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Document ID ca-on-dwtrl-2024-06-24 Title Drinking water testing requirements for laboratories URL https://www.ontario.ca/page/drinking-water-testing-requirements-laboratories Jurisdiction /ca/on Subdomain(s) none Language Status completed Analyzed at 2026-05-12 04:14:32.791981+00:00 Relevance inventory_targeted_fetch

49 Qualitative 16 Quantitative 58 Definitions

Q Qualitative Requirements (49)

Req ID	Category	Intent	Legal Status	Name	Subdomain(s)	Context	Conditions	Confidence
#Q001	administrative	reporting	mandatory	Chain of Custody Form Approval	drinking water	Under the Drinking Water Testing Services regulation (Ontario Regulation 248/03), the content of the chain of custody form must be approved by the ministry.		high
#Q002	reporting	reporting	mandatory	Chain of Custody Form Criteria	drinking water	The ministry requires that the forms meet the following criteria and may assess them at the laboratory during an inspection: 1. They must be traceable as to the origin of the sample. 2. They must contain, at minimum, the following fields: identification of the laboratory, including name, address, telephone number Drinking Water System (DWS) name, number, physical address and contact information identification of the regulation that applies to the sample(s) name and signature of person who collected the sample name and signature of person submitting the samples sample type (raw, treated, distribution, plumbing) sample location name date and time the sample was collected chlorine residual (where applicable) requested parameters (i.e., E. coli, metals) person who received the samples at the laboratory — signature, date, time 1. They must have a unique identifier and version number (example: form 1, version 1).		high
#Q003	administrative	operational	mandatory	Client-Generated Chain of Custody Forms	drinking water	If the laboratory agrees to use a client-generated chain of custody form, it must: 1. Review and pre-approve the chain of custody form as being fit for the laboratory’s use for drinking water samples. 2. Retain documentation of having done so.	If the laboratory agrees to use a client-generated chain of custody form	high
#Q004	reporting	reporting	mandatory	Identification of Reporting Exemptions	drinking water	The laboratory client (for example, DWS owner/operator) must identify and document any applicable reporting exemptions for regulated drinking water samples.		high
#Q005	reporting	reporting	recommended	Treatment of Samples as Reportable	drinking water	Laboratories should treat all samples as reportable unless a clear exemption from reporting as set out in the regulations or in an approval or order has been identified and documented.		high
#Q006	administrative	operational	recommended	Review of Chain of Custody Forms	drinking water	Laboratories should review the forms and request missing information.		high
#Q007	reporting	reporting	recommended	Identification of Non-Potable Samples	drinking water	Samples of water that are non-potable should be identified as non-potable or not for consumption on the form.	If samples of water are non-potable	high
#Q008	operational	operational	mandatory	Sample Drop-off Depot Requirements	drinking water	Laboratories must ensure that drinking water samples that have been collected for the purpose of the SDWA and/or HPPA that are left at sample drop-off depots are: traceable to a particular sample drop-off depot accompanied by a chain of custody or submission form protected against degradation and/or chemical or biological changes secured against loss and tampering	When samples are left at sample drop-off depots	high
#Q009	reporting	reporting	mandatory	Undue Delay in Processing and Reporting	drinking water	There must be no undue delay: during the analytical processing of a drinking water sample at a licensed laboratory as outlined in Table 1: Steps to recognize and report adverse test results in reporting the adverse test result to the local medical officer of health, the SAC and the associated DWS owner/operator, as required, once an adverse test result is accepted by qualified staff of a licensed laboratory	Upon acceptance of an adverse test result	high
#Q010	operational	operational	mandatory	Adverse Test Result Authorization Procedure	drinking water	Laboratories must have a written procedure for authorization of an adverse test result for release and this procedure is reviewed during an inspection to evaluate its acceptability.		high
#Q011	corrective_action	operational	mandatory	Corrective Action for Unacceptable Procedure	drinking water	Where a procedure is not acceptable, the ministry will require the laboratory to take corrective action.	Where a procedure is not acceptable	high
