To ensure new onsite sewage system with a design flow greater than 10,000 Litres per day and regulated by the Ontario Water Resources Act never becomes a significant drinking water threat, where such an activity would be a significant drinking water threat, the Ministry of Environment, Conservation and Parks hall prohibit this activity within the Environmental Compliance Approvals process.

DC-M-CW-1.12: Where the Source Protection Plan policies require a provincial ministry to deny a an activity with a Prescribed Instrument, the applicable Ministry shall document the number and locations where such instruments were denied and provide a summary of the actions taken to the Source Protection Authority by February 1st of each year, in accordance with the Clean Water Act, 2006.