To ensure any future establishment, operation or maintenance of a sewage treatment plant, sewage treatment plant by-pass discharge to surface water, and sewage treatment plant effluent discharge (including lagoons) never become significant drinking water threats, where such activities would be significant drinking water threats, the Ministry of Environment, Conservation and Parks shall prohibit these activities 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.