OAKDALE, CITY OF
California — Community Water System — PWSID: CA5010014
System Information
| PWSID | CA5010014 |
| System Name | OAKDALE, CITY OF |
| 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 | OAKDALE |
| ZIP Code | 95361 |
| Address | 455 South Fifth Ave |
| Organization | ROBERTS, JEFF |
| Phone | 209-845-3600 |
Population & Service
| Population Served | 23,235 |
| Service Connections | 8,335 |
Drinking Water Violations (13)
This water system has 13 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2009 | Aug 31, 2009 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2009 | Total Coliform Rule |
| Aug 1, 2009 | Aug 31, 2009 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2009 | Total Coliform Rule |
| Jan 1, 2005 | Jan 31, 2005 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 31, 2005 | Total Coliform Rule |
| Jan 1, 2005 | Jan 31, 2005 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 31, 2005 | Total Coliform Rule |
| Nov 1, 1995 | Nov 30, 1995 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | Total Coliform Rule |
| Nov 1, 1995 | Nov 30, 1995 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | Total Coliform Rule |
| Jul 1, 1995 | Jul 31, 1995 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 1995 | Total Coliform Rule |
| Jul 1, 1995 | Jul 31, 1995 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 1995 | Total Coliform Rule |
| Mar 1, 1988 | Mar 31, 1988 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Archived | Mar 31, 1988 | Nitrate Rule |
| Mar 1, 1988 | Mar 31, 1988 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Archived | Mar 31, 1988 | Inorganic Chemicals |
| Mar 1, 1988 | Mar 31, 1988 | Selenium | MR | No | Yes | — | 0.05 mg/L | — | Archived | Mar 31, 1988 | Inorganic Chemicals |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | 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.