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Government of Ontario Ministry of the Environment
Location: Ministry Home > Water > Drinking Water Surveillance Program Executive Summaries, 1993-1995

Drinking Water Surveillance Program Executive Summaries, 1993-1995

The Drinking Water Surveillance Program (DWSP) for Ontario monitors drinking water quality at municipal water treatment facilities. The program began in April 1986 at 22 municipal water treatment facilities in Ontario. Currently 135 systems are being monitored. A comprehensive database on drinking water quality is maintained to: report an alert when an Ontario Drinking Water Objective is exceeded; provide definitions of contaminant levels and trends in support of setting standards; provide a background for remedial action; assess treatment efficiency of plant processes.



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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