#Q012	operational	operational	mandatory	Staff Requirements for Immediate Reporting	drinking water	Laboratory staff analyzing drinking water samples also have requirements tied to immediate reporting of adverse results. They must: adhere to documented training requirements and policies for determining/comparing test results against the Ontario Drinking Water Quality Standards (Ontario Regulator 169/03) and/or limits specifically cited in drinking water legislation develop, document, and adhere to, laboratory policies/procedures relating to the business processes described in Table 1 document and adhere to the same immediate adverse test result reporting timeframes for chemical testing as are in place for microbiological testing and include them in laboratory policies and procedures (i.e., there must be no undue delay in the reporting of any adverse test results to the required authorities)		high
#Q013	reporting	reporting	mandatory	Analytical Uncertainty Estimation	drinking water	Estimation of the analytical uncertainty of a measurement is a requirement of ISO/IEC 17025:2017 — General requirements for the competence of testing and calibration laboratories and must be available if requested by the client.	If requested by the client	high
#Q014	reporting	reporting	mandatory	Reporting Adverse Results Regardless of Uncertainty	drinking water	Adverse results must be reported as required without any regard to calculated uncertainty estimations.		high
#Q015	reporting	operational	guidance	Duplicate Data Analysis Guidelines	drinking water	The following guidance is for licensed laboratories that analyze drinking water samples in duplicate: ensure that all quality control criteria is properly documented and understood by analysts ensure that prescribed criteria are met when analyzing regulated drinking water samples ensure that duplicate analyses are not averaged for the purpose of notification and reporting under the SDWA follow the reporting requirements outlined in Table 2 ensure that an Adverse Water Quality Incident is reported to the required authorities if found in either the first or second aliquot of a duplicate drinking water analysis (outlined in Table 2) upload the correct result into the Ministry of the Environment, Conservation and Park’s Drinking Water Information System (DWIS) and the Ministry of Health’s Laboratory Results Management Application (LRMA)	When analyzing drinking water samples in duplicate	high
#Q016	corrective_action	reporting	mandatory	Reporting Provisional Adverse Results for Sample Interference/Contamination	drinking water	Where a laboratory reasonably believes that an adverse result may be erroneous due to laboratory sample interference/contamination (but not as a result of QC failure), the laboratory shall: 1. Document all details relating to the possibility of result error on the analyst worksheet, logbook, final reports, etc. 2. Report the adverse result to all required parties, indicating that the result is provisional until further notice due to the possibility of interferences/contamination associated with the result. 3. If the issue is not resolved within 24 hours, a written report is required providing details in writing to all required parties. 4. Immediately take and document steps to investigate the possibility of interferences/contamination, requesting a resample, if necessary. 5. Keep SAC/PHU/DWS client updated on the laboratory’s internal investigation and provide a completion time where warranted. 6. If the result is confirmed as adverse, notify all parties (SAC, PHU and the DWS owner/operator) of the confirmed result and, where applicable, the reason for the error/contamination. 7. If the result is not adverse, instruct SAC to discard the adverse water quality incident. 8. Record all steps taken.	Where a laboratory reasonably believes that an adverse result may be erroneous due to laboratory sample interference/contamination	high
#Q017	reporting	reporting	mandatory	Provisional Adverse Reporting Rules for Dilution	drinking water	Provisional adverse reporting must follow reporting rules of all other regulated reporting requirements.	In situations where a dilution and subsequent re-analysis is necessary	high
#Q018	reporting	reporting	mandatory	Reporting No Data Overgrown (NDOG) Results	drinking water	Where an observation of “over-crowding/confluent/non-identifiable microbial growth” is detected on a plate relating to analyses under the SDWA, licensed laboratories are required to report the results to the required parties as no data overgrown (NDOG) results.	When over-crowding/confluent/non-identifiable microbial growth is detected	high
#Q019	reporting	reporting	mandatory	Uploading Overgrown Qualifiers to DWIS or LRMA	drinking water	When uploading overgrown qualifiers to DWIS or LRMA, the laboratory will leave the result field blank and use the applicable NDOG qualifier (i.e., NDOGT) in the value qualifier field.	When uploading overgrown qualifiers	high
