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Drinking water compliance assurance

Resources

Test your water

Data and Consumer Information

Guidance and forms

Calculators

Contacts

  • Call 303-692-3308 for potential acute situations or high results. If busy, or fails to connect, you may also call 720-295-4632.
    • Positive coliform or Positive E. coli.
    • Nitrate greater than or equal to 10.0 mg/L or Nitrite greater than or equal to 1.0 mg/L.
    • Surface water high turbidity or inadequate disinfection.
    • Chlorine dioxide greater than or equal to 0.8 mg/L or Chlorite greater than or equal to 1.0 mg/L.
  • Report general concern or emergency
  • General phone: 303-692-3556 (please use for contacting us about accessibility issues as well). 
  • Individual Contacts:
    • Public water system's click on county in map below or search table by county and type to find your primary compliance contact.
    • Trouble viewing or need full screen? Open individual contacts in new window.