ALAMEDA COUNTY WATER DISTRICT

California - Community Water System - PWSID: CA0110001

System Information

PWSIDCA0110001
System NameALAMEDA COUNTY WATER DISTRICT
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedMar 22, 1979
Last ReportedMar 20, 2026

Location & Contact

StateCalifornia
CityFREMONT
ZIP Code94538-6348
Address43885 S. GRIMMER BLVD
OrganizationSTEVENSON, ED
Phone510-668-4200

Population & Service

Population Served344,000
Service Connections86,959

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
Apr 1, 1996 Apr 30, 1996 MCL Yes No - 5% of samples - Resolved Apr 30, 1996 -
Apr 1, 1996 Apr 30, 1996 MCL Yes No - 5% of samples - Resolved Apr 30, 1996 -
Jun 1, 1993 Jun 30, 1993 TT Yes No - - - Resolved Jun 30, 1993 -
Jun 1, 1993 Jun 30, 1993 TT Yes No - - - Resolved Jun 30, 1993 -
Sep 1, 1992 Sep 30, 1992 MR No No - 5% of samples - Resolved Sep 30, 1992 -
Sep 1, 1992 Sep 30, 1992 MR No No - 5% of samples - Resolved Sep 30, 1992 -
Sep 1, 1992 Sep 30, 1992 MR No No - 5% of samples - Resolved Sep 30, 1992 -
- - - 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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