For those areas within a wellhead protection area where the vulnerability score is 10, and where existing and future on-site sewage systems are or would be a significant
drinking water threat, the Principal Authorities shall: implement the mandatory On-Site Sewage System Maintenance Inspection Program as required by, and in accordance with, the time frame set out in the Ontario Building Code.

Policy P.12.7 – Monitoring Policy for Land Use Planning Policies
Where a policy of this Plan relies on the Land Use Planning tool and affects decisions under the Planning Act, the Municipality shall report on how these policies were implemented to the Source Protection Authority.

Policy P.12.10 – Monitoring Policy for Policies where a Municipality or Principal Authority is named as an Implementing Body
By February 01, 2016, and then thereafter annually by February 01, where a policy of this plan prescribes that a municipality or a principal authority shall undertake an implementing action, the municipality and the principal authority shall complete and submit to the Source Protection Authority, the monitoring report in a form to be established (this includes reporting from Risk Management Officials).