CITY OF GRASS VALLEY
California — Community Water System — PWSID: CA2910001
System Information
| PWSID | CA2910001 |
| System Name | CITY OF GRASS VALLEY |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | California |
| City | GRASS VALLEY |
| ZIP Code | 95945 |
| Address | 125 E. Main Street |
| Organization | VAN NOORT, TREVER |
| Phone | 530-274-4371 |
Population & Service
| Population Served | 4,947 |
| Service Connections | 2,731 |
Drinking Water Violations (3)
This water system has 3 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2019 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 26, 2020 | Lead and Copper Rule |
| Oct 1, 1988 | Oct 31, 1988 | Other | No | No | — | — | — | Archived | Oct 31, 1988 | Miscellaneous Other Rules | |
| — | — | — | No | No | — | — | — | — | — | — |
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.