Parameter Viewer

Document ID ca-on-padwtm-2026-01-06 Title Protocol of accepted drinking water testing methods URL https://www.ontario.ca/page/accepted-drinking-water-testing-methods Jurisdiction /ca/on Subdomain(s) none Language Status completed Analyzed at 2026-05-12 04:10:50.873267+00:00 Relevance inventory_targeted_fetch

Q Qualitative Requirements (92)

Req ID Category Intent Legal Status Name Subdomain(s) Context Conditions Confidence
#Q001administrativeoperationalmandatoryLicensed Laboratories Requirementdrinking waterUnder the Safe Drinking Water Act, 2002 (SDWA), only licensed laboratories located in Ontario and eligible out-of-province laboratories are allowed to conduct tests on samples of drinking water.high
#Q002administrativeoperationalmandatoryAnalytical Methods Licensingdrinking waterAnalytical methods must also be licensed so that they produce quality results that can be compared against regulatory standards.high
#Q003administrativeoperationalmandatoryISO/IEC 17025 Accreditationdrinking waterAs a prerequisite for licensing, laboratories and their testing methods must be accredited to the current International Organization for Standardization/International Electrotechnical Commission (ISO/IEC)17025 international standard General Requirements for the Competence of Testing and Calibration Laboratories.Prerequisite for licensinghigh
#Q004operationaloperationalmandatoryMethod Validation Documentationdrinking waterLaboratory licensing requires that the laboratory properly document and validate its testing methods and that the laboratory demonstrate competence to perform the methods it employs.high
#Q005operationaloperationalrecommendedUse of Recent Reference Method Revisionsdrinking waterIn general, laboratories should use the most recent revision of the relevant reference method.high
#Q006administrativereportingmandatoryInclusion of Supporting Validation Datadrinking waterLaboratories applying for licensing are required to include supporting validation data relating to the analyte’s specific performance requirements.When applying for licensinghigh
#Q007operationaloperationalmandatoryFit for Purpose Assessmentdrinking waterThe laboratory must have assessed and deemed the method validation as being “fit for the purpose.”high
#Q008administrativeoperationalmandatoryControlled Document Approvaldrinking waterThe method must be reviewed, approved for adequacy and issued by laboratory as a controlled document.high
#Q009administrativereportingmandatoryScope of Accreditation Parametersdrinking waterAll parameters in the licence application, except for calculated parameters, must be accredited and listed on the laboratory’s current scope of accreditation issued by its accreditation body.Excludes calculated parametershigh
#Q010administrativereportingmandatoryAnalytical Method Copy Submissiondrinking waterThe laboratory must include a copy of its authorized analytical method with the application.high
#Q011operationalreportingmandatoryMethodology Instrumentation Documentationdrinking waterThe methodology must clearly document the instrumentation involved in the test’s analysis, sample preparation, and the analytical procedures.high
#Q012operationaloperationalmandatoryNo Delays in Processingdrinking waterThe method or supporting procedures must ensure that there are no delays in the immediate processing and reporting of results as required by regulations.high
#Q013prohibitionoperationalmandatoryProhibition of Delayed Microbiology Incubationdrinking waterMicrobiology tests must not include delayed or extended overnight refrigerated incubation.Applies to microbiology testshigh
#Q014reportingreportingmandatoryDocumentation of Method Deviationsdrinking waterThe laboratory must document deviations from the reference methods in its method.high
#Q015operationaloperationalrecommendedMicrobiology Incubation Time Adherencedrinking waterA microbiology test should not deviate from the full incubation time specified in the reference method.Applies to microbiology testshigh
#Q016operationaloperationalrecommendedWorking Range Concentrationdrinking waterThe method’s working range should encompass the relevant concentration required by the Ontario Drinking Water Quality Standards (ODWQS).high
#Q017operationaloperationalmandatoryInterferences Mitigationdrinking waterWhere possible, the method must use proper techniques to assess and mitigate known interferences with the parameter.Where possiblehigh
#Q018operationaloperationalmandatoryCalibration Standards Frequencydrinking waterThe laboratory must prepare calibration standards as frequently as, or more frequently than, prescribed by the reference method.high
