KNOLLS AT DURANGO HOA
Colorado - Community Water System - PWSID: CO0134515
System Information
| PWSID | CO0134515 |
| System Name | KNOLLS AT DURANGO HOA |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Nov 18, 2000 |
| Last Reported | Feb 23, 2026 |
Location & Contact
| State | Colorado |
| City | DURANGO |
| ZIP Code | 81303 |
| Address | 252 KNOLLS CIR |
| Organization | WALKER, RAY |
| Phone | 970-382-7662 |
Population & Service
| Population Served | 150 |
| Service Connections | 32 |
Drinking Water Violations (73)
This water system has 73 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 5, 2025 | - | MR | No | Yes | - | - | - | Resolved | Oct 14, 2025 | - | |
| Oct 5, 2025 | - | MR | No | Yes | - | - | - | Resolved | Oct 14, 2025 | - | |
| Oct 5, 2025 | - | MR | No | Yes | - | - | - | Resolved | Oct 14, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Oct 14, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Oct 14, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Oct 14, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 14, 2024 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 14, 2024 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 14, 2024 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 14, 2024 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 14, 2024 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 14, 2024 | - | |
| Nov 1, 2021 | Nov 30, 2021 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2021 | - | |
| Nov 1, 2021 | Nov 30, 2021 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2021 | - | |
| Nov 1, 2021 | Nov 30, 2021 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 20, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 20, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 20, 2021 | - | |
| Feb 1, 2020 | - | TT | Yes | No | - | - | - | Resolved | Mar 2, 2020 | - | |
| Feb 1, 2020 | - | TT | Yes | No | - | - | - | Resolved | Mar 2, 2020 | - | |
| Feb 1, 2020 | - | TT | Yes | No | - | - | - | Resolved | Mar 2, 2020 | - | |
| Feb 1, 2020 | - | TT | Yes | No | - | - | - | Resolved | Mar 2, 2020 | - | |
| Apr 1, 2018 | Apr 30, 2018 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | May 2, 2018 | - | |
| Apr 1, 2018 | Apr 30, 2018 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | May 2, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | May 2, 2018 | - | |
| Apr 1, 2018 | Apr 30, 2018 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2018 | - | |
| Aug 1, 2015 | Aug 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2015 | - | |
| Aug 1, 2015 | Aug 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2015 | - | |
| Aug 1, 2015 | Aug 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Feb 10, 2012 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Feb 10, 2012 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Feb 10, 2012 | - | |
| Oct 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Mar 13, 2007 | - | |
| Oct 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Mar 13, 2007 | - | |
| Oct 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Mar 13, 2007 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2004 | - |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.