| #Q001 | treatment | health | mandatory | Compliance with Drinking Water Quality Standards | drinking water | Every owner and operator of a drinking water system must ensure that: the system’s water meets Ontario’s Drinking Water Quality Standards | | high |
| #Q002 | operational | operational | mandatory | Trained and Licensed Operators | drinking water | Every owner and operator of a drinking water system must ensure that: anyone who operates or works on their system is properly trained and licensed | | high |
| #Q003 | monitoring | operational | mandatory | Testing by Accredited Laboratories | drinking water | Every owner and operator of a drinking water system must ensure that: drinking water tests are done by licensed, accredited laboratories | | high |
| #Q004 | reporting | reporting | mandatory | Reporting Adverse Test Results | drinking water | Every owner and operator of a drinking water system must ensure that: adverse test results are reported to the Ministry of the Environment, Conservation and Parks and the local medical officer of health | | high |
| #Q005 | operational | operational | mandatory | Accredited Operating Authority | drinking water | An accredited operating authority must be in charge of a municipal residential drinking water system at all times. | Applies to municipal residential drinking water systems. | high |
| #Q006 | administrative | operational | mandatory | Establish Quality Management System | drinking water | To be accredited, you must establish and maintain a quality management system that meets the requirements of Ontario’s Drinking Water Quality Management Standard (DWQMS). | Required for accreditation. | high |
| #Q007 | administrative | operational | mandatory | Municipal System Licensing | drinking water | Municipal residential systems must be licensed under the Municipal Drinking Water Licensing Program. | Applies to municipal residential systems. | high |
| #Q008 | administrative | operational | mandatory | Licence Validity Conditions | drinking water | Licences are valid for 5 years as long as you: maintain your status as (or employ) an accredited operating authority; prepare a financial plan and have it approved by your municipal council; have a valid permit to take water; operate your drinking water system according to the conditions in your licence | Conditions to maintain a 5-year licence. | high |
| #Q009 | administrative | operational | mandatory | System Registration | drinking water | Operators must register drinking water systems and keep information up to date. | | high |
| #Q010 | design | operational | mandatory | Approval for System Alterations | drinking water | To make any additions, modifications, replacements or extensions to your drinking water system, changes must be either approved through a Schedule C amendment to your drinking water works permit or pre-authorized through a condition in your drinking water works permit. | Required when making additions, modifications, replacements, or extensions to the system. | high |
| #Q011 | reporting | reporting | mandatory | Director Notification for Alterations | drinking water | Director Notification is required within 30 days of completing or placing the alteration into service if: a pre-authorized alteration will change the description of a drinking water system component in your drinking water works permit; the alteration was approved through a Schedule C amendment | Within 30 days of completing or placing specific qualifying alterations into service. | high |
| #Q012 | reporting | reporting | mandatory | Record Keeping for Pre-authorized Alterations | drinking water | You are required to keep this record at the drinking water system for a minimum of 10 years. | Applies when taking advantage of conditions preauthorized in the drinking water works permit. | high |
| #Q013 | monitoring | health | mandatory | Lead Testing Obligation | drinking water | Owners and operators of municipal residential drinking water systems must test for lead. You need to take water samples from these 2 sources: plumbing—pipes inside the home or building; distribution locations—pipes leading to the home or building | Applies to municipal residential drinking water systems. | high |
| #Q014 | administrative | operational | mandatory | Property Owner Permission for Testing | drinking water | You must obtain permission from the owner of the property before testing. | Applies prior to taking plumbing samples. | high |
| #Q015 | monitoring | operational | mandatory | Plumbing Sampling Procedure | drinking water | Steps: 1. Turn on tap for at least 5 minutes to flush water from lines, turn off. 2. Wait 30 to 35 minutes—do not use plumbing. 3. Put bottle under tap, turn tap on to normal flow rate and take 3 samples continuously without turning off the tap and with as little spillage as possible between samples. 4. Take 1 one-litre sample for lead testing. 5. Take a 2nd one-litre sample for lead testing. 6. Take a 3rd sample and perform pH testing using an electronic pH meter with a sample size per metre specifications. | When conducting lead testing from plumbing pipes inside the home or building. | high |