#Q019operationaloperationalmandatoryMicrobiology Daily Positive Controldrinking waterFor microbiology methods, a suitable daily positive control must be included.Applies to microbiology methodshigh
#Q020administrativereportingmandatorySample Volume Documentationdrinking waterThe volume of the sample required for analysis (test volume) must be properly documented in the method and must be suitable for drinking water analysis.high
#Q021administrativereportingmandatoryProficiency Testing Results Submissiondrinking waterThe applicant must demonstrate satisfactory proficiency testing by submitting the most recent set of results as part of the application.high
#Q022operationaloperationalmandatoryMDL Comparison Against RDLdrinking waterThe laboratory must demonstrate that the method detection limit (MDL) meets or is less than the ministry’s required reporting detection limit (RDL).high
#Q023operationaloperationalmandatoryMDL Matrix Effects Validationdrinking waterThe laboratory must validate the MDL and determine any impact of the matrix effects from drinking water and any preservatives.high
#Q024operationaloperationalrecommendedMDL Calculation Proceduredrinking waterThe laboratory should calculate the MDL in accordance with the laboratory’s policies and at a minimum it should follow the criteria in AWWA Method 1020B “Quality Control”.high
#Q025reportingreportingmandatoryData Reporting Defensible Significant Figuresdrinking waterThe laboratory’s test results reported must: be expressed in defensible significant figures be expressed by 2 to 3 significant figures for the expression of chemical data include 1 additional digit more than the ODWQS concentration where possible.high
#Q026reportingreportingmandatoryOvergrown Microbiology Definition Reportingdrinking waterThe method must include a definition for overgrown “over-crowding, confluent or non-identifiable microbial growth” results so that overgrown results are reported as adverse test results where a standard exists.high
#Q027administrativereportingmandatoryAccuracy and Precision Validation Submissiondrinking waterIf accuracy and precision validation data are not fully documented in the reference method, then the laboratory must submit a summary of this validation with its licence application.If accuracy and precision validation data are not fully documented in the reference methodhigh
#Q028administrativereportingmandatoryMethod Modifications Identificationdrinking waterIn its licence application, the laboratory must identify the method as a modification of a reference method and the modifications must be detailed in the method.high
#Q029operationaloperationalmandatoryConsistency with Reference Quality Controldrinking waterModifications must remain consistent with the quality control (QC) procedures and any other aspects critical for drinking water analysis as specified in the reference method.high
#Q030prohibitionoperationalmandatoryProhibition of Microbiology Incubation Time Modificationdrinking waterFor microbiology tests, the incubation time may not be modified.Applies to microbiology testshigh
#Q031operationaloperationalmandatoryMicrobiology Media Formulation Modification Demonstrationdrinking waterFor all other microbiology modifications including media formulation modifications, the method developer must demonstrate that the modification produces consistent or superior data to the reference method.high
#Q032operationaloperationalmandatoryAnalytical Technique Confirmation of Identitydrinking waterThe analytical technique must establish confirmation of identity. The laboratory must demonstrate that the response produced by the method is attributable to the analyte of interest.high
#Q033operationaloperationalmandatoryCalibration Linearity Validation Requirementdrinking waterThe laboratory must provide validation of the calibration linearity that supports the method’s working range.high
#Q034operationaloperationalmandatoryEstablishing Lowest and Highest Reported Resultdrinking waterThe lowest and highest result that can be reported must be established by analyzing suitable standards.high
#Q035operationaloperationalmandatoryWorking Linearity Minimum Concentrationsdrinking waterTo establish working linearity the laboratory must prepare, in triplicate, a minimum of 5 concentrations between upper and lower limit of the working range and analyze them.high
#Q036operationaloperationalmandatoryLinear Range Value Distributiondrinking waterFor linear ranges, negative and positive values must be approximately equally distributed.For linear rangeshigh
#Q037operationaloperationalmandatoryPerformance Alignment With Reference Methoddrinking waterThe performance of laboratory methods, including, bias, precision and recovery, must align with the performance of one of the accepted reference methods for the target analyte.high
