Policy Text:
To ensure the existing and future discharge from a stormwater management facility exempt from Environmental Compliance Approvals does not become or ceases to be a significant drinking water threat:
a. The future discharge from a stormwater management facility within vulnerable areas where this activity would be a significant drinking water threat is designated for the purpose of Section 57 of the Clean Water Act, 2006 and is prohibited within the following vulnerable areas where there is or would be a significant drinking water threat:
i. In Wellhead Protection Area A;
ii. In Intake Protection Zone One (1).
b. The discharge from a stormwater management facility shall be designated for the purpose of Section 58 of the Clean Water Act, 2006 and a Risk Management Plan shall be required with the persons or agencies engaging or proposing to engage in the following areas:
a. Existing:
i. In Wellhead Protection Areas A and B where the vulnerability is equal to ten (10);
ii. In Wellhead Protection Area E where the vulnerability is greater than or equal to eight (8);
iii. In Intake Protection Zone One (1);
iv. In Intake Protection Zones Two (2) and Three (3) where the vulnerability is greater than or equal to eight (8);
v. Where a Nitrate and/or Chloride Issue has been identified, in all Issue contributing Areas except in Wellhead Protection Area A.
b. Future:
i. In Wellhead Protection Area B where the vulnerability is equal to ten (10);
ii. In Wellhead Protection Area E where the vulnerability is greater than or equal to eight (8);
iii. In Intake Protection Zones Two (2) and Three (3) where the vulnerability is greater than or equal to eight (8);
iv. Where a Nitrate and/or Chloride Issue has been identified, in all Issue Contributing Areas except Wellhead Protection Area A.
The Risk Management Plan shall include, as a minimum, water quality monitoring and reporting to the Risk Management Official. Where there is a Nitrate and/or Chloride Issue, the Risk Management Plan shall also include water quality monitoring for nitrate or chloride, respectively.