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DUNSMUIR, CITY OF

California — Community Water System — PWSID: CA4710002

System Information

PWSIDCA4710002
System NameDUNSMUIR, 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
CityDUNSMUIR
ZIP Code96025
Address5915 Dunsmuir Ave.
OrganizationRIEF, DUSTIN
Phone530-235-4822

Population & Service

Population Served1,707
Service Connections1,187

Drinking Water Violations (20)

This water system has 20 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, 2019 — Revised Total Coliform Rule TT Yes No — — — Resolved Apr 30, 2019 Revised Total Coliform Rule
Apr 1, 2019 — Revised Total Coliform Rule TT Yes No — — — Resolved Apr 30, 2019 Revised Total Coliform Rule
Mar 1, 2019 — Revised Total Coliform Rule TT Yes No — — — Resolved May 10, 2019 Revised Total Coliform Rule
Mar 1, 2019 — Revised Total Coliform Rule TT Yes No — — — Resolved May 10, 2019 Revised Total Coliform Rule
Jan 10, 2016 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Feb 9, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 10, 2016 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Feb 9, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2015 Oct 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2015 Total Coliform Rule
Oct 1, 2015 Oct 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2015 Total Coliform Rule
Feb 1, 2012 Feb 29, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 2012 Total Coliform Rule
Feb 1, 2012 Feb 29, 2012 Groundwater Rule MR No Yes — — — Resolved Feb 29, 2012 Ground Water Rule
Feb 1, 2012 Feb 29, 2012 Groundwater Rule MR No Yes — — — Resolved Feb 29, 2012 Ground Water Rule
Feb 1, 2012 Nov 1, 2015 Other No No — — — Resolved Nov 1, 2015 Miscellaneous Other Rules
Feb 1, 2012 Nov 1, 2015 Other No No — — — Resolved Nov 1, 2015 Miscellaneous Other Rules
Feb 1, 2012 Feb 29, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 2012 Total Coliform Rule
Aug 1, 1992 Sep 30, 1992 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 1992 Total Coliform Rule
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —
— — — 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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