#Q020	reporting	reporting	recommended	Reporting TCB Analysis Excess Counts	drinking water	When a client requests a laboratory perform a total coliform background (TCB) analysis and a high number of individual, discrete TCB colonies in excess of the method’s maximum counting limit (X) is obtained, this does not constitute an overgrown result and there is no requirement to report the result as adverse. In these circumstances, the count should be reported to the client and uploaded as > Xcfu/100mL.	When a client requests a TCB analysis and excess limit is obtained	high
#Q021	reporting	reporting	mandatory	Data Reporting Requirements to Clients	drinking water	Data reported to the laboratory’s clients from samples collected for analysis in accordance with the SDWA or the HPPA must: be produced by properly licensed and accredited analytical methods be numerically identical to any data reported to SAC/PHU /MOH/DWS owner/operator and uploaded to DWIS/LRMA meet the ministry’s reporting detection limit (RDL) requirements, where applic able be expressed in proper and defensible significant figures be expressed to two to three significant figures for the expression of chemical data		high
#Q022	reporting	reporting	mandatory	Reporting Limits (RDL and MDL)	drinking water	Analytical results must be reported down to the ministry’s RDL, where no RDL exists, the results must be reported to the licensed method’s method detection limit (MDL).		high
#Q023	operational	operational	mandatory	Data Transfer Error Checking Procedures	drinking water	The ministry requires that laboratories have procedures in place to ensure that data transfer mechanisms and routines, both manual and electronic, are checked for errors.		high
#Q024	operational	operational	mandatory	MDL Requirements for Certain Organic Parameters	drinking water	For these parameters, a licensed laboratory must be able to achieve MDL at least equal to the RDL.	For certain organic parameters (Benzene, Terbufos, Benzo[a]pyrene)	high
#Q025	reporting	reporting	mandatory	Timeframe for Uploading Test Results	drinking water	Results must be uploaded within 10 days of them being authorized for reporting.		high
#Q026	corrective_action	reporting	mandatory	Steps for Upload Issues (O. Reg. 170/03 and 243/07)	drinking water	If a laboratory is experiencing issues with uploading test results, they must follow the steps outlined below: For Ontario Regulation 170/03 DWS and Ontario Regulation 243/07 facilities 1. Document all actions taken to upload the information. 2. Verify that the upload failure is caused by a LSN issue by contacting lsb.reg170_lsb@ontario.ca. 3. If the problem is related to a profile issue, contact the Registration Team at: Toll-free: 1-866-793-2588 or email waterforms@ontario.ca. 4. Contact the client to request the submission of the completed or corrected LSN. 5. Attempt to upload again within 20 days of the original failure. 6. If the upload is still unsuccessful after 20 days, contact the Laboratory Licensing and Compliance Program by emailing LLCP@ontario.ca for further follow up.	If a laboratory is experiencing issues with uploading test results	high
#Q027	corrective_action	reporting	mandatory	Steps for Upload Issues (O. Reg. 319/08 Small DWS)	drinking water	For Ontario Regulation 319/08 Small DWS 1. Document all actions taken to upload the information 2. Contact the local PHU for a resolution	If a laboratory is experiencing issues with uploading test results for Small DWS	high
#Q028	reporting	reporting	mandatory	Reporting Aggregated Parameters	drinking water	In the case where aggregated parameter data are to be reported to DWIS, the ministry requires that the “total” sum of the aggregate be reported, not individual parameters.	When aggregated parameter data are to be reported to DWIS	high
#Q029	administrative	operational	mandatory	Licensing for Aggregated Tests	drinking water	Laboratories hired to perform the analyses of various aggregated parameters (i.e., Aldrin + Dieldrin, DDT + metabolites, etc.) must be licensed to analyze all parameters of that specific aggregated test.		high
#Q030	operational	operational	mandatory	Single Laboratory for Total Analyses	drinking water	Additionally, the SDWA requires that the “total” analyses must be conducted at one laboratory.		high
#Q031	corrective_action	reporting	mandatory	Correcting Erroneous Data Reporting	drinking water	When a laboratory identifies an error in their data reporting, the laboratory shall: 1. Document all details pertaining to the erroneous data 2. Contact the required parties 1. If the erroneous result was reported as an adverse water quality Incident, verbally contact SAC, DWS owner/operator and PHU and retract the erroneous result. Provide details about the error and the correct result. 2. Provide written notification to the required parties indicating the retraction of the erroneous data directly on the ministry’s “Notice of Adverse Test Results and Other Problems and Notice of Issue Resolution at Drinking Water Systems” form. Include the correct result. 3. If the data has already been uploaded to the ministry databases, the lab shall:	When a laboratory identifies an error in their data reporting	high
