Stormwater Programs

CDOT has several different programs to make sure the amount of pollutants being discharged is reduced, as part of the permit that allows discharges from the roadway storm drain system. These include:

Report an Illegal Discharge
  • Hotline: 303-512-4H2O

  • Illegal discharges (aka, illicit discharges) emit into CDOT's storm drain system pollutants (e.g., oil, grease, fertilizers, pesticides, grass clippings, leaves, or odd smelling/colored substances).

    Learn more.
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