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Location: Ministry Home > Water > Safe Drinking Water Act > Ontario Regulation 252/05 > Summary of O.Reg 252/05 Requirements

Summary of O. Reg. 252/05 Requirements

View summary chart in PDF format PDF 5117e
Summary
Requirement Small Non-Municipal Non-Residential

(e.g. church,motel, B&B, gas station, restaurant)


Guide
Large Non-Municipal Non-Residential

(e.g. large resort, industrial facility)

Guide
Small Municipal Non-Residential

(e.g. community hall, library, ball park, arena)

Guide
Large Municipal Non-Residential

(e.g. airport, large sports complex

Guide
Non-Municipal Seasonal Residential

(e.g. trailer park / campground, communal cottage system)

Guide
Sampling in the distribution system or plumbing Monthly sampling for E.coli and total coliforms.

Systems serving food service establishments may be directed to sample at more frequent intervals by the Medical Officer of Health.
Weekly sampling for E.coli and total coliforms Bi-weekly sampling for E.coli and total coliforms

Weekly sampling for E.coli and total coliforms Bi-weekly sampling for E.coli and total coliforms.

Systems with more than 100 service connections must take an additional sample every month for every 100 service connections.
Testing Drinking water samples must be sent to a laboratory
licensed by MOE for testing.

List of licensed labs
Sign Posting Option Posting allowed, except for food service establishments Posting not allowed (unless system is not using electricity) Posting allowed, except for food service establishments Posting not allowed (unless system is not using electricity) Posting not allowed (unless system is not using electricity)
Where sign posting is available MOE must be notified if signs
are posted instead of testing.
Notification to the Director of Posting Warning Notices: Form
Installation of Treatment No treatment related requirements. No requirement to install treatment. Certified operator must operate system to provide proper disinfection if treatment has been installed in accordance with previous regulatory requirements. No treatment related requirements. No requirement to install treatment. Certified operator must operate system to provide proper disinfection if treatment has been installed in accordance with previous regulatory requirements. No treatment related requirements.
Corrective Action Notify MOE Spills Action Centre at 1-800-268-6060 or (416)325-3000
and local Medical Officer of Health of adverse test results.

Take corrective action as required by the regulation.
Record Keeping and Reporting Records and documents retained as required by regulation.

Annual reports not required


If you are having difficulty accessing a document, please contact the Ministry of the Environment at picemail@ene.gov.on.ca or phone the ministry's Public Information Centre at 1- 800-565-4923, in Toronto 416-325-4000 or by mail to the Ministry of the Environment, Public Information Centre, 135 St. Clair Ave. West, 1st Floor, Toronto, ON. M4V 1P5.



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Last Modified: Tuesday August 23 2005