ARROYO SECO MDWCA
PWS ID: NM3505529 · ARROYO SECO, New Mexico 87514
Population Served
444
Total Violations
182
Health-Based Violations
19
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 182
- County
- Taos
- School/Daycare
- No
- MCL Violations
- 16
- Monitoring Violations
- 76
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 49 | 2025 |
| Coliform (TCR) | MR | 41 | 2006 |
| Coliform (TCR) | MCL | 16 | 2002 |
| Total Haloacetic Acids (HAA5) | MR | 12 | 2022 |
| TTHM | MR | 12 | 2022 |
| Lead and Copper Rule | MR | 8 | 2015 |
| Coliform (TCR) | Other | 7 | 1994 |
| LEAD AND COPPER RULE REVISIONS | RPT | 3 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 3 | 2024 |
| Public Notice | Other | 2 | 2007 |
| ETHYLENE DIBROMIDE | MR | 2 | 2005 |
| Coliform (Pre-TCR) | Other | 2 | 1990 |
| Nitrate | MR | 1 | 2000 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.