For those lands located within a wellhead protection area where the vulnerability score is 8, future sewage systems or sewage works where they would be a significant drinking water threat will not be permitted. This includes, for example, but is not limited to the following (for full circumstance details refer to the MOE Tables of Circumstances):

* a below grade or partially below grade sewage treatment tank or sewage holding tank that is part of a wastewater collection facility or wastewater treatment facility which is designed to discharge treated sanitary sewage at an average daily rate of more than 50,000 cubic metres and where a spill may result in the release of a vinyl chloride or a DNAPL that could degrade to a vinyl chloride.

Policy P.12.8 – Monitoring Policy for Prescribed Instrument Policies
Where a policy of this Plan prescribes the use of a prescribed instrument under the purview of the Ministry of the Environment and Climate Change, by February 1 of each year, the Ministry of the Environment and Climate Change shall prepare and submit to the Source Protection Authority an annual summary of the action it has taken to implement policies.