Ministry of the Environment, Conservation and Parks “Spills Action Centre”
If you observe contaminants in lake water from any source, they should be reported to the Ministry’s “Spills Action Centre” at 1-800-268-6060 (24 hours-a-day, 7 days-a-week).
Timely, firsthand reports with supporting details help the Ministry assess the present conditions and determine appropriate response options.
For further information, please visit the Ministry website at: www.ontario.ca/page/report-pollution-and-spills#section-0