Drinking Water Compliance OS

DENVER, CO · Denver County

DENVER WATER BOARD Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Colorado’s official records. Always confirm current status with Colorado before making decisions based on this information.

System facts

System ID (PWSID)
CO0116001
System type
Community Water System
Population served
1,287,000
Service connections
311,339
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Monitoring, Regular

    Aldicarb

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2011 – December 31, 2011

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2011 – December 31, 2011

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2011 – December 31, 2011

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2011 – December 31, 2011

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 1988 – December 31, 1988

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

PLAKKE, RUSSELL K

303-994-6605

DENVER, CO 80204