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LAYTONVILLE COUNTY WATER DISTRICT

California — Community Water System — PWSID: CA2310011

System Information

PWSIDCA2310011
System NameLAYTONVILLE COUNTY WATER DISTRICT
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedJan 25, 1983
Last ReportedNov 17, 2025

Location & Contact

StateCalifornia
CityLAYTONVILLE
ZIP Code95454
AddressPO Box 32
OrganizationATHEY, TRACEY
Phone707-984-6444

Population & Service

Population Served1,152
Service Connections422

Drinking Water Violations (33)

This water system has 33 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
Jan 1, 2009 Mar 31, 2009 Arsenic MCL Yes No .0281 MG/L 0.010 mg/L .01 Resolved Mar 31, 2009 Arsenic Rule
Jan 1, 2009 Mar 31, 2009 Arsenic MCL Yes No .0281 MG/L 0.010 mg/L .01 Resolved Mar 31, 2009 Arsenic Rule
Oct 1, 2008 Dec 31, 2008 Arsenic MCL Yes No .0307 MG/L 0.010 mg/L .01 Resolved Dec 31, 2008 Arsenic Rule
Oct 1, 2008 Dec 31, 2008 Arsenic MCL Yes No .0307 MG/L 0.010 mg/L .01 Resolved Dec 31, 2008 Arsenic Rule
Jul 1, 2008 Sep 30, 2008 Arsenic MCL Yes No .0332 MG/L 0.010 mg/L .01 Resolved Sep 30, 2008 Arsenic Rule
Jul 1, 2008 Sep 30, 2008 Arsenic MCL Yes No .0332 MG/L 0.010 mg/L .01 Resolved Sep 30, 2008 Arsenic Rule
Apr 1, 2008 Jun 30, 2008 Arsenic MCL Yes No .0367 MG/L 0.010 mg/L .01 Resolved Jun 30, 2008 Arsenic Rule
Apr 1, 2008 Jun 30, 2008 Arsenic MCL Yes No .0367 MG/L 0.010 mg/L .01 Resolved Jun 30, 2008 Arsenic Rule
Jan 1, 2008 Mar 31, 2008 Arsenic MCL Yes No .0408 MG/L 0.010 mg/L .01 Resolved Mar 31, 2008 Arsenic Rule
Jan 1, 2008 Mar 31, 2008 Arsenic MCL Yes No .0408 MG/L 0.010 mg/L .01 Resolved Mar 31, 2008 Arsenic Rule
Oct 1, 2007 Dec 31, 2007 Arsenic MCL Yes No .0418 MG/L 0.010 mg/L .01 Resolved Dec 31, 2007 Arsenic Rule
Oct 1, 2007 Dec 31, 2007 Arsenic MCL Yes No .0418 MG/L 0.010 mg/L .01 Resolved Dec 31, 2007 Arsenic Rule
Jul 1, 2007 Sep 30, 2007 Arsenic MCL Yes No .0409 MG/L 0.010 mg/L .01 Resolved Sep 30, 2007 Arsenic Rule
Jul 1, 2007 Sep 30, 2007 Arsenic MCL Yes No .0409 MG/L 0.010 mg/L .01 Resolved Sep 30, 2007 Arsenic Rule
Apr 1, 2007 Jun 30, 2007 Arsenic MCL Yes No .0404 MG/L 0.010 mg/L .01 Resolved Jun 30, 2007 Arsenic Rule
Apr 1, 2007 Jun 30, 2007 Arsenic MCL Yes No .0404 MG/L 0.010 mg/L .01 Resolved Jun 30, 2007 Arsenic Rule
Jan 1, 2007 Mar 31, 2007 Arsenic MCL Yes No .0399 MG/L 0.010 mg/L .01 Resolved Mar 31, 2007 Arsenic Rule
Jan 1, 2007 Mar 31, 2007 Arsenic MCL Yes No .0399 MG/L 0.010 mg/L .01 Resolved Mar 31, 2007 Arsenic Rule
Nov 2, 2006 Nov 2, 2007 Nitrate MR No No — 10 mg/L — Resolved Nov 2, 2007 Nitrate Rule
Nov 2, 2006 Nov 2, 2007 Nitrate MR No No — 10 mg/L — Resolved Nov 2, 2007 Nitrate Rule
Oct 1, 2006 Dec 31, 2006 Arsenic MCL Yes No .0395 MG/L 0.010 mg/L .01 Resolved Dec 31, 2006 Arsenic Rule
Oct 1, 2006 Dec 31, 2006 Arsenic MCL Yes No .0395 MG/L 0.010 mg/L .01 Resolved Dec 31, 2006 Arsenic Rule
Jul 1, 2006 Sep 30, 2006 Arsenic MCL Yes No .039 MG/L 0.010 mg/L .01 Resolved Sep 30, 2006 Arsenic Rule
Jul 1, 2006 Sep 30, 2006 Arsenic MCL Yes No .039 MG/L 0.010 mg/L .01 Resolved Sep 30, 2006 Arsenic Rule
Apr 1, 2006 Jun 30, 2006 Arsenic MCL Yes No .039 MG/L 0.010 mg/L .01 Resolved Jun 30, 2006 Arsenic Rule
Apr 1, 2006 Jun 30, 2006 Arsenic MCL Yes No .039 MG/L 0.010 mg/L .01 Resolved Jun 30, 2006 Arsenic Rule
Jan 1, 2006 Mar 31, 2006 Arsenic MCL Yes No .04 MG/L 0.010 mg/L .01 Resolved Mar 31, 2006 Arsenic Rule
Jan 1, 2006 Mar 31, 2006 Arsenic MCL Yes No .04 MG/L 0.010 mg/L .01 Resolved Mar 31, 2006 Arsenic Rule
Jan 1, 2005 Dec 31, 2005 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Dec 31, 2005 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Dec 31, 2005 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Dec 31, 2005 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 1989 Apr 30, 1989 Other No No — — — Archived Apr 30, 1989 Miscellaneous Other Rules

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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