#Q038operationaloperationalmandatoryInter and Intra Analyst Precision Evaluationdrinking waterAt a minimum, inter and intra analyst precision must be evaluated.high
#Q039operationaloperationalmandatoryExtract Holding Time Validation Studydrinking waterIf the chemistry of an extract is different from an accepted reference method or ministry sample collection and holding time requirements, then the laboratory must prepare an extract holding time validation study.If the chemistry of an extract is different from an accepted reference method or ministry sample collection and holding time requirementshigh
#Q040operationaloperationalmandatoryHold Time Validation Replicatesdrinking waterThe hold time validation must include sufficient replicates and monitoring frequency of the analyte to confirm that the analyte is stable throughout the hold time.high
#Q041administrativereportingmandatoryFree Cyanide License Requirementdrinking waterIn order to provide test results for the purpose of the SDWA the laboratory must be licensed for free cyanide.high
#Q042reportingreportingmandatoryIdentification of TEF Sourcedrinking waterLaboratories must identify the source of the TEFs used for their calculations.high
#Q043operationaloperationalmandatoryImpact Determination of Method Changesdrinking waterIn cases where a laboratory is planning method changes after a method has been licensed, it must determine the impact of such changes.When planning method changes after licensinghigh
#Q044operationaloperationalmandatoryNew Method Validation for Impactful Changesdrinking waterWhere the changes are found to affect the original validation, the laboratory must perform a new method validation.Where changes affect the original validationhigh
#Q045administrativeoperationalmandatoryAmendment Approval Prior to Implementationdrinking waterIt must receive a licence amendment application approval from the ministry prior to implementing the modified method.high
#Q046administrativereportingmandatoryMethod Revision Documentationdrinking waterAll revisions must be documented in the method and must be done in accordance with the terms and conditions in the laboratory’s drinking water testing licence.high
#Q047corrective_actionreportingmandatorySpill Notification and RemediationotherThe Environmental Protection Act requires a person who spills a pollutant to notify the ministry and to clean up following the spill.Upon occurrence of a spillhigh
#Q048operationaloperationalmandatoryIndustrial Plant Discharge Limit Compliancewastewater, aquatic lifeIndustrial plants may be penalized for surpassing the maximum or minimum discharge level as identified in an environmental approval, order or regulation.high
#Q049prohibitionoperationalmandatoryIndustrial Plant Acute Toxicity Prohibitionaquatic lifeIndustrial plants may be penalized for acute toxicity — when a sample proves to be lethal for a benchmark species such as, rainbow trout or water flea.high
#Q050prohibitionoperationalmandatoryIndustrial Plant Unlawful Discharge Prohibitionwastewater, aquatic lifeIndustrial plants may be penalized for the discharge of a pollutant to land or water that causes or may cause an adverse effect or impairs the quality of any waters.high
#Q051operationaloperationalmandatoryLandfilling Site Authorized OperationotherLandfilling sites (open and closed), may be penalized for the operation or alteration of a landfilling site or the use of equipment or facilities not authorized by the landfilling site’s environmental compliance approval.high
#Q052prohibitionoperationalmandatoryLandfilling Site Odour and Discharge ProhibitionotherLandfilling sites (open and closed), may be penalized for the discharge of a pollutant to the natural environment, including odour, that causes or may cause an adverse effect.high
#Q053reportingreportingmandatoryAnnual Penalty ReportingotherOntario is required to release a report annually outlining every environmental penalty issued in the previous calendar year.high
#Q054administrativereportingmandatoryFive-Year Program ReviewotherAn environmental penalty review is required once every five years in accordance with the Environmental Protection Act.high
#Q055operationaloperationalmandatoryPPCP Characterization RequirementwastewaterTo address the impact of CSOs the components of the PPCP shall include: characterization of the combined sewer system (CSS);As part of the Pollution Prevention and Control Plan (PPCP)high
