To ensure that any Existing or Future application of road salt 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 58 of the Clean Water Act, 2006 and a Risk Management Plan shall be required where the following applies:

a.   road salt is or could be applied to the property;

b.   the salt application area is equal to or greater than 2000 square metres; and

c.    the property is used for any land uses except residential consisting of three units or fewer.

Notwithstanding the above, a Risk Management Plan will also be required for any municipal properties where the activity is or would be a significant drinking water threat.