| #Q016 | monitoring | operational | mandatory | Distribution Sample Timing and Location | drinking water | A distribution sample must be taken on the same day and from a location as close as reasonably possible to the locations where plumbing samples are being taken. | When taking lead and alkalinity samples from distribution locations. | high |
| #Q017 | monitoring | operational | mandatory | Distribution Sampling Procedure | drinking water | Steps: 1. Flush sampling point (hydrant or tap) until you can get a sample from that part of the system. 2. Take 1 sample for lead testing (size identified by the lab conducting the test). 3. Take a sample for total alkalinity (size identified by the lab conducting the test). 4. Take a sample and perform pH testing using an electronic pH meter with a sample size per meter identification. | When conducting testing from distribution locations. | high |
| #Q018 | reporting | reporting | mandatory | Annual Report Lead Information | drinking water | The owner or operating authority of the system must include the following information in their Annual Report: number of points sampled; number of samples taken; number of points where a sample exceeded the standard for lead | Mandatory inclusion in the Annual Report. | high |
| #Q019 | reporting | reporting | mandatory | Adverse Test Oral Notification | drinking water | licensed laboratories and drinking water system owners are required to report as below: Provide oral notice to Spills Action Centre (SAC) at 1-800-268-6060 or 416-325-3000 and the local medical officer of health. | In the case of adverse drinking water test results for systems regulated under Ontario Regulation 170/03. | high |
| #Q020 | reporting | reporting | mandatory | Adverse Test Written Notification (24 Hours) | drinking water | Provide written notice to SAC and the local medical officer of health within 24 hours of the oral notice. | Within 24 hours of providing the required oral notice of an adverse test result. | high |
| #Q021 | reporting | reporting | mandatory | Issue Resolution Written Notification | drinking water | Provide written notice to SAC and the local medical officer of health within 7 days after the issue has been resolved, summarizing the action taken and the results achieved. | Within 7 days after the adverse test issue has been resolved. | high |
| #Q022 | reporting | reporting | mandatory | Laboratory Services Notification Procedure | drinking water | To register: 2. Complete the Laboratory Services Notification form (when you receive your Drinking Water System Number) - fax the completed form to: 416-314-8716 | Upon receiving a Drinking Water System Number during registration. | high |
| #Q023 | administrative | operational | mandatory | Permit Amendment Mailing Procedure | drinking water | To amend your permit: 3. Submit form and supporting information by mail to: Director, Safe Drinking Water Act—Part V, 135 St. Clair Ave. West, 1st Floor, Toronto, Ontario M4V 1P5 | When applying for an amendment to a drinking water works permit (DWWP). | high |
| #Q024 | reporting | reporting | mandatory | Director Notification Submission Procedure | drinking water | To notify the Director: 1. Complete the Director Notification Form. 2. Submit form by email: MDWLP@ontario.ca. | When notifying the Director of alterations within 30 days of completion or placing into service. | high |
| #Q025 | administrative | operational | mandatory | Drinking Water System Profile Form Submission | drinking water | To register: 1. Complete the Drinking Water System Profile Information form - email the completed form to: waterforms@ontario.ca. ... To update registration information: 1. Complete the Drinking Water System Profile Information form. 2. E-mail the completed form to: waterforms@ontario.ca. | Required for initial registration and when information changes. | high |
| #Q026 | administrative | operational | mandatory | Municipal Drinking Water Licence Application and Renewal Submission | drinking water | To apply for or amend a licence: ... 3. Submit form and requiring supporting information by email to: MDWLP@ontario.ca. ... To renew a licence: ... 2. Submit form and required supporting information by email to MDWLP@ontario.ca. | When applying for a new licence, amending an existing licence, or renewing a licence. | high |
| #Q027 | administrative | operational | mandatory | Completion of Record Forms for Pre-authorized Alterations | drinking water | To take advantage of the conditions preauthorized in your drinking water works permit, complete the form(s) for your records. ... Form 1—Record of watermains authorized as a future alteration; Form 2—Record minor modifications or replacements to the drinking water system; Form 3—Record of addition, modification or replacement of equipment discharging a contaminant of concern to the atmosphere | Required to utilize preauthorized conditions in the drinking water works permit. | high |