#Q056administrativereportingmandatoryCSS Record KeepingwastewaterRecords shall be kept for combined sewer systems including the following: location and physical description of CSO outfalls in the collection system, emergency overflows at pumping stations, and bypass locations at STPs; location and identification of receiving water bodies for all combined sewer outfalls; combined sewer system flow and STP treatment capacities; present and future expected peak flow rates during dry weather and wet weather; capacity of all regulators; and location of cross-connections.high
#Q057operationaloperationalmandatoryOperational Procedures DevelopmentwastewaterOperational procedures shall be developed for combined sewer systems including the following: combined sewer maintenance programs; and, regulator inspection and maintenance programs.high
#Q058prohibitionhealthmandatoryDry Weather CSO Eliminationwastewater, aquatic lifeEliminate CSOs during dry-weather periods except under emergency conditions.Except under emergency conditions (e.g. basement flooding, damage to equipment)high
#Q059treatmenthealthmandatoryEffluent Disinfection Requirementrecreational waterEffiuent disinfection is required where the effluent affects swimming and bathing beaches and other areas where there are public health concerns.Where effluent affects swimming/bathing beaches or public health concerns identified by Medical Officer of Healthhigh
#Q060treatmenthealthmandatoryEffluent Dechlorination Requirementaquatic lifeIn cases where chlorination is used as the disinfection process, subsequent dechlorination of the sewage works effluents shall be used to minimize the adverse effects of chlorine residuals on public health and the aquatic environment where necessary.Where chlorination is used and dechlorination is necessary to minimize adverse effectshigh
#Q061monitoringreportingmandatoryMonitoring Responsibility AllocationwastewaterThe responsibility for providing monitoring shall rest with the municipality or operating authority of the combined sewer system.high
#Q062prohibitionoperationalmandatoryNew Storm Connection ProhibitionwastewaterNew storm drainage systems shall not be pennitted to connect to existing combined systems if that increases the gross area serviced by the combined sewer system except where evaluations indicate that circumstances allow no other practical alternative.Except where evaluations indicate no other practical alternativehigh
#Q063operationaloperationalmandatoryPollution Prevention Program ImplementationwastewaterEstablish and implement Pollution Prevention programs that focus on pollutant reduction activities at source e.g. reduced use of potential pollutants like fertilizer and pesticides in parks; public education programs on e.g. anti-littering and illegal dumping of used motor oil and other materials into catchbasins; water conservation to reduce dry weather sanitary flow and hence CSOs; street cleaning to reduce CSO floatables; roof-leader disconnection and installing rain barrels to reduce flows into the sewer system; education/assistance for industries to minimize the use/discharge of pollutants; and enforcement of municipal by-laws or regulations.As part of minimum CSO controlshigh
#Q064operationaloperationalmandatoryCSS Operation and Maintenance ProgramswastewaterEstablish and implement proper operation and regular inspection and maintenance programs for the combined sewer system in order to ensure continued proper system operation.As part of minimum CSO controlshigh
#Q065operationalaestheticmandatoryFloatables Control ProgramwastewaterEstablish and implement a floatables control program to control coarse solids and floatable materials e.g. by reducing the amount of street litter that enters the catchbasins and the CSS; by removing debris from CSOs at the outfalls using measures such as trash racks and screens; and by removing floatables from the surface of the receiving water after a CSO occurs.As part of minimum CSO controlshigh
#Q066operationaloperationalmandatoryMaximize Collection System StoragewastewaterMaximize the use ofthe collection system for the storage of wet weather flows which are conveyed to the Sewage Treatment Plant for treatment when capacity is available e.g. by adjusting regulator settings.As part of minimum CSO controlshigh
#Q067operationaltreatmentmandatoryMaximize STP Wet Weather FlowwastewaterMaximize the flow to the Sewage Treatment Plant for the treatment of wet weather flows e.g. by removing obstructions to flow.Secondary treatment capacity should be utilized as much as possiblehigh
#Q068treatmenttreatmentmandatoryVolumetric Capture and Treatment RequirementwastewaterDuring a seven-month period commencing within 15 days of April 1, capture and treat for an average year all the dry weather flow plus 90% of the volume resulting from wet weather flow that is above the dry weather flow.Applies to flows immediately above each overflow location unless system-wide achievement is shownhigh