#Q032	corrective_action	reporting	mandatory	Correcting Erroneous Data in DWIS	drinking water	Contact the Help Desk at opssd@ontario.ca or by calling the help desk at Toll-free: 1-888-677-4873. Request the removal of the erroneous data, including the sample submission ID that used to upload all erroneous results. Upload correct results and any other results that were inactivated within the submission ID to DWIS.	If the data has already been uploaded to DWIS	high
#Q033	reporting	reporting	mandatory	Using New Submission ID for DWIS Resubmission	drinking water	A new submission ID must be used to upload the results. We encourage labs to use the same submission ID used to upload the original data appended with an A, i.e., original submission ID 123456 will be re-uploaded as submission ID 123456A.	When re-uploading corrected results	high
#Q034	corrective_action	reporting	mandatory	Correcting Erroneous Data in LRMA	drinking water	Log onto LRMA and toggle the "ignore" button to “true”. Upload the correct result under a new sub-mission ID.	If the data has already been uploaded to LRMA	high
#Q035	operational	reporting	mandatory	Data Reporting System Validation	drinking water	The ministry expects that the process or system that reports data for the purpose of complying with the requirements of the SDWA is validated with respect to transmission accuracy and content.		high
#Q036	prohibition	reporting	mandatory	NDOGT Disclosure Prohibition	drinking water	Labs must not disclose to SAC whether they have seen TC or EC — this is irrelevant to the reporting	When reporting NDOGT (Bacteria overgrown on an EC/TC plate and target bacteria are visible)	high
#Q037	reporting	reporting	mandatory	Written Adverse Report Timeline	drinking water	Written report of adverse test to SAC, DWS owner/operator, PHU and MOH as required. Please refer to applicable regulation for specific reporting requirements. Not greater than 24 hours after immediate report		high
#Q038	reporting	reporting	guidance	Dilution Provisional Reporting Authorization Conditions	drinking water	Provisional adverse reporting can be used in situations where a dilution and subsequent re-analysis is necessary. This can be used if the following conditions are met: all QC criteria has been met with the exception of the result being greater than the calibration range, the result is known to be greater than the standard, the dilution analysis cannot be completed in a timely manner.	When dilution and subsequent re-analysis is necessary	high
#Q039	administrative	operational	mandatory	MLAS Registration Requirement	other	Per the Mining Act and the regulations claimholders, lessees, patent holders, or prospector licensees must be registered users in MLAS to do business for mining purposes, in Ontario.		high
#Q040	administrative	operational	mandatory	Mandatory Mining Act Awareness Program Completion	other	You must complete the MAAP if you: are applying for or renewing an existing prospector's licence; hold a lifetime prospector's licence; are listed as a "qualified supervisor" on an exploration plan or permit; are a private landowner or a member or representative of an Indigenous community that may engage or work with prospectors and the mineral exploration industry	When applying for or renewing prospector's licence, holding lifetime licence, listed as qualified supervisor, or representing Indigenous community/landowner	high
#Q041	administrative	operational	recommended	MAAP Completion through MLAS	other	If you are completing MAAP to conduct business with the ministry and/or to satisfy a mandatory requirement under the Mining Act, you should complete MAAP through MLAS.	When completing MAAP to conduct business or satisfy mandatory requirement	high
#Q042	administrative	reporting	mandatory	Class Environmental Assessment Requirement	other	A Class Environmental Assessment (Class EA) describes a planning and decision-making process for groups (or classes) of activities where a proponent must conduct an environmental assessment.	For classes of activities subject to the Class EA under the Mining Act	high
#Q043	design	operational	mandatory	Mine Rehabilitation Code Compliance	other	The Mine Rehabilitation Code (PDF), effective April 1, 2024, contains standards, procedures, and requirements for mine closure and is incorporated by reference into Ontario Regulation 35/24.		high
