LOWER DES MONTES MDWCA
PWS ID: NM3574729 · ARROYO SECO, New Mexico 87514
Population Served
319
Total Violations
172
Health-Based Violations
14
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 112
- County
- Taos
- School/Daycare
- No
- MCL Violations
- 7
- Monitoring Violations
- 88
- Treatment Tech Violations
- 7
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 49 | 2012 |
| Consumer Confidence Rule | Other | 24 | 2023 |
| Coliform (TCR) | Other | 17 | 1996 |
| TTHM | MR | 8 | 2019 |
| Total Haloacetic Acids (HAA5) | MR | 8 | 2019 |
| Revised Total Coliform Rule | MON | 8 | 2022 |
| Coliform (TCR) | MCL | 7 | 1997 |
| Chlorine | MR | 7 | 2022 |
| Nitrate-Nitrite | MR | 4 | 2005 |
| Groundwater Rule | TT | 4 | 2014 |
| Lead and Copper Rule | MR | 4 | 2021 |
| LEAD AND COPPER RULE REVISIONS | TT | 3 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 3 | 2024 |
| Public Notice | Other | 2 | 2015 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.