#Q069treatmenthealthrecommendedSTP Bypass Disinfectionrecreational waterAll bypasses at the Sewage Treatment Plant should be subjected to the disinfection process where available in order to reduce the bacterial loadings at discharge.Where disinfection process is availablehigh
#Q070prohibitionoperationalmandatoryCurtailment of Sanitary ServicingwastewaterWhen and where significant combined sewer system deficiencies exist, the Regional Office of the Ministry shall require that the provision of sanitary servicing for additional development tributary to the deficient system be curtailed to prevent aggravation of the problem until the necessary upgrading, as outlined by a Pollution Prevention and Control Plan is carried out in keeping with the requirements of this Procedure.Where significant CSS deficiencies exist; applies to significant development not one lot infillhigh
#Q071operationaltreatmentrecommendedSTP Treatment Process OptimizationwastewaterThe treatment processes of the sewage treatment plants should be optimized to minimize the pollutant loadings under wet weather conditions.Under wet weather conditionshigh
#Q072operationaloperationalrecommendedPPCP STP Wet Weather Operation EvaluationwastewaterThe Pollution Prevention and Control Planning study should evaluate the operation of the Sewage Treatment Plant under wet weather conditions in consultation with Ministry Regional staff.During PPCP development; requires consultation with Ministry Regional staffhigh
#Q073monitoringreportingrecommendedWastewater and Overflow Monitoring ImplementationwastewaterMonitoring of wastewater flows and overflows should be undertaken at locations within the sewer system for the purposes of assessing upgrading requirements and determining compliance with Ministry requirements.At locations within the sewer systemhigh
#Q074operationaloperationalmandatoryExamination of CSO Control AlternativeswastewaterTo address the impact of CSOs the components of the PPCP shall include: an examination of non-structural and structural CSO control alternatives that may include: source control; inflow/infiltration reduction; operation and maintenance improvements; control structure improvements; collection system improvements; storage technologies; treatment technologies; sewer separation.As a mandatory component of the Pollution Prevention and Control Plan (PPCP)high
#Q075prohibitionoperationalmandatoryDischarge ProhibitionwastewaterThe owner and operator of a FSE shall not discharge into a municipal sanitary, storm, or combined sewer any waste or matter that contravenes Chapter 681 - Sewers.high
#Q076reportingreportingmandatorySpill Reporting RequirementotherAny spill must be reported immediately to the City via 311, Toronto's 24-hour hotline.high
#Q077operationaloperationalmandatorySpill Response TrainingotherEnsure that all employees know the location of spill response material and equipment and are trained in its use.high
#Q078administrativereportingmandatoryRecord Keeping and RetentionwastewaterThe owner/operator of a FSE shall keep and maintain accurate and up-to-date records (e.g. service contracts, invoices) on grease, oil and waste oil and grease disposed of offsite. Each of these records shall be retained for a minimum period of seven (7) years.high
#Q079designtreatmentmandatoryGrease Interceptor ConformancewastewaterFor point-of-source installation (which include most grease interceptor types), the owner or operator of a FSE shall use an appropriately sized grease interceptor and one that conforms to CSA Standard B481 Series-12 Grease Interceptors, as per the Ontario Building Code.high
#Q080administrativeoperationalmandatoryBuilding Permit RequirementwastewaterObtain a building permit for the installation of a grease interceptor, gravity grease interceptor, or a grease recovery device.high
#Q081designtreatmentmandatoryMandatory Fixture ConnectionswastewaterThe owner or operator of a FSE shall have the following plumbing fixtures connected to a grease interceptor, grease recovery device, or a gravity grease interceptor: Sinks used for washing pots, pans, dishes, cutlery and kitchen utensils; Drains serving self-cleaning exhaust hoods installed over commercial cooking equipment; Drains serving commercial cooking equipment; Any other fixture that discharges wastewater containing oil and grease.high
#Q082operationaltreatmentmandatoryServicing Frequency (25% Rule)wastewaterExcept otherwise determined by the General Manager, the grease interceptor shall be serviced before the grease and solids, combined, reach 25% of the interceptor's liquid volume or every four weeks, whichever is earlier.Except as authorized in writing for up to 8 weekshigh
