HIGH SIERRA ESTATES WATER ASSN
PWS ID: NM3580514 · ALTO, New Mexico 88312
Population Served
98
Total Violations
115
Health-Based Violations
37
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 46
- County
- Lincoln
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 47
- Treatment Tech Violations
- 32
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Groundwater Rule | TT | 32 | 2017 |
| Coliform (TCR) | MR | 17 | 2010 |
| Consumer Confidence Rule | Other | 16 | 2021 |
| Lead and Copper Rule | MR | 9 | 2014 |
| Chlorine | MR | 9 | 2017 |
| Public Notice | Other | 7 | 2020 |
| Coliform (TCR) | MCL | 5 | 2005 |
| Asbestos | MR | 4 | 2020 |
| E. COLI | MR | 4 | 2010 |
| Revised Total Coliform Rule | Other | 4 | 2016 |
| Revised Total Coliform Rule | MON | 4 | 2016 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.