#Q044	operational	operational	mandatory	Early Exploration Standards Compliance	other	Provincial Standards for Early Exploration, (PDF) effective April 10, 2018, lists requirements that must be met when carrying out exploration plan or permit activities, including requirements for rehabilitation when the early exploration activities have been completed.	When carrying out exploration plan or permit activities	high
#Q045	reporting	reporting	mandatory	Technical Standards for Reporting Assessment Work	other	Technical Standards for Reporting Assessment Work (PDF), effective April 10, 2018, lists the minimum requirements for Assessment Work reports for the different work types and costs and expenses that are eligible under Ontario Regulation 65/18.		high
#Q046	administrative	reporting	mandatory	Small Drinking Water System Identification and Notification	drinking water	The Small Drinking Water System Identification form is to be used by owners of small drinking water systems to notify in writing the medical officer of health in the health unit where their system is located before supplying drinking water to users of the system following construction or alteration of the small drinking water system or following a shut-down of the system that lasts longer than 7 days.	following construction or alteration of the small drinking water system or following a shut-down of the system that lasts longer than 7 days	high
#Q047	reporting	reporting	mandatory	Laboratory Services Notification	drinking water	The Laboratory Services Notification (LSN) form is to be used by small drinking water system owners/operators to notify the local public health unit in writing as to which licensed laboratories will test drinking water samples for their small drinking water systems.		high
#Q048	reporting	reporting	mandatory	Notice of Adverse Test Results and Issue Resolution	drinking water	The Notice of Adverse Test Results and Issue Resolution form is to be used by licensed laboratories and owners/operators of small drinking water systems to support required written notifications pertaining to small drinking water system adverse water quality incidents (AWQI).	pertaining to small drinking water system adverse water quality incidents (AWQI)	high
#Q049	operational	operational	mandatory	Compliance with Public Health Inspector Directives	drinking water	Public health inspectors conduct individual site-specific risk assessments then issue a directive, setting out individual requirements for each system.	Based on site-specific risk assessments	high

P Quantitative Requirements (16)

Req ID	Category	Intent	Legal Status	Name	Subdomain(s)	Limit Type	Limit Value	Context	Conditions	Confidence
#P001	chemical	reporting	mandatory	chemical data	drinking water	requirement	2 to 3 significant figures	Data reported to the laboratory's clients from samples collected for analysis in accordance with the SDWA or the HPPA must be expressed to two to three significant figures for the expression of chemical data	When reporting chemical data to clients	high
#P002	chemical	reporting	mandatory	Benzene and Terbufos RDL	drinking water	requirement	>= 50 % of MAC	Due to the limitations of current analytical methods to achieve lower detection limits, the ministry has set the RDL for certain organic parameters, Benzene and Terbufos at 50% or more of the MAC	Applicable to reporting detection limits (RDL) for these parameters	high
#P003	chemical	reporting	mandatory	Benzo[a]pyrene RDL	drinking water	requirement	100 % of MAC	The ministry has set the RDL for... Benzo[a]pyrene at 100% (of the MAC)	Applicable to reporting detection limit (RDL) for this parameter	high
#P004	chemical	operational	mandatory	parameters listed in Schedules 23 or 24	drinking water	requirement	> 0.5 MAC	Schedule 13-5 of Ontario Regulation 170/03 requires an increased frequency of sampling if an analytical result obtained for any of the parameters listed in Schedules 23 or 24 exceeds one half of the Maximum Allowable Concentration (MAC)	Triggers increased frequency of sampling	high
#P005	microbiological	reporting	recommended	total coliform background (TCB)	drinking water	requirement	> X cfu/100mL	When a client requests a laboratory perform a total coliform background (TCB) analysis and a high number of individual, discrete TCB colonies in excess of the method's maximum counting limit (X) is obtained	Does not constitute an overgrown result and there is no requirement to report the result as adverse	high
#P006	operational	operational	mandatory	Gravity component - most serious violations	wastewater, other	requirement	100,000 $/day	Environmental penalties range from $100,000 per day for the most serious violations (e.g., a spill with a significant impact)	Most serious violations such as spills with significant impact	high
