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Illicit Discharge Program https://www.codot.gov/programs/environmental/water-quality/documents/illicit-discharge-program https://www.codot.gov/@@site-logo/siteLogo.png

Illicit Discharge Program

IDDE Visor Card
IDDE Wallet Card
IDDE Manual 2021
IDDE PDD 2021
IDDE Factsheet
Tags:
  • Water Quality Control
  • Environmental

Report an Illicit Discharge

Hotline: 303-512-4426
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)

Environmental Programs Branch News
  • New EPB Staff Archaeologist Jan 23, 2023
  • Innovations Challenge 2022 People's Choice Award Nov 16, 2022
  • Coffee at CDOT Aug 31, 2022
  • New Version of CDOT's Planning & Environmental Linkages Handbook Published Jun 14, 2022
  • New EPB Environmental Policy and Biological Resources Manager Jun 14, 2022
Environmental Programs Branch News - More…
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