Definition
Federal regulations define an illicit discharge as “…any discharge to a Municipal Separate Stormwater Sewer system (MS4) that is not entirely comprised of storm water…” with some exceptions. These exceptions are listed in the Stormwater Pollution Prevention policy, Section 3-7 of the City of Montrose Municipal Code.


When to Report
Contact the Stormwater Coordinator if you suspect or observe any illicit discharge to the stormwater system such as:

garbage yard waste herbicides lawn chemicals animal waste wastewater

oil and/or petroleum projects cleaning products paint products hazardous waste sediment other toxic substances

Stormwater Coordinator
1221 64.50 Road
Montrose, CO
(970) 240-1444 or (970) 240-1480 during normal business hours
(970) 209-2317 after hours, weekends or holidays