The following activities regulated under the Ontario Water Resources Act, 1990 (as amended) shall not be established where they could be a significant drinking water threat:

storage of sewage;
sewage treatment plant effluent discharges;
sewage treatment plant bypass discharges to surface water;
combined sewer discharge from a stormwater outlet to surface water ; and
industrial effluent discharges which discharge to surface water and have their primary function in the collection, transmission or treatment of industrial sewage.

The aforementioned activities are exempt from this prohibition if:

The new sewage treatment plant will replace an existing sewage treatment plant; or
The expansion to existing municipal sewage treatment will provide full services to a new or existing development which is partially serviced or a development where on-site septic systems are failing.

Accordingly, decisions relating to Prescribed Instruments (Environmental Compliance Approvals) must conform with this policy. In addition, decisions made by planning authorities under the Planning Act, 1990 must conform with this policy.

This prohibition takes effect when the Source Protection Plan takes effect.

Note: Additional policies apply. See: MONITORING-2 and MONITORING-3.

MONITORING-2: Planning Act, 1990 policies:
The local planning authority shall, annually by February 1st, provide the Source Protection Authority with the following information for the previous calendar year: • A copy of the sections of the Official Plan and zoning by-laws which were amended to conform with the Source Protection Plan; • A copy of any approvals made under the Planning Act, 1990 for applications for properties in the designated land uses listed in GENERAL-6 (restricted land uses); and • A copy of the permit for approvals made under a change of use by-law, if applicable, for properties in designated land uses listed in GENERAL-6 (restricted land uses), when the permit is issued.

MONITORING-3: Prescribed Instruments:
By February 1st of each year, the Ministries shall prepare an annual summary of the actions taken to achieve the outcomes of the Source Protection policies in the previous calendar year and make that report available to the Source Protection Authority.
Additionally, it is strongly recommended that the Ministry responsible for approval, inspections, and enforcement for each Prescribed Instrument include the following in their annual report:
• The number of instruments which have been reviewed and changes made including amendments to Environmental Compliance Approvals, Nutrient Management Plans/Strategies or Non-Agricultural Source Material Plans;
• Compliance and enforcement relating to Prescribed Instruments for significant threat activities; and
• Prioritized inspections in the vulnerable areas