Where the Environmental Protection Act does not require an approval, the existing establishment, operation or maintenance of a waste disposal site within the meaning of Part V of the Environmental Protection Act (PCB Waste Storage and the storage of hazardous liquid industrial waste, excluding the storage of wastes described in clauses p,q,r,s,t,u of the definition of hazardous waste (O.Reg 347)) is designated for the purposes of Section 58 of the Clean Water Act, and therefore requires a risk management plan where the activity is a significant drinking water threat. The risk management plan, at a minimum, will be based on contemporary standards, and include appropriate terms and conditions to ensure the activity ceases to be a significant drinking water threat.

MON-6: By February 1 of each year, risk management officials shall report annually to the local source protection authority with the information required in Section 65 of Regulation 287/07 related to the previous calendar year on the significant threat policies that designate an activity for the purpose of Section 58 risk management plans or Section 57 prohibition.