MONTEZUMA WC
Colorado — Community Water System — PWSID: CO0142900
System Information
| PWSID | CO0142900 |
| System Name | MONTEZUMA WC |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 19, 1983 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Colorado |
| City | DOLORES |
| ZIP Code | 81323 |
| Address | — |
| Organization | BOWMAN, STEVE |
| Phone | 970-882-2226 |
Population & Service
| Population Served | 13,797 |
| Service Connections | 5,202 |
Drinking Water Violations (28)
This water system has 28 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2025 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 4, 2025 | Consumer Confidence Rule |
| Jul 1, 2025 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 4, 2025 | Consumer Confidence Rule |
| Jul 1, 2025 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 4, 2025 | Consumer Confidence Rule |
| Sep 1, 2024 | Sep 30, 2024 | Chlorine dioxide | MR | No | Yes | — | 0.8 mg/L | — | Resolved | Sep 30, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2024 | Sep 30, 2024 | Chlorine dioxide | MR | No | Yes | — | 0.8 mg/L | — | Resolved | Sep 30, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2024 | Sep 30, 2024 | Chlorine dioxide | MR | No | Yes | — | 0.8 mg/L | — | Resolved | Sep 30, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2024 | Sep 30, 2024 | Chlorite | MR | No | Yes | — | 1.0 mg/L | — | Resolved | Sep 30, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2024 | Sep 30, 2024 | Chlorite | MR | No | Yes | — | 1.0 mg/L | — | Resolved | Sep 30, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2024 | Sep 30, 2024 | Chlorite | MR | No | Yes | — | 1.0 mg/L | — | Resolved | Sep 30, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2024 | Sep 30, 2024 | Chlorite | MR | No | Yes | — | 1.0 mg/L | — | Resolved | Sep 30, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2024 | Aug 31, 2024 | Chlorine dioxide | MR | No | Yes | — | 0.8 mg/L | — | Resolved | Aug 31, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2024 | Aug 31, 2024 | Chlorine dioxide | MR | No | Yes | — | 0.8 mg/L | — | Resolved | Aug 31, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2024 | Aug 31, 2024 | Chlorine dioxide | MR | No | Yes | — | 0.8 mg/L | — | Resolved | Aug 31, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2024 | Aug 31, 2024 | Chlorine dioxide | MR | No | Yes | — | 0.8 mg/L | — | Resolved | Aug 31, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2024 | Aug 31, 2024 | Chlorine dioxide | MR | No | Yes | — | 0.8 mg/L | — | Resolved | Aug 31, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2024 | Aug 31, 2024 | Chlorite | MR | No | Yes | — | 1.0 mg/L | — | Resolved | Aug 31, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2024 | Aug 31, 2024 | Chlorite | MR | No | Yes | — | 1.0 mg/L | — | Resolved | Aug 31, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2024 | Aug 31, 2024 | Chlorite | MR | No | Yes | — | 1.0 mg/L | — | Resolved | Aug 31, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2024 | Aug 31, 2024 | Chlorite | MR | No | Yes | — | 1.0 mg/L | — | Resolved | Aug 31, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2024 | Aug 31, 2024 | Chlorite | MR | No | Yes | — | 1.0 mg/L | — | Resolved | Aug 31, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 | Jul 31, 2024 | Chlorite | MR | No | Yes | — | 1.0 mg/L | — | Resolved | Jul 31, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 | Jul 31, 2024 | Chlorine dioxide | MR | No | Yes | — | 0.8 mg/L | — | Resolved | Jul 31, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 | Jul 31, 2024 | Chlorine dioxide | MR | No | Yes | — | 0.8 mg/L | — | Resolved | Jul 31, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 | Jul 31, 2024 | Chlorine dioxide | MR | No | Yes | — | 0.8 mg/L | — | Resolved | Jul 31, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 | Jul 31, 2024 | Chlorine dioxide | MR | No | Yes | — | 0.8 mg/L | — | Resolved | Jul 31, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 | Jul 31, 2024 | Chlorite | MR | No | Yes | — | 1.0 mg/L | — | Resolved | Jul 31, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 | Jul 31, 2024 | Chlorite | MR | No | Yes | — | 1.0 mg/L | — | Resolved | Jul 31, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 | Jul 31, 2024 | Chlorite | MR | No | Yes | — | 1.0 mg/L | — | Resolved | Jul 31, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
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.