OAKDALE, CITY OF

California — Community Water System — PWSID: CA5010014

System Information

PWSIDCA5010014
System NameOAKDALE, CITY OF
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedMar 22, 1979
Last ReportedNov 17, 2025

Location & Contact

StateCalifornia
CityOAKDALE
ZIP Code95361
Address455 South Fifth Ave
OrganizationROBERTS, JEFF
Phone209-845-3600

Population & Service

Population Served23,235
Service Connections8,335

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.

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