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AMERICAN VALLEY CSD

California — Community Water System — PWSID: CA3210004

System Information

PWSIDCA3210004
System NameAMERICAN VALLEY CSD
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
CityQUINCY
ZIP Code95971
Address900 Spanish Creek Road
OrganizationNUNN, KATIE
Phone530-283-0836

Population & Service

Population Served3,778
Service Connections1,621

Drinking Water Violations (15)

This water system has 15 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
Jul 2, 2025 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Unaddressed — Lead and Copper Rule Revisions
Sep 1, 2019 Sep 30, 2019 Revised Total Coliform Rule MCL Yes No — — — Resolved Sep 25, 2019 Revised Total Coliform Rule
Sep 1, 2019 Sep 30, 2019 Revised Total Coliform Rule MCL Yes No — — — Resolved Sep 25, 2019 Revised Total Coliform Rule
Sep 1, 2019 Sep 30, 2019 Revised Total Coliform Rule MCL Yes No — — — Resolved Sep 25, 2019 Revised Total Coliform Rule
Jun 1, 2019 Jun 30, 2019 Revised Total Coliform Rule MCL Yes No — — — Resolved Jun 12, 2019 Revised Total Coliform Rule
Jun 1, 2019 Jun 30, 2019 Revised Total Coliform Rule MCL Yes No — — — Resolved Jun 12, 2019 Revised Total Coliform Rule
Jun 1, 2019 Jun 30, 2019 Revised Total Coliform Rule MCL Yes No — — — Resolved Jun 12, 2019 Revised Total Coliform Rule
Dec 1, 2012 Dec 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2012 Total Coliform Rule
Dec 1, 2012 Dec 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2012 Total Coliform Rule
Nov 1, 2009 Nov 30, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2009 Total Coliform Rule
Nov 1, 2009 Nov 30, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2009 Total Coliform Rule
Jun 1, 2007 Jun 30, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2007 Total Coliform Rule
Jun 1, 2007 Jun 30, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2007 Total Coliform Rule
Sep 1, 2002 Sep 30, 2002 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2002 Total Coliform Rule
Sep 1, 2002 Sep 30, 2002 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2002 Total Coliform Rule

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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