#P007	operational	operational	mandatory	Gravity component - serious violations	wastewater, other	requirement	10,000 $/day	$10,000 per day for serious violations (e.g., sample fails acute toxicity test)	Serious violations such as acute toxicity test failure	high
#P008	operational	operational	mandatory	Gravity component - less serious violations	wastewater, other	requirement	1,000 $/day	$1,000 per day for less serious violations (e.g., failure to submit a required quarterly report).	Less serious violations such as failure to submit a quarterly report	high
#P009	operational	operational	mandatory	Written request for penalty review period	other	requirement	15 days	A regulated party that has received a notice of intention may submit a written request within 15 days of the date of the notice that the ministry review information about the incident.	Submission of written request for review following notice of intention	high
#P010	operational	operational	recommended	Maximum reduction for good performance	other	requirement	<= 35 %	The regulated person may seek up to a 35% reduction to environmental penalties for actions taken by the regulated person to prevent or mitigate the violation, and for having an environmental management system in place.	Based on actions taken to prevent/mitigate or having an EMS in place	high
#P011	operational	operational	recommended	Settlement reduction for discharge related violations	wastewater	requirement	<= 75 %	Facilities would be eligible for reductions of up to 75% of the gravity penalty amount for discharge related violations	Applicable when entering into a settlement agreement for discharge related violations	high
#P012	operational	operational	recommended	Settlement reduction for non-discharge violations	other	requirement	100 %	Facilities would be eligible for reductions of... up to 100% for non-discharge violations.	Applicable when entering into a settlement agreement for non-discharge violations	high
#P013	operational	operational	mandatory	Statute of limitations for order issuance	other	requirement	1 year	The ministry has one year from the later, of the date on which violation occurred, or the date on which evidence of the violation first came to the attention of the ministry to issue an environmental penalty order.	Timeline starting from date of violation or date evidence came to ministry attention	high
#P014	operational	operational	mandatory	Appeal deadline	other	requirement	15 days	A regulated person that has been issued an order has the right to appeal it to the Environmental Review Tribunal within 15 days of the order	Deadline for filing an appeal to the Environmental Review Tribunal	high
#P015	operational	reporting	mandatory	Environmental Penalty Program Review Frequency	other	requirement	5 years	An Environmental Penalty Program review is required once every five years in accordance with section 182.1(20) of the Environmental Protection Act (EPA) and section 106.1(20) of the Ontario Water Resources Act (OWRA).	At least once every five years, the Minister shall cause a report to be prepared and published on the operation of this section.	high
#P016	operational	operational	mandatory	Toxic Substance Gravity Component Increase	wastewater	requirement	35 %	Two of the spills involved a toxic substance which increased the gravity component of the environmental penalty order by 35%.	Applicable when a spill involves a toxic substance as determined by the ministry.	high

D Definitions (58)

Req ID	Name	Context	Confidence
#D001	Abatement	An action that is taken by a facility to achieve compliance that includes education, outreach, warnings and issuance of control documents.	high
#D002	Adverse effect	Impairment of the quality of the natural environment for any use that can be made of it; injury or damage to property or to plant or animal life; harm or material discomfort to any person; an adverse effect on the health of any person; impairment of the safety of any person; rendering any property or plant or animal life unfit for human use; loss of enjoyment of normal use of property; or, interference with the normal conduct of business.	high
#D003	Bypass	Flows that are diverted from a part of the sewage treatment process but are discharged to the environment through the final effluent outfall of the sewage treatment plant.	high
#D004	Combined sewer system	A collection system designed to convey both sanitary and storm water runoff through a single pipe to a sewage treatment works.	high
#D005	Compliance	A state achieved when a person who is bound by a provision of an act, regulation, control document or authorizing document acts in accordance with applicable provisions of ministry legislation, regulations and any control or authorizing documents.	high
