For those lands located within wellhead protection areas A, B or C, the handling and storage of DNAPLs in quantities greater than 25 litres where it is a significant drinking water threat activity, is designated for the purpose of Section 58 of the Clean Water Act, and requires a Risk Management Plan.

The Risk Management Official shall negotiate or establish a Risk Management Plan with the person engaged in the designated threat activity within three years of the Plan coming into effect. The RMP is to contain, at a minimum, structural or management alterations (if any), which when implemented will ensure that existing operations continue to function in a manner which minimizes the risk to sources of municipal drinking water.

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).