#Q083prohibitionoperationalmandatoryGrease Disposal ProhibitionwastewaterOil and grease removed from grease interceptors shall not be discharged into the municipal sanitary or combined sewer, municipal storm sewer, or connection to such a sewer including, without limitation, a catch basin, a drainage ditch or surface water.high
#Q084prohibitionoperationalmandatoryChemical Agents ProhibitionwastewaterThe owner/operator of a FSE shall not use or permit the use of chemical agents, bleach, enzymes, bacteria, solvents, hot water, or other agents to facilitate the passage of FOG through a grease interceptor (including a gravity grease interceptor).high
#Q085operationaloperationalmandatoryMobile Vendor Wastewater StoragewastewaterAll mobile food vendor owners/operators shall: Store wastewater on site in a separate container from the clean (potable) water and have it labelled dirty water and/or wastewater.high
#Q086operationaloperationalmandatorySpill Response Plan PreparationotherThe owner/operator of a FSE shall: Have an up-to-date spill response plan demonstrating it has provided suitable training on its plan to its employees; Post the spill response plan in a location readily accessible by facility staff with a list of names and telephone number of those persons that need to be contacted in the event of a spill; Have an appropriate quantity of clean-up equipment and supplies in stock at all times.high
#Q087administrativereportingmandatoryBusiness LicensingotherAll food service establishments operating in the City of Toronto shall have a business licence issued by the Municipal Licensing and Standards Division.high
#Q088administrativeoperationalmandatoryRecord Transfer RequirementotherIf a FSE changes its owner or operator, the departing owner or operator shall transfer to the incoming owner or operator, as the case may be, all records required to be maintained under this provision or Chapter 681 - Sewers (e.g. inspections, maintenance, waste disposal, etc.).Upon change of owner or operatorhigh
#Q089designoperationalmandatoryGrease Interceptor Flow Direction MarkingwastewaterIn addition to these markings, the inlet and outlet shall be clearly identified to indicate the direction of flow.high
#Q090prohibitionoperationalmandatoryProhibited Fixture ConnectionswastewaterThe owner/operator of a FSE shall not allow the following plumbing fixtures to be connected to a grease interceptor, grease recovery device, or gravity grease interceptor: Toilets, urinals and hand sinks; Food/garbage grinders, potato peelers and similar equipment discharging solids (unless they discharge to a solids interceptor prior to being connected to the grease interceptor, grease recovery device or gravity grease interceptors).high
#Q091operationaloperationalmandatoryWaste Carrier Approval RequirementwastewaterServicing (cleaning) shall be performed by a Ministry of the Environment and Climate Change (MOECC) approved waste carrier.Except where manual cleaning is permitted for low-volume FOG producers with no stove or fryerhigh
#Q092prohibitionoperationalmandatoryStorm Catch Basin Discharge ProhibitionotherThe owner/operator of a FSE shall not permit wastewater entering catch basins from, but not limited to: Inside the facility (e.g. mop water); Outdoor cleaning (e.g. power washing); Leakage from outdoor waste/oil bins; Exhaust system cleaning.high

P Quantitative Requirements (24)

Req ID Category Intent Legal Status Name Subdomain(s) Limit Type Limit Value Context Conditions Confidence
#P001microbiologicalhealthmandatoryTotal coliforms (Membrane filtration)drinking waterMAC0 CFU/100 mLThe ODWQS is 'not detectable'high
#P002microbiologicalhealthmandatoryE. coli (Membrane filtration)drinking waterMAC0 CFU/100 mLThe ODWQS is 'not detectable'high
#P003chemicalhealthmandatory1,1-Dichloroethylene (ODWQS)drinking waterMAC0.014 mg/LVolatile organic compounds (VOCs) standardshigh
#P004chemicalhealthmandatory1,2-Dichlorobenzene (ODWQS)drinking waterMAC0.2 mg/LVolatile organic compounds (VOCs) standardshigh
#P005chemicalhealthmandatoryBenzene (ODWQS)drinking waterMAC0.001 mg/LVolatile organic compounds (VOCs)high
#P006chemicalhealthmandatoryArsenic (As) (ODWQS)drinking waterMAC0.01 mg/LTrace metalshigh
#P007chemicalhealthmandatoryLead (Pb) (ODWQS)drinking waterMAC0.010 mg/LTrace metalshigh
#P008chemicalhealthmandatoryMercury (ODWQS)drinking waterMAC0.001 mg/LMercuryhigh
#P009chemicalhealthmandatoryNitrate (as nitrogen) (ODWQS)drinking waterMAC10.0 mg/LNitrite and nitratehigh
#P010chemicalhealthmandatoryAtrazine + N-dealkylated metabolites (ODWQS)drinking waterMAC0.005 mg/LTriazines (N-containing herbicides)high
#P011chemicalhealthmandatoryPolychlorinated Biphenyls (PCBs) (ODWQS)drinking waterMAC0.003 mg/LSum of at least Arochlor 1254 and 1260high
