TOWAOC WATER SYSTEM
Colorado — Community Water System — PWSID: 080890010
System Information
| PWSID | 080890010 |
| System Name | TOWAOC WATER SYSTEM |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 4, 1980 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | Colorado |
| City | TOWAOC |
| ZIP Code | 81334 |
| Address | P.O. Box 68 |
| Organization | MCCLAIN, TYREE |
| Phone | 970-238-0817 |
Population & Service
| Population Served | 2,020 |
| Service Connections | 670 |
Drinking Water Violations (99)
This water system has 99 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 1, 2025 | Dec 31, 2025 | MCL | Yes | No | .092 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .085 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2025 | — | |
| Dec 30, 2024 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2024 | — | |
| Dec 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Dec 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Jul 11, 2023 | — | RPT | No | No | — | — | — | Resolved | Nov 27, 2023 | — | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | — | |
| Feb 1, 2023 | Feb 28, 2023 | MON | No | Yes | — | — | — | Resolved | Feb 28, 2023 | — | |
| Feb 1, 2023 | Feb 28, 2023 | MR | No | Yes | — | — | — | Resolved | Feb 28, 2023 | — | |
| Dec 1, 2022 | Dec 31, 2022 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2022 | — | |
| Nov 1, 2022 | Jan 31, 2023 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jan 31, 2023 | — | |
| Nov 1, 2022 | Jan 31, 2023 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jan 31, 2023 | — | |
| Aug 1, 2022 | Oct 31, 2022 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Oct 31, 2022 | — | |
| Aug 1, 2022 | Oct 31, 2022 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Oct 31, 2022 | — | |
| Jul 1, 2022 | — | Other | No | No | — | — | — | Resolved | Dec 12, 2022 | — | |
| Jul 1, 2022 | — | Other | No | No | — | — | — | Resolved | Dec 12, 2022 | — | |
| Oct 11, 2021 | — | RPT | No | No | — | — | — | Resolved | Oct 28, 2021 | — | |
| Oct 1, 2021 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| Nov 1, 2019 | Jan 31, 2020 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jan 31, 2020 | — | |
| Nov 1, 2019 | Jan 31, 2020 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jan 31, 2020 | — | |
| Feb 1, 2019 | Apr 30, 2019 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Apr 30, 2019 | — | |
| Oct 1, 2018 | — | Other | No | No | — | — | — | Resolved | Feb 4, 2019 | — | |
| Oct 1, 2018 | — | Other | No | No | — | — | — | Resolved | Feb 4, 2019 | — | |
| Jul 1, 2018 | — | Other | No | No | — | — | — | Resolved | May 31, 2019 | — | |
| Jul 1, 2018 | — | Other | No | No | — | — | — | Resolved | May 31, 2019 | — | |
| Jun 1, 2018 | Jun 30, 2018 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2018 | — | |
| Feb 1, 2018 | Apr 30, 2018 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Apr 30, 2018 | — | |
| Feb 1, 2018 | Apr 30, 2018 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Apr 30, 2018 | — | |
| Feb 1, 2017 | Apr 30, 2017 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Apr 30, 2017 | — | |
| Feb 1, 2017 | Apr 30, 2017 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Apr 30, 2017 | — | |
| Jan 1, 2012 | Jan 31, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2012 | — | |
| Jan 1, 2012 | Jan 31, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2012 | — | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2013 | — | |
| Jul 1, 2010 | — | MR | No | No | — | — | — | Resolved | May 13, 2013 | — | |
| Jul 1, 2008 | — | Other | No | No | — | — | — | Resolved | Sep 24, 2008 | — | |
| Oct 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Sep 5, 2007 | — | |
| Oct 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Sep 5, 2007 | — | |
| Oct 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Sep 5, 2007 | — | |
| Jul 1, 2003 | Jul 31, 2003 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2003 | — | |
| Jul 1, 2003 | Jul 31, 2003 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2003 | — | |
| Jul 1, 2003 | Jul 31, 2003 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2003 | — | |
| Jul 1, 2002 | Jul 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2002 | — | |
| Jul 1, 2002 | Jul 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2002 | — | |
| Jul 1, 2002 | Jul 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2002 | — | |
| Jul 1, 2002 | Jul 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2002 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 7 MFL | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 7 MFL | — | 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.