HAPPY VALLEY COOPERATIVE WATER WORKS
PWS ID: NM3520708 · CARLSBAD, New Mexico 88220
Population Served
638
Total Violations
98
Health-Based Violations
2
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 240
- County
- Eddy
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 70
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 18 | 2025 |
| Coliform (TCR) | MR | 12 | 2013 |
| Chlorine | MR | 12 | 2021 |
| Revised Total Coliform Rule | MON | 8 | 2021 |
| Lead and Copper Rule | MR | 8 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 8 | 2016 |
| TTHM | MR | 8 | 2016 |
| E. COLI | MR | 4 | 2015 |
| Public Notice | Other | 3 | 2020 |
| Asbestos | MR | 2 | 2002 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 2 | 2024 |
| Mercury | MR | 1 | 1983 |
| Selenium | MR | 1 | 1983 |
| Chromium | MR | 1 | 1983 |
| Barium | MR | 1 | 1983 |
| Cadmium | MR | 1 | 1983 |
| Nitrate | MR | 1 | 1983 |
| Fluoride | MR | 1 | 1983 |
| Arsenic | MR | 1 | 1983 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.