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HAMILTON AL

Washington — Non-Transient Non-Community — PWSID: WA5330705

System Information

PWSIDWA5330705
System NameHAMILTON AL
System TypeNon-Transient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedFeb 7, 1981
Last ReportedDec 11, 2025

Location & Contact

StateWashington
CityNapavine
ZIP Code98565
AddressPO Box 780
OrganizationHAMILTON AL
Phone—

Population & Service

Population Served1,807
Service Connections6

Drinking Water Violations (1,552)

This water system has 1,552 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
Mar 1, 2025 Mar 31, 2025 Revised Total Coliform Rule MON No No — — — Resolved Mar 31, 2025 Revised Total Coliform Rule
Apr 1, 2024 Apr 30, 2024 Revised Total Coliform Rule MON No No — — — Resolved Apr 30, 2024 Revised Total Coliform Rule
Oct 1, 2023 Oct 31, 2023 Revised Total Coliform Rule MON No No — — — Resolved Oct 31, 2023 Revised Total Coliform Rule
Oct 1, 2022 Oct 31, 2022 Revised Total Coliform Rule MON No No — — — Resolved Oct 31, 2022 Revised Total Coliform Rule
Feb 1, 2022 Feb 28, 2022 Revised Total Coliform Rule MON No No — — — Resolved Feb 28, 2022 Revised Total Coliform Rule
Feb 1, 2021 Feb 28, 2021 Revised Total Coliform Rule MON No No — — — Resolved Feb 28, 2021 Revised Total Coliform Rule
Jan 1, 2020 Dec 31, 2020 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2020 Nitrate Rule
Jan 1, 2020 Dec 31, 2020 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2020 Nitrate Rule
Dec 1, 2019 Dec 31, 2019 Revised Total Coliform Rule MON No No — — — Resolved Dec 31, 2019 Revised Total Coliform Rule
Jan 1, 2019 Jan 31, 2019 Revised Total Coliform Rule MON No No — — — Resolved Jan 31, 2019 Revised Total Coliform Rule
Jan 1, 2014 Dec 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Dec 31, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Dec 31, 2011 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2011 Nitrate Rule
Jan 1, 2011 Dec 31, 2011 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2011 Nitrate Rule
Jul 1, 2010 Sep 30, 2010 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Sep 30, 2010 Volatile Organic Chemicals
Jul 1, 2010 Sep 30, 2010 Benzene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2010 Volatile Organic Chemicals
Jul 1, 2010 Sep 30, 2010 Toluene MR No Yes — 1 mg/L — Resolved Sep 30, 2010 Volatile Organic Chemicals
Jul 1, 2010 Sep 30, 2010 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Sep 30, 2010 Volatile Organic Chemicals
Jul 1, 2010 Sep 30, 2010 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Sep 30, 2010 Volatile Organic Chemicals
Jul 1, 2010 Sep 30, 2010 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Sep 30, 2010 Volatile Organic Chemicals
Jul 1, 2010 Sep 30, 2010 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Sep 30, 2010 Volatile Organic Chemicals
Jul 1, 2010 Sep 30, 2010 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2010 Volatile Organic Chemicals
Jul 1, 2010 Sep 30, 2010 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2010 Volatile Organic Chemicals
Jul 1, 2010 Sep 30, 2010 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Sep 30, 2010 Volatile Organic Chemicals
Jul 1, 2010 Sep 30, 2010 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Sep 30, 2010 Volatile Organic Chemicals
Jul 1, 2010 Sep 30, 2010 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Sep 30, 2010 Volatile Organic Chemicals
Jul 1, 2010 Sep 30, 2010 Styrene MR No Yes — 0.1 mg/L — Resolved Sep 30, 2010 Volatile Organic Chemicals
Jul 1, 2010 Sep 30, 2010 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Sep 30, 2010 Volatile Organic Chemicals
Jul 1, 2010 Sep 30, 2010 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2010 Volatile Organic Chemicals
Jul 1, 2010 Sep 30, 2010 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Sep 30, 2010 Volatile Organic Chemicals
Jul 1, 2010 Sep 30, 2010 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Sep 30, 2010 Volatile Organic Chemicals
Jul 1, 2010 Sep 30, 2010 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2010 Volatile Organic Chemicals
Jul 1, 2010 Sep 30, 2010 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Sep 30, 2010 Volatile Organic Chemicals
Jul 1, 2010 Sep 30, 2010 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2010 Volatile Organic Chemicals
Oct 1, 2009 Dec 31, 2009 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Oct 1, 2009 Dec 31, 2009 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Oct 1, 2009 Dec 31, 2009 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Oct 1, 2009 Dec 31, 2009 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Oct 1, 2009 Dec 31, 2009 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Oct 1, 2009 Dec 31, 2009 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Oct 1, 2009 Dec 31, 2009 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Oct 1, 2009 Dec 31, 2009 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Oct 1, 2009 Dec 31, 2009 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Oct 1, 2009 Dec 31, 2009 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Oct 1, 2009 Dec 31, 2009 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Oct 1, 2009 Dec 31, 2009 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Oct 1, 2009 Dec 31, 2009 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Oct 1, 2009 Dec 31, 2009 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Oct 1, 2009 Dec 31, 2009 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals
Oct 1, 2009 Dec 31, 2009 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2009 Volatile Organic Chemicals

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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