15. The operator of municipal wastewater treatment works must notify the Minister where one of the following events occurs:
(1) an overflow of wastewater occurring in a case of emergency or in dry weather at an overflow point or elsewhere in the sewer system;
(2) equipment failure having an impact on the quality of discharges or on the frequency or volume of overflows;
(3) a diverting or an overflow of wastewater required so that work may be performed to alter, repair or maintain the works.
The notice must contain the measures taken or planned by the operator to minimize or eliminate the effects of the event. The notice is filed immediately after the event has occurred if it is an event referred to in subparagraphs 1 and 2 of the first paragraph or 3 weeks before the event provided for in subparagraph 3 of the first paragraph.
If the notice is verbal, a written copy of the notice is sent to the Minister electronically as soon as possible.
In all cases, the operator must comply, as soon as possible, with the measures planned to minimize or eliminate the effects of the overflow, failure or diverting.