What Can I Do?


  • Report any illegal discharges
  • Report any ineffective control measures on CDOT construction sites to Laura Newman at 303-757-9257
  • Report any maintenance issues you see with CDOT permanent control measures along the roadways to Rachel Hansgen at 303-757-9975;
  • Report any activities happening at CDOT maintenance facilities that you think may impact water quality to Bob McDade at 303-757-9127;
  • Don’t litter on roadways;
  • Pick up your pet waste from rest areas;
  • Don’t pour anything down a storm drain, in roadside ditches, or in any other stormwater conveyance along the roadways;
  • Let us know your ideas on how we can do better!

improperly maintained silt fence

material spill on construction site

Silt Fence Bad

Spilled material

Additional resources


  • Utility Permits and Access Permits brochure
  • Report any illegal discharges;
  • Always close dumpster lids and don't wash them out so that the washwater enters a storm drain inlet;
  • Properly clean out grease traps;
  • Follow the power/pressure water guidelines. Power washing wastewaters require a permit from CDPHE and some municipalities consider these wastewaters illegal discharges. Try using dry cleaning methods for parking lots and sidewalks; and
  • Let us know opportunities to partner with you to protect water quality!
  • Additional resources: