Drinking Water Compliance OS

DURANGO, CO · La Plata County

KNOLLS AT DURANGO HOA 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)
CO0134515
System type
Community Water System
Population served
150
Service connections
32
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Source Water (GWR)

    E. COLI

    October 5, 2025 – October 14, 2025

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2025 – October 14, 2025

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2023 – August 14, 2024

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2023 – August 14, 2024

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    November 1, 2021 – November 30, 2021

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2021 – December 20, 2021

    Resolved
  • Treatment Technique No Certif. Operator

    Health-based

    Stage 1 Disinfectants and Disinfection Byproducts Rule

    February 1, 2020 – March 2, 2020

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    April 1, 2018 – April 30, 2018

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2018 – May 2, 2018

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2015 – August 31, 2015

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2015 – September 30, 2015

    Resolved
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    October 1, 2005 – March 13, 2007

    Resolved
  • Monitoring, Regular

    Antimony, Total

    January 1, 2002 – December 31, 2004

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

WALKER, RAY

970-382-7662

DURANGO, CO 81303