To ensure that any storage of snow ceases to be, or never becomes, a significant drinking water threat, where this activity is, or would be, a significant drinking water threat, this activity shall be designated for the purpose of Section 57 of the Clean Water Act, 2006 and shall be prohibited, where any of the following apply:
a. Existing or Future storage of snow in a WHPA-A inside of a Sodium WHPA-ICA or Chloride WHPA-ICA
b. Future storage of snow in a WHPA-A or IPZ-2 with a vulnerability score equal to nine (9) outside of a Sodium WHPA-ICA or Chloride WHPA-ICA