#D006	Control document (orders, direction, or notice)	An authority under ministry legislation to require a person to deal with a violation or other types of incidents. Ministry legislation authorizes Provincial Officers, directors, the minister or a court to issue control documents, and they include orders, directions, reports and notices. A control document imposes legal obligations on the person as opposed to allowing the person to deal with the incident voluntarily.	high
#D007	Director	A person appointed as a director in writing by the minister under section 5 of the Environmental Protection Act or the Ontario Water Resources Act, or other relevant legislation.	high
#D008	Effluent	Waste or wastewater that flows out from a treatment plant or individual treatment process.	high
#D009	Enforcement	Prosecuting alleged violators for the purpose of punishing wrongdoing and deterring further non-compliance. Prosecutions are commenced and conducted under the Provincial Offences Act (POA) and include issuing a Certificate of Offence (ticket) or summons under Part I of the POA, as well as the laying of charges under Part III of the PO.	high
#D010	Environmental Activity and Sector Registry (EASR)	The Environmental Activity and Sector Registry (EASR) is an online self-registration system. It replaced the approvals process for specific activities and sectors prescribed in regulations that are considered routine, standard, or well-understood. A person engaging in these activities registers the activity on the EASR.	high
#D011	Environmental Compliance Approval (ECA)	The name of the approval that is issued in respect of section 9 and 27 activities under the Environmental Protection Act and section 53 activities under the Ontario Water Resources Act as of October 31, 2011. An ECA replaces a Certificate of Approval (CofA); as such, a CofA will automatically be treated as an ECA as of October 31, 2011. It is not required to be replaced. ECAs are also referred to as approvals, or ministry approvals throughout this document.	high
#D012	Financial assurance	The provision of financial security by a regulated party. It can be required to ensure compliance with environmental objectives; ensure that requirements are achieved by a specified deadline; or ensure that funds are available for future clean-up and remediation of landfills and other contaminated sites which require long-term care and monitoring.	high
#D013	Hauled sewage (septage)	Contents removed from septic tanks, portable toilets, privy vaults and holding tanks serving houses, schools, motels, mobile home parks, campgrounds and small commercial endeavors, all receiving sewage from domestic sources. Septage is raw and untreated.	high
#D014	Ministry	Ministry of the Environment, Conservation and Parks, ministry or MECP, unless otherwise stated.	high
#D015	Non-compliance	Failure to meet a provision of an act, regulation, control document or authorizing document.	high
#D016	Onsite sewage disposal systems	Sewage systems, such as septic systems or holding tanks, which do not discharge or discharge below the ground surface and are regulated under the Building Code Act.	high
#D017	Onsite sewage disposal works	Sewage works, such as septic systems or holding tanks, which discharge below the ground surface or do not discharge and are regulated by the ministry.	high
#D018	Overflows	A combined sewer overflow is a discharge to the environment from a combined sewer system. A sanitary sewer overflow is a discharge to the environment from a sanitary sewer system. A sewage treatment plant overflow is a discharge to the environment from a sewage treatment works at a location other than the final effluent outfall or downstream of the sampling point in the final effluent outfall.	high
#D019	Owner of a pollutant	The owner of the pollutant immediately before the first discharge of the pollutant, whether into the natural environment or not, in a quantity or with a quality abnormal at the location where the discharge occurs.	high
#D020	Person having control of a pollutant	The person and the person's employee or agent, if any, having the charge, management or control of a pollutant immediately before the first discharge of the pollutant, whether into the natural environment or not, in a quantity or with a quality abnormal at the location where the discharge occurs.	high
#D021	Pollutant	A contaminant other than heat, sound, vibration or radiation.	high
#D022	Pollution Prevention Control Plan (PPCP)	A plan outlining the nature, cause, and extent of pollution problems associated with combined sewer overflows. The PPCP examines alternatives, proposes remedial measures, and provides recommendations for implementation.	high
#D023	Provincial Officer	Any person designated as such under section 5 of the Environmental Protection Act or the Ontario Water Resources Act, or other relevant legislation. A Provincial Officer is a peace officer for the purpose of enforcing the legislation they are designated under.	high
