CITY OF GRIDLEY
California — Community Water System — PWSID: CA0410004
System Information
| PWSID | CA0410004 |
| System Name | CITY OF GRIDLEY |
| System Type | Community Water System |
| Water Source | Ground 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 | GRIDLEY |
| ZIP Code | 95948 |
| Address | 685 Kentucky Street |
| Organization | TANABE, JACOB |
| Phone | 530-846-5695 |
Population & Service
| Population Served | 7,269 |
| Service Connections | 2,282 |
Drinking Water Violations (11)
This water system has 11 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 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | TT | Yes | No | — | — | — | Unaddressed | — | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Unaddressed | — | Lead and Copper Rule Revisions |
| Oct 1, 2008 | Dec 31, 2008 | Arsenic | MCL | Yes | No | .0132 MG/L | 0.010 mg/L | .01 | Resolved | Dec 13, 2007 | Arsenic Rule |
| Oct 1, 2008 | Dec 31, 2008 | Arsenic | MCL | Yes | No | .0132 MG/L | 0.010 mg/L | .01 | Resolved | Dec 13, 2007 | Arsenic Rule |
| Jul 1, 2007 | Sep 30, 2007 | Arsenic | MCL | Yes | No | .0107 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2007 | Arsenic Rule |
| Jul 1, 2007 | Sep 30, 2007 | Arsenic | MCL | Yes | No | .0107 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2007 | Arsenic Rule |
| Jan 1, 2002 | Dec 31, 2002 | Nitrate | MR | No | No | — | 10 mg/L | — | Resolved | Dec 31, 2002 | Nitrate Rule |
| Jan 1, 2002 | Dec 31, 2002 | Nitrate | MR | No | No | — | 10 mg/L | — | Resolved | Dec 31, 2002 | Nitrate Rule |
| Mar 1, 1999 | Mar 31, 1999 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 1999 | Total Coliform Rule |
| Mar 1, 1999 | Mar 31, 1999 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 1999 | Total Coliform Rule |
| — | — | — | 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.