To ensure that any New waste disposal sites within the meaning of Part V of the Environmental Protection Act, 1990 not subject to an Environmental Compliance Approval in WHPA-B with a vulnerability score equal to ten (10) never become significant drinking water threats, where these activities would be significant drinking water threats, these activities shall be designated for the purpose of Section 58 of the Clean Water Act and a Risk Management Plan shall be required.

The requirements of the Risk Management Plan may be based on Ministry of the Environment, Conservation and Parks tools and requirements for such activities, as set out in the Environmental Protection Act, 1990, but may also include any modifications or additional requirements that are deemed necessary or appropriate by the Risk Management Official.