To reduce the risk to municipal drinking water sources from runoff that contains chemicals used in the de-icing of aircraft, this activity shall be designated for the purposes of Section 58 of the Clean Water Act. Municipalities, through the Risk Management Official, shall work collaboratively with relevant airport authorities or operators to encourage the development of a Risk Management Plan where this activity is or would be a significant drinking water threat. The Risk Management Plan shall ensure glycol management plans are up-to-date, implemented and effective in managing the activity so that it ceases to be or never becomes a significant drinking water threat.

5.10: The Risk Management Official shall provide a report to the Source
Protection Authority, by February 1 of each year, summarizing the actions
taken by the Risk Management Official and the Risk Management
Inspector(s). The information that shall be contained in this report is
outlined within Sec. 65 (1) of O. Reg. 287/07.