#P012chemicalhealthmandatoryFluoride (ODWQS)drinking waterMAC1.5 mg/LFluoride limitshigh
#P013chemicalhealthmandatoryCyanide (free) (ODWQS)drinking waterMAC0.2 mg/LBased on the toxicity of free cyanidehigh
#P014chemicalhealthmandatoryHaloacetic Acids (HAA5)drinking waterMAC0.08 mg/LThe ODWQS is expressed as a running annual average of quarterly resultshigh
#P015chemicalreportingmandatorySodium (Ontario Regulation 170/03 reporting limit)drinking waterrequirement20 mg/LSodium is reportable under Schedule 16-3(1) 8 of Ontario Regulation 170/03high
#P016chemicalhealthmandatory1,2-Dichloroethane (ODWQS)drinking waterMAC0.005 mg/LVolatile organic compounds (VOCs) standardshigh
#P017chemicalhealthmandatoryAntimony (Sb) (ODWQS)drinking waterMAC0.006 mg/LTrace metalshigh
#P018chemicalhealthmandatoryNitrite (as nitrogen) (ODWQS)drinking waterMAC1.0 mg/LNitrite and nitratehigh
#P019chemicalhealthmandatoryGlyphosate (ODWQS)drinking waterMAC0.28 mg/LGlyphosate standardshigh
#P020chemicalhealthmandatoryMicrocystin LR (ODWQS)drinking waterMAC0.0015 mg/LMicrocystin LR standardshigh
#P021chemicalhealthmandatoryDioxin and Furan (ODWQS)drinking waterMAC0.000000015 mg/LTotal toxic equivalents when compared with 2,3,7,8-TCDDhigh
#P022chemicalhealthmandatoryN-Nitrosodimethylamine (NDMA) (ODWQS)drinking waterMAC0.000009 mg/LN-Nitrosodimethylamine standardshigh
#P023operationaloperationalmandatoryDaily water taking permit thresholdotherrequirement> 50000 L/dayMECP issues permits to take water for land-based aquaculture facilities that use more than 50,000 L per day.land-based aquaculture facilitieshigh
#P024operationaloperationalmandatoryLand-based aquaculture water taking permit thresholdotherrequirement> 50000 L/dayMECP issues permits to take water for land-based aquaculture facilities that use more than 50,000 L per day.Land-based aquaculture facilitieshigh

D Definitions (56)

Req ID Category Name Context Confidence
#D001Canadian Standards Association (CSA)A private, not-for-profit membership-based Standards Development Organization (SDO) in Canada.high
#D002Catch basinsThe square grates by roadsides and parking lots are called catch basins and these are part of the storm sewer system. Catch basins transmit rainwater and snowmelt to the nearest creek, river or lake without treatment.high
#D003ContaminantA substance that is not naturally present in the environment or is present in elevated amounts, which, if in sufficient concentration, can adversely affect human health, flora, fauna and/or the natural environment.high
#D004EffluentThe liquid flowing out of a facility or household into a sewer system or water body.high
#D005Flow controlA device that is installed upstream from an interceptor and has a permanent orifice that controls the rate of flow through the interceptor.high
#D006Flow ratingThe maximum flow at which a grease interceptor will meet the FOG or sediment retention requirements of the CSA B481 Series.high
#D007FixtureA receptacle, appliance, apparatus or other device that discharges wastewater and includes floor drains.high
#D008FOGNon-soluble organic fats, oils, and greases from animal or vegetable sources.high
#D009Food/garbage grinderA fixture that is a mechanical device (also known as a garburator) used to reduce the particle size of food waste.high
#D010Garbage compactorA mechanical device used to compress garbage to reduce volume.high
#D011GPMGallons (US liquid) per minute. All references to gallons are to US liquid gallons.high
#D012Grease interceptorA device designed and installed to separate and retain oil and grease from wastewater, while permitting wastewater to discharge to sanitary sewer.high
#D013Grease removal device (GRD)A plumbing device that intercepts free-floating fats, oils, and grease from wastewater and discharges automatically without intervention from the user except for maintenance.high
#D014Ontario Building Code (OBC)A code regulated under the Ministry of Municipal Affairs and Housing.high
#D015Sanitary sewerA sewer for the collection and transmission of domestic or industrial sewage or any combination thereof.high
#D016Sewers Bylaw - Toronto's Municipal CodeSewers, Chapter 681, to regulate the quality of wastewater into the natural environment and sewer systems.high
#D017Solids interceptorA plumbing device installed in upstream of a grease interceptor to intercept particles or sediments.high
#D018Spill Response PlanA written plan developed by the owner or operator of a food service establishment to respond to any spills at the facility's site.high
#D019Storm sewerA sewer for the collection and transmission of uncontaminated water, storm water, drainage from land or from a watercourse or any combination thereof.high
