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
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2025 – October 14, 2025
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2023 – August 14, 2024
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2023 – August 14, 2024
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
November 1, 2021 – November 30, 2021
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2021 – December 20, 2021
ResolvedTreatment Technique No Certif. Operator
Health-basedStage 1 Disinfectants and Disinfection Byproducts Rule
February 1, 2020 – March 2, 2020
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
April 1, 2018 – April 30, 2018
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2018 – May 2, 2018
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 2015 – August 31, 2015
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2015 – September 30, 2015
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2005 – March 13, 2007
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 2002 – December 31, 2004
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 5, 2025 – October 14, 2025 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| October 1, 2025 – October 14, 2025 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2023 – August 14, 2024 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2023 – August 14, 2024 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| November 1, 2021 – November 30, 2021 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 1, 2021 – December 20, 2021 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| February 1, 2020 – March 2, 2020 | Treatment Technique No Certif. Operator | Stage 1 Disinfectants and Disinfection Byproducts Rule | Health-based | Resolved |
| April 1, 2018 – April 30, 2018 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| April 1, 2018 – May 2, 2018 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| August 1, 2015 – August 31, 2015 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2015 – September 30, 2015 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| October 1, 2005 – March 13, 2007 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Antimony, Total | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- October 24, 2025State Public Notification requested1 linked violation
- October 24, 2025State Violation/Reminder Notice1 linked violation
- October 24, 2025State Public Notification requested1 linked violation
- October 24, 2025State Violation/Reminder Notice1 linked violation
- October 14, 2025State Compliance achieved1 linked violation
- October 14, 2025State Compliance achieved1 linked violation
- August 14, 2024State Compliance achieved2 linked violations
- October 19, 2023State Public Notification requested2 linked violations
- October 19, 2023State Violation/Reminder Notice2 linked violations
- December 23, 2021State Public Notification requested2 linked violations
- December 23, 2021State Violation/Reminder Notice2 linked violations
- December 20, 2021State Compliance achieved2 linked violations
- March 5, 2020State Public Notification received1 linked violation
- March 2, 2020State Compliance achieved1 linked violation
- February 7, 2020State Violation/Reminder Notice1 linked violation
- February 7, 2020State Public Notification requested1 linked violation
- June 7, 2018State Public Notification requested1 linked violation
- June 7, 2018State Violation/Reminder Notice1 linked violation
- June 7, 2018State Violation/Reminder Notice1 linked violation
- June 7, 2018State Public Notification requested1 linked violation
- May 2, 2018State Compliance achieved2 linked violations
- October 6, 2016State Compliance achieved2 linked violations
- October 9, 2015State Public Notification requested1 linked violation
- October 9, 2015State Violation/Reminder Notice1 linked violation
- October 9, 2015State Public Notification requested1 linked violation
- October 9, 2015State Violation/Reminder Notice1 linked violation
- April 24, 2012State Public Notification received1 linked violation
- August 9, 2011State Violation/Reminder Notice3 linked violations
- March 13, 2007State Compliance achieved2 linked violations
- March 14, 2006State Public Notification requested1 linked violation
- March 14, 2006State Violation/Reminder Notice1 linked violation
- June 8, 2005State Compliance achieved10 linked violations
- February 22, 2005State Public Notification requested12 linked violations
Contact
WALKER, RAY
970-382-7662
DURANGO, CO 81303