THOREAU WATER & SANITATION DISTRICT
PWS ID: NM3508817 · THOREAU, New Mexico 87323
Population Served
1,173
Total Violations
117
Health-Based Violations
31
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 345
- County
- McKinley
- School/Daycare
- No
- MCL Violations
- 22
- Monitoring Violations
- 65
- Treatment Tech Violations
- 9
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 27 | 2019 |
| Combined Radium (-226 and -228) | MCL | 15 | 2014 |
| Total Haloacetic Acids (HAA5) | MR | 12 | 2015 |
| TTHM | MR | 12 | 2015 |
| Consumer Confidence Rule | Other | 7 | 2024 |
| Groundwater Rule | TT | 6 | 2024 |
| Lead and Copper Rule | MR | 6 | 2024 |
| Coliform (TCR) | MCL | 4 | 2006 |
| Asbestos | MR | 4 | 2011 |
| E. COLI | MR | 4 | 2017 |
| LEAD AND COPPER RULE REVISIONS | TT | 3 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 3 | 2024 |
| Gross Alpha, Excl. Radon and U | MCL | 3 | 1986 |
| Groundwater Rule | Other | 3 | 2024 |
| Public Notice | Other | 1 | 2016 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.