MONTEZUMA CNTY WD NO 1
Colorado - Community Water System - PWSID: CO0142800
System Information
| PWSID | CO0142800 |
| System Name | MONTEZUMA CNTY WD NO 1 |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 20, 1979 |
| Last Reported | Jun 17, 2026 |
Location & Contact
| State | Colorado |
| City | CORTEZ |
| ZIP Code | 81321 |
| Address | - |
| Organization | ALLEN, TRESSA |
| Phone | 970-565-3343 |
Population & Service
| Population Served | 490 |
| Service Connections | 242 |
Drinking Water Violations (101)
This water system has 101 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 8, 2026 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Mar 31, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Mar 31, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Mar 31, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Mar 31, 2026 | - | |
| Dec 8, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Dec 31, 2025 | - | |
| Sep 8, 2025 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Sep 8, 2025 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Jun 8, 2025 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Jun 8, 2025 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Mar 8, 2025 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Mar 8, 2025 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Jan 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Jan 15, 2026 | - | |
| Jan 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Jan 15, 2026 | - | |
| Jan 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Jan 15, 2026 | - | |
| Jan 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Jan 15, 2026 | - | |
| Dec 8, 2024 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Dec 8, 2024 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Addressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Addressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Addressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Oct 6, 2023 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Oct 6, 2023 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Jul 6, 2023 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Jul 6, 2023 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Jul 10, 2018 | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Jul 10, 2018 | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Jul 10, 2018 | - | |
| Jan 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Jan 25, 2018 | - | |
| Jan 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Jan 25, 2018 | - | |
| Jan 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Jan 25, 2018 | - | |
| May 1, 2017 | May 31, 2017 | MR | No | Yes | - | - | - | Resolved | May 31, 2017 | - | |
| May 1, 2017 | May 31, 2017 | MR | No | Yes | - | - | - | Resolved | May 31, 2017 | - | |
| May 1, 2017 | May 31, 2017 | MR | No | Yes | - | - | - | Resolved | May 31, 2017 | - | |
| Nov 1, 2015 | - | TT | Yes | No | - | - | - | Resolved | Oct 5, 2016 | - | |
| Nov 1, 2015 | - | TT | Yes | No | - | - | - | Resolved | Oct 5, 2016 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Jun 22, 2016 | - |
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.