Happy Valley Cooperative Water Works
PWSID: NM3520708
System Details
| Population Served | 638 |
| Service Connections | 240 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Private |
| Status | Active |
| City | Carlsbad |
| Zip Code | 88220 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0026 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0022 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0022 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0015 mg/L | 0.015 mg/L | Below Action Level |
5 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-01 | | Open |
| | 2025-07-01 | | Open |
| | 2024-10-17 | | Open |
| | 2024-10-17 | Yes | Open |
| | 2024-10-01 | | Open |
Violation History (28 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2024-07-01 | | Returned to Compliance |
| | 2023-07-01 | | Returned to Compliance |
| | 2023-07-01 | | Returned to Compliance |
| | 2022-07-01 | | Returned to Compliance |
| | 2022-07-01 | | Returned to Compliance |
| | 2021-09-01 | Major | Returned to Compliance |
| | 2021-07-01 | Major | Returned to Compliance |
| | 2020-06-14 | | Returned to Compliance |
| | 2018-11-10 | | Returned to Compliance |
| | 2018-11-01 | Major | Returned to Compliance |
| | 2018-10-01 | | Returned to Compliance |
| | 2018-10-01 | Major | Returned to Compliance |
| | 2016-09-01 | Major | Returned to Compliance |
| | 2016-09-01 | Major | Returned to Compliance |
| | 2016-02-12 | | Returned to Compliance |
| | 2015-09-18 | Major | Returned to Compliance |
| | 2014-10-01 | | Returned to Compliance |
| | 2014-09-01 | Major | Returned to Compliance |
| | 2014-09-01 | Major | Returned to Compliance |
| | 2013-10-01 | | Returned to Compliance |
| | 2012-07-01 | | Returned to Compliance |
| | 2012-07-01 | | Returned to Compliance |
| | 1999-10-19 | | Returned to Compliance |