UPPER ARROYO HONDO MDWCA
PWS ID: NM3507829 · ARROYO HONDO, New Mexico 87513
Population Served
195
Total Violations
378
Health-Based Violations
187
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 65
- County
- Taos
- School/Daycare
- No
- MCL Violations
- 167
- Monitoring Violations
- 118
- Treatment Tech Violations
- 20
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Uranium | MCL | 132 | 2015 |
| Consumer Confidence Rule | Other | 46 | 2024 |
| Coliform (TCR) | MR | 36 | 2007 |
| Coliform (TCR) | MCL | 35 | 2009 |
| TTHM | MR | 28 | 2019 |
| Total Haloacetic Acids (HAA5) | MR | 28 | 2019 |
| Groundwater Rule | TT | 18 | 2023 |
| Public Notice | Other | 15 | 2022 |
| Chlorine | MR | 12 | 2022 |
| Revised Total Coliform Rule | MON | 10 | 2022 |
| Lead and Copper Rule | MR | 4 | 2017 |
| Groundwater Rule | Other | 2 | 2022 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 2 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.