the only reliable method of year‐round transportation between the community and other population centres;

"sanitary sewage" means sewage within or from a sanitary sewer;

“sanitary sewer overflow (SSO)” means a discharge of sanitary sewage to the land or surface water from a sanitary sewer at designed locations, other than the final discharge to a wastewater treatment plant or at a combined sewer outfall;

“sanitary sewage pumping station overflow (PSO)”: means a discharge of sanitary sewage overflow to land or surface water from a sanitary sewage pumping station at designed locations, other than the final discharge to a wastewater treatment plant or to a combined sewer;

“separated sanitary sewer” means a sanitary sewer in which there is no contribution from storm water inflow, and all runoff from precipitation and snowmelt is separately collected and conveyed by “storm sewers”;

“sewage pumping station or lift station” means a facility that forms part of a “wastewater collection facility”, including pumps, wet well and equipment used to lift the sewage upward through a sewer forcemain or rising main to higher elevations in order to allow further conveyance by gravity flow;

“sewage treatment plant overflow outfall” means any alternate discharge point of sewage at designed locations other than the approved sewage treatment plant final effluent outfall;

“sewage treatment plant (STP) holding tank” means any tank that is not a sewage treatment plant process tank and has the primary function to store or blend sewage or sludge and is a part of the sewage treatment plant;

“sewage treatment plant (STP) process tank” means any tank that has a specific treatment purpose and is part of the sewage treatment plant (for example sedimentation tanks, aeration tanks;

"small airport" means an airport that does not have regular scheduled service to other airports and is not a remote airport;

“snow disposal facility” means a snow meltwater management facility as part of a sewage work that requires approval under section 53 of the Ontario Water Resources Act (OWRA, 1990), or a facility in lieu of requiring an approval is regulated by an Environmental Activity and Sector Registry (EASR);

"spill" has the same meaning as in subsection 91(1) of the Environmental Protection Act;

“stationary means of containment for hauled sewage” means a means for storing hauled sewage on‐site temporarily, including a tank or lagoon, that is designed not to discharge the hauled sewage into the natural environment and that may be governed by an environmental compliance approval in respect of a waste management system or a waste disposal site;

"storage", as it relates to DNAPLs, pesticides, fuel, commercial fertilizers, organic solvents and road salt, includes the "handling" of the chemical(s) taking place on the same site as the storage;

“storage of snow” means a snow disposal facility, or any other area where the predominant land use is commercial or industrial that is designed or used for the retention and control of snow for further discharging or infiltrating the meltwater to ground, land, surface water or sewage work;

“storm water drainage system” means a system designed for the collection and transmission of "storm water” or snow meltwater from a “snow disposal facility”, including a “storm sewer”, a ditch or a swale;

“storm water drainage system outfall” means the discharge point to a surface water body from a storm water drainage system; e.g. storm sewer pipe outfall.

“storm water management facility outfall” means the discharge point at which “storm water” is discharged to a surface water body from a “storm water management facility”, including where storm water is discharged from a spillway, a perforated riser, or a weir; e.g. storm water retention pond outfall.

“storm water infiltration facility” means a “storm water management facility” that is designed to exfiltrate or infiltrate part or all of the “storm water” into the ground to reduce runoff, including a greenway terrace, a soak way, an infiltration trench, an infiltration chamber, a bioretention structure, a vegetated filter strip, a permeable pavement, a grass swale, a dry swale, a perforated pipe system or pervious pipe, a pervious catch basin, an infiltration basin, an infiltration gallery;

"system" includes part of a system;

"Technical Rules" means the Ministry of the Environment document titled "Technical Rules: Assessment Report" as amended from time to time and made under section 107 of the Clean Water Act, 2006.

"total impervious surface area map" means a map contained in the most recent assessment report for the applicable source protection area and prepared in accordance with sub‐rule 16 (11).

“transmit” has the same meaning as in Section 1 of Ontario Regulation 210/01;

“wet well” means an underground pit as part of a sewage pumping station or lift station, where sanitary sewage is stored in until it is pumped out of the station;

9. In this document, the following List 1 is applicable to the circumstances related to the prescribed threat “handling and storage of DNAPLs”:

Adhesives and resins manufacturing and processing

Airstrips and hangars operations

Asphalt and bitumen manufacturing

Boat manufacturing

Coal gasification and coal tar manufacturing and processing

Commercial autobody shops (including automotive and other motor vehicles)

Commercial port activities, including operation and maintenance of wharves and docks

Cosmetics manufacturing and processing

Dye manufacturing and processing

Electroplating

Electronic, computer, photographic and printing equipment manufacturing

Garages and maintenance and repair of railcars, marine vehicles and aviation vehicles

Glass manufacturing and production

Iron and steel manufacturing and production

Metal fabrication

Metal treatment, coating, plating and finishing

Operation of dry‐cleaning equipment (where chemicals are used)

Paints manufacturing and processing

Pesticides (including herbicides, fungicides and anti‐fouling agents) manufacturing and processing

Pharmaceutical manufacturing and processing Plastics (including fibreglass) manufacturing and processing