Reporting Illegal Discharge


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:
  • Animal waste
  • Cleaning products
  • Garbage
  • Hazardous waste
  • Herbicides
  • Lawn chemicals
  • Oil and/or petroleum products
  • Paint products
  • Sediment
  • Wastewater
  • Yard waste
  • Other toxic substances

Contact Us

  1. Stormwater Coordinator


    1221 6450 Road
    P.O. Box 790
    Montrose, CO 81402

    Normal hours
    Ph: 970-240-1451

    After hours, weekends, or holidays
    Ph: 970-209-2317


    Monday - Thursday
    7 a.m. - 6 p.m.