#D020WastewaterAny liquid containing animal, vegetable, mineral or chemical matter in solution or in suspension but does not include storm water or uncontaminated water.high
#D021Food Service Establishments (FSEs)These establishments are involved in the preparation, processing, heating, cooking, packaging, shipping, sales or serving of food. Food services can generate a variety of by-products and recoverable wastes in their operations, including substances such as fats, oils and grease.high
#D022Hydro-Mechanical Grease InterceptorAlso known as a grease trap, is a small point of use unit typically installed under the sinks in the kitchen. These devices employ a flow restrictor and are designed to remove over 85% of the incoming FOG. Food solids along with fats, oils, and grease are trapped and stored in these devices.high
#D023Gravity Grease InterceptorLarge in-ground passive interceptors that have long retention time (about 30 minutes instead of 1 minute) to separate and trap the FOG and solids from the waste stream. These interceptors range in size from 300 to 2000 gallons and are constructed of concrete, fiberglass, or steel.high
#D024Environmental Code of Practice (ECP)Environmental Code of Practicehigh
#D025Environmental Protection Act (EPA)Environmental Protection Acthigh
#D026Ministry of the Environment and Climate Change (MOECC)Ministry of the Environment and Climate Changehigh
#D027Standards Development Organization (SDO)Standards Development Organizationhigh
#D028Chapter 681Municipal Code Chapter 681, Sewershigh
#D029Grease Recovery DeviceThis is a hydro-mechanical grease interceptor with the capability of removing the floating grease to an outside vessel. The recovered grease or 'yellow grease' is recycled with the waste vegetable oil from the kitchen deepfryers. This device reduces the pump-out requirement but involves a daily task of removing the strained solids and grease and the up-front cost may also be significantly higher.high
#D030yellow greaseRecovered grease recycled with the waste vegetable oil from the kitchen deepfryers.high
#D031Solids InterceptorA solids interceptor may be used where solids are an issue to prevent overloading of the grease interceptor. Instead of the solids settling at the bottom of the tank, they are separated out for easier access and removal from the interceptor. This can be a stand-alone unit or built into the grease interceptor.high
#D032grease trapA small point of use unit typically installed under the sinks in the kitchen, also known as a Hydro-Mechanical Grease Interceptor. These devices employ a flow restrictor and are designed to remove over 85% of the incoming FOG.high
#D033ECPEnvironmental Code of Practicehigh
#D034EPAEnvironmental Protection Acthigh
#D035MOECCMinistry of the Environment and Climate Changehigh
#D036OPHSOntario Public Health Standardshigh
#D037PDFPortable Document Formathigh
#D038E. coliEscherichia colihigh
#D039ProtocolsProtocols provide direction to boards of health/public health units on how to operationalize specific requirement(s) within the OPHS (PDF). The aim is to have consistent implementation of specific requirements across all boards of health/public health units.high
#D040GuidelinesGuidelines provide direction to boards of health/public health units on how to approach specific requirement(s) within the OPHS (PDF). The aim is to provide a consistent approach in the implementation of requirements across all boards of health/public health units, while also allowing for variability in programs and services based on local contextual factors as defined in the guidelines.high
#D041Reference documentsReference documents are topic-specific documents that provide information and best practices to assist those working in local boards of health/public health units to implement the OPHS, protocols and guidelines. Boards of health/public health units are not required to follow reference documents.high
#D042Appendix 1Case Definitions and Disease Specific Information for diseases of public health significance.high
#D043Large residentialServe 100+ private residences.high
#D044Small residentialServe 6 to 100 private residences.high
#D045Large non-residentialSupply water to designated facilities (e.g., day cares, schools, hospitals) at a rate greater than 2.9 litres per second.high
#D046Small non-residentialSupply water to designated facilities (e.g., day cares, schools, hospitals) at a rate less than 2.9 litres per second.high
#D047DWQMSDrinking Water Quality Management Standardhigh
#D048DWWPdrinking water works permithigh
#D049IITwohigh
#D050sec.sectionhigh
#D051Teltelephonehigh
#D052Vfivehigh
#D053St.sainthigh
#D054Ave.avenuehigh
#D055pHpotential of hydrogenhigh
#D056SACSpills Action Centrehigh