MABTON CITY OF

Washington — Community Water System — PWSID: WA5349650

System Information

PWSID	WA5349650
System Name	MABTON CITY OF
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Local
EPA Region	10
Serves School	No
Wholesaler	No
First Reported	Feb 7, 1981
Last Reported	Dec 11, 2025

Location & Contact

State	Washington
City	Mabton
ZIP Code	98935
Address	PO Box 655
Organization	MABTON CITY OF
Phone	—

Population & Service

Population Served	2,150
Service Connections	636

Drinking Water Violations (172)

This water system has 172 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
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	Yes	—	—	—	Resolved	Feb 28, 2021	Revised Total Coliform Rule
May 1, 2020	May 31, 2020	Revised Total Coliform Rule	MON	No	No	—	—	—	Resolved	May 31, 2020	Revised Total Coliform Rule
Jul 1, 2019	Sep 30, 2019	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2019	Arsenic Rule
Aug 1, 2018	Aug 31, 2018	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Aug 31, 2018	Revised Total Coliform Rule
Jul 1, 2018	Jul 31, 2018	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jul 31, 2018	Revised Total Coliform Rule
Jun 1, 2018	Jun 30, 2018	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jun 30, 2018	Revised Total Coliform Rule
Jan 1, 2018	Dec 31, 2018	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2018	Nitrate Rule
Jan 1, 2016	Dec 31, 2016	Total Haloacetic Acids (HAA5)	MR	No	Yes	—	0.060 mg/L	—	Resolved	Dec 31, 2016	Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016	Dec 31, 2016	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2016	Nitrate Rule
Jan 1, 2016	Dec 31, 2016	TTHM	MR	No	Yes	—	0.080 mg/L	—	Resolved	Dec 31, 2016	Stage 2 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2015	Nov 30, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2015	Total Coliform Rule
Apr 1, 2014	Jun 30, 2014	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Jun 30, 2014	Nitrate Rule
Jan 1, 2014	Mar 31, 2014	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Mar 31, 2014	Nitrate Rule
Jul 1, 2010	Jul 31, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2010	Total Coliform Rule
Apr 1, 2008	Jun 30, 2008	Diquat	MR	No	Yes	—	0.02 mg/L	—	Archived	Jun 30, 2008	Synthetic Organic Chemicals
Apr 1, 2008	Jun 30, 2008	1,2-DIBROMO-3-CHLOROPROPANE	MR	No	Yes	—	0.0002 mg/L	—	Archived	Jun 30, 2008	Synthetic Organic Chemicals
Apr 1, 2008	Jun 30, 2008	ETHYLENE DIBROMIDE	MR	No	Yes	—	0.00005 mg/L	—	Archived	Jun 30, 2008	Synthetic Organic Chemicals
Jan 1, 2006	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2006	Lead and Copper Rule
Jan 1, 2006	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2006	Lead and Copper Rule
Jan 1, 2006	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2006	Lead and Copper Rule
Jan 1, 2006	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2006	Lead and Copper Rule
Jan 1, 2006	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2006	Lead and Copper Rule
Jan 1, 2006	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2006	Lead and Copper Rule
Jan 1, 2006	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2006	Lead and Copper Rule
Jan 1, 2006	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2006	Lead and Copper Rule
Jan 1, 2006	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2006	Lead and Copper Rule
Jan 1, 2006	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2006	Lead and Copper Rule
Jan 1, 2006	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2006	Lead and Copper Rule
Jan 1, 2005	Dec 31, 2007	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2007	Arsenic Rule
Jan 1, 2005	Dec 31, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2007	Arsenic Rule
Jan 1, 2005	Dec 31, 2007	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2007	Arsenic Rule
Jan 1, 2005	Dec 31, 2007	Beryllium, Total	MR	No	Yes	—	0.004 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2006	Lead and Copper Rule
Jan 1, 2005	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2006	Lead and Copper Rule
Jan 1, 2005	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2006	Lead and Copper Rule
Jan 1, 2005	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2006	Lead and Copper Rule
Jan 1, 2005	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2006	Lead and Copper Rule
Jan 1, 2005	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2006	Lead and Copper Rule
Jan 1, 2005	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2006	Lead and Copper 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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