NPS-GRANT GROVE
California — Community Water System — PWSID: CA1010501
System Information
| PWSID | CA1010501 |
| System Name | NPS-GRANT GROVE |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | California |
| City | THREE RIVERS |
| ZIP Code | 93271 |
| Address | 47050 GENERALS HIGHWAY |
| Organization | AVUSUGLO-AHIA, BRIGHT |
| Phone | 559-565-3749 |
Population & Service
| Population Served | 2,950 |
| Service Connections | 100 |
Drinking Water Violations (9)
This water system has 9 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 2, 2025 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Unaddressed | — | Lead and Copper Rule Revisions |
| Jan 1, 2018 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 16, 2019 | Lead and Copper Rule |
| Jan 1, 2018 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 16, 2019 | Lead and Copper Rule |
| Jan 1, 2018 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 16, 2019 | Lead and Copper Rule |
| Jul 1, 2017 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 16, 2019 | Lead and Copper Rule |
| Jul 1, 2017 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 16, 2019 | Lead and Copper Rule |
| Jul 1, 2017 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 16, 2019 | Lead and Copper Rule |
| Jan 1, 2000 | Dec 31, 2000 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2000 | Nitrate Rule |
| Jan 1, 2000 | Dec 31, 2000 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2000 | Nitrate Rule |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.