#D024	Pre-application consultation	A dialogue between the proponent, the ministry, and possibly the public, prior to the submission of an application for approval. Pre-application consultation is meant to assist proponents in defining the environmental objectives for the project. Examples of these objectives are: effluent requirements, determining the requirements regarding characterization of the source of raw water, establishing general acceptability of the proposed technology, identifying any special approval related requirements, and determining the need for public consultation or notification.	high
#D025	Regulated person	Persons who are or were members of the class of persons described in subsection 3 (1) of the Environmental Penalties Regulation (Ontario Regulation 222/07) made under the Environmental Protection Act.	high
#D026	Responsibility agreement	Legal agreements between a municipal authority and developer which stipulate the conditions under which communal sewage services will be constructed, operated and maintained, as well as, the action to be undertaken in the event of owner default. Responsibility agreements require up-front secured funds for any remedial measures that may be necessary in the event of default.	high
#D027	Sanitary sewage	Includes domestic, commercial and industrial sewage.	high
#D028	Sewage	Sewage is defined to include drainage, storm water, commercial wastes and industrial wastes and such other matter or substance as is specified by the regulations in the Ontario Water Resources Act.	high
#D029	Sewage system	Defined in the Ontario Building Code (Regulation 350 under the Building Code Act) as: a chemical toilet, an incinerating toilet, a recirculating toilet, a self-contained portable toilet and all forms of privy including a portable privy, an earth pit privy, a pail privy, a privy vault and a composting toilet system; a greywater system; a cesspool; a leaching bed system; a system that requires or uses a holding tank for the retention of hauled sewage at the site where it is produced before its collection by a hauled sewage system, where these: have a design capacity of 10,000 litres per day or less, have, in total, a design capacity of 10,000 litres per day or less, where more than one of these are located on a lot or parcel of land, and are located wholly within the boundaries of the lot or parcel of land on which is located the building or buildings they serve.	high
#D030	Sewage works	Any works for the collection, transmission, treatment and disposal of sewage or any part of such works but does not include plumbing to which the Building Code Act, 1992 applies.	high
#D031	Spill	When used with reference to a pollutant, means a discharge into the natural environment from or out of a structure, vehicle or other container; and, that is abnormal in quality or quantity in light of all the circumstances of the discharge, and when used as a verb has a corresponding meaning.	high
#D032	Storm water	Rain, melted snow or any other form of precipitation that has come into contact with the ground or any other surface. This water seeps into the ground, is absorbed by vegetation, evaporates or runs off the land into storm sewers, streams and lakes.	high
#D033	Municipality	is within the meaning of the Municipal Act, 2001, and includes any of the following bodies that is established for the purpose of managing public utilities on behalf of or for a municipality: a public utility commission that is deemed to be a municipal service board; a municipal service board established under the Municipal Act; a corporation established under the Municipal Act.	high
#D034	beyond compliance measure or best management practice	a plant-based pollution prevention or reduction project that aims to benefit human health or the environment beyond the requirements of the law.	high
#D035	Class X Spill	one addressed in a spill contingency plan that meets certain standards for relatively small and manageable spills.	high
#D036	OWRA	Ontario Water Resources Act	high
#D037	EPA	Environmental Protection Act	high
#D038	L/d	litres per day	high
#D039	LEP	licensed engineering practitioner	high
#D040	NASM	non-agricultural source materials	high
#D041	POA	Provincial Offences Act	high
#D042	PO	Provincial Offences Act	high
#D043	CofA	Certificate of Approval	high
#D044	ECA	Environmental Compliance Approval	high
#D045	EASR	Environmental Activity and Sector Registry	high
#D046	CWA	Clean Water Act	high
#D047	MECP	Ministry of the Environment, Conservation and Parks	high
#D048	PPCP	Pollution Prevention Control Plan	high
#D049	ECAs	Environmental Compliance Approvals	high
#D050	V	five	high
#D051	IX	nine	high
#D052	XII	twelve	high
#D053	ESAR	Environmental Activity and Sector Registry	high
#D054	St.	Saint	high
#D055	X	ten	high
#D056	etc.	et cetera	high
#D057	I	one	high
#D058	III	three	high