To ensure the application, or handling and storage of non-agricultural source material where such an activity would be a significant drinking water threat, ceases to be and/or never becomes a significant drinking water threat, the Ministry of Agriculture, Food and Rural Affairs and/or the Ministry of the Environment, Conservation and Parks shall:

a. Prohibit Non-Agricultural Source Material (NASM) Plans for existing and future activities in Wellhead Protection Area A (WHPA-A) with a vulnerability score of 10; and
b. Review and, if necessary, amend any Non-Agricultural Source Material (NASM) Plan to ensure terms and conditions are included that reduce the risk to drinking water sources for the following area for existing and future activities in Wellhead Protection Area B (WHPA-B) with a vulnerability score of 10.

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.

(HR-CW-1.12) Where the Source Protection Plan policies require a provincial ministry to deny an activity within 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.