For existing or future on-site sewage system with a design flow of greater than 10,000 Litres per day and regulated under the Ontario Water Resources Act where such an activity is or would be a significant drinking water threat, the Ministry of the Environment, Conservation and Parks shall ensure that Environmental Compliance Approvals required for these septic systems are prepared to incorporate terms and conditions that, when implemented, ensure this activity ceases to be and/or never becomes a significant drinking water threat.

This may include, as appropriate, mandatory monitoring of groundwater impacts, contingencies in the event that the quality of sources of drinking water is adversely affected, regular and ongoing compliance monitoring, mandatory system inspections at least every five (5) years, if necessary.

(HR-CW-1.11): Where the Source Protection Plan policies require a provincial ministry to amend a Prescribed Instrument or issue a new Prescribed Instrument, the applicable Ministry shall provide a summary of the actions taken including documenting the number and locations where such instruments were reviewed and/or amended and any actions taken and/or terms and conditions imposed. The applicable ministry shall provide a written report summarizing this information to the Source Protection Authority by February 1st of each year.