WALSH TOWN OF
PWS ID: CO0105900 · WALSH, Colorado 81090
Population Served
650
Total Violations
140
Health-Based Violations
79
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 355
- County
- Baca
- School/Daycare
- No
- MCL Violations
- 71
- Monitoring Violations
- 47
- Treatment Tech Violations
- 8
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Radium (-226 and -228) | MCL | 36 | 2025 |
| Nitrate | MCL | 31 | 2025 |
| Groundwater Rule | TT | 8 | 2018 |
| Lead and Copper Rule | MR | 7 | 2019 |
| Revised Total Coliform Rule | Other | 7 | 2023 |
| Coliform (TCR) | MR | 6 | 2008 |
| Fluoride | MR | 4 | 2007 |
| Public Notice | Other | 4 | 2025 |
| Coliform (TCR) | MCL | 4 | 2007 |
| Atrazine | MR | 4 | 2010 |
| Chlorine | MR | 3 | 2008 |
| Nitrate | MR | 3 | 1993 |
| Consumer Confidence Rule | Other | 2 | 2004 |
| Arsenic | MR | 2 | 2007 |
| Barium | MR | 2 | 2007 |
| Chromium | MR | 2 | 2007 |
| Mercury | MR | 2 | 2007 |
| Thallium, Total | MR | 2 | 2007 |
| Beryllium, Total | MR | 2 | 2007 |
| Antimony, Total | MR | 2 | 2007 |
| Cadmium | MR | 2 | 2007 |
| Selenium | MR | 2 | 2007 |
| Nickel | MR | 2 | 2007 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.