NUCLA TOWN OF
PWS ID: CO0143559 · NUCLA, Colorado 81424
Population Served
875
Total Violations
155
Health-Based Violations
11
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 650
- County
- Montrose
- School/Daycare
- No
- MCL Violations
- 8
- Monitoring Violations
- 110
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 16 | 2024 |
| Chlorine | MR | 15 | 2024 |
| TTHM | MR | 12 | 2023 |
| Public Notice | Other | 10 | 2018 |
| Coliform (TCR) | MR | 9 | 2014 |
| Total Haloacetic Acids (HAA5) | MR | 9 | 2023 |
| Surface Water Treatment Rule | MR | 9 | 2024 |
| TTHM | MCL | 8 | 2016 |
| Revised Total Coliform Rule | RPT | 6 | 2024 |
| Arsenic | MR | 4 | 2004 |
| Barium | MR | 4 | 2004 |
| Cadmium | MR | 4 | 2004 |
| Nickel | MR | 4 | 2004 |
| Antimony, Total | MR | 4 | 2004 |
| Chromium | MR | 4 | 2004 |
| Beryllium, Total | MR | 4 | 2004 |
| Selenium | MR | 4 | 2004 |
| Mercury | MR | 4 | 2004 |
| Thallium, Total | MR | 4 | 2004 |
| Surface Water Treatment Rule | TT | 3 | 1995 |
| Consumer Confidence Rule | Other | 2 | 2011 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.