Drinking water compliance assurance contacts

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  • Call 303-692-3308 for the following high results (potential acute situations):
    • 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.
  • General phone: 303-692-3556.
  • Individual Contacts:
    • Public water system's search by county and type to find your primary compliance contact.