UNIONTOWN WATER WORKS

Washington — Community Water System — PWSID: WA5390400

System Information

PWSID	WA5390400
System Name	UNIONTOWN WATER WORKS
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	Uniontown
ZIP Code	99179
Address	PO Box 87
Organization	UNIONTOWN WATER WORKS
Phone	—

Population & Service

Population Served	366
Service Connections	220

Drinking Water Violations (72)

This water system has 72 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 1, 2016	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Oct 26, 2016	Consumer Confidence 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
Dec 1, 2014	Dec 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2014	Total Coliform Rule
Jul 1, 2014	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Oct 23, 2014	Consumer Confidence Rule
Jan 1, 2014	Jan 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 2014	Total Coliform Rule
Jul 1, 2013	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Oct 11, 2013	Consumer Confidence Rule
Apr 1, 2008	Jun 30, 2008	Diquat	MR	No	Yes	—	0.02 mg/L	—	Archived	Jun 30, 2008	Synthetic Organic Chemicals
Oct 1, 2007	Dec 31, 2007	Diquat	MR	No	Yes	—	0.02 mg/L	—	Resolved	Dec 31, 2007	Synthetic Organic Chemicals
Oct 1, 2007	Dec 31, 2007	Diquat	MR	No	Yes	—	0.02 mg/L	—	Resolved	Dec 31, 2007	Synthetic Organic Chemicals
Oct 1, 2007	Dec 31, 2007	Diquat	MR	No	Yes	—	0.02 mg/L	—	Resolved	Dec 31, 2007	Synthetic Organic Chemicals
Oct 1, 2007	Dec 31, 2007	Diquat	MR	No	Yes	—	0.02 mg/L	—	Resolved	Dec 31, 2007	Synthetic Organic Chemicals
Oct 1, 2007	Dec 31, 2007	Diquat	MR	No	Yes	—	0.02 mg/L	—	Resolved	Dec 31, 2007	Synthetic Organic Chemicals
Jan 1, 2007	Mar 31, 2007	Nitrate	MCL	Yes	No	10.8 MG/L	10 mg/L	—	Resolved	Mar 31, 2007	Nitrate Rule
Jan 1, 2007	Mar 31, 2007	Nitrate	MCL	Yes	No	10.8 MG/L	10 mg/L	—	Resolved	Mar 31, 2007	Nitrate Rule
Jan 1, 2007	Mar 31, 2007	Nitrate	MCL	Yes	No	10.8 MG/L	10 mg/L	—	Resolved	Mar 31, 2007	Nitrate Rule
Jan 1, 2007	Mar 31, 2007	Nitrate	MCL	Yes	No	10.8 MG/L	10 mg/L	—	Resolved	Mar 31, 2007	Nitrate Rule
Jan 1, 2007	Mar 31, 2007	Nitrate	MCL	Yes	No	10.8 MG/L	10 mg/L	—	Resolved	Mar 31, 2007	Nitrate Rule
Jan 1, 2007	Mar 31, 2007	Nitrate	MCL	Yes	No	10.8 MG/L	10 mg/L	—	Resolved	Mar 31, 2007	Nitrate Rule
Jan 1, 2007	Mar 31, 2007	Nitrate	MCL	Yes	No	10.8 MG/L	10 mg/L	—	Resolved	Mar 31, 2007	Nitrate Rule
Jan 1, 2007	Mar 31, 2007	Nitrate	MCL	Yes	No	10.8 MG/L	10 mg/L	—	Resolved	Mar 31, 2007	Nitrate Rule
Jan 1, 2007	Mar 31, 2007	Nitrate	MCL	Yes	No	10.8 MG/L	10 mg/L	—	Resolved	Mar 31, 2007	Nitrate Rule
Jan 1, 2007	Mar 31, 2007	Nitrate	MCL	Yes	No	10.8 MG/L	10 mg/L	—	Resolved	Mar 31, 2007	Nitrate Rule
Jan 1, 2007	Mar 31, 2007	Nitrate	MCL	Yes	No	10.8 MG/L	10 mg/L	—	Resolved	Mar 31, 2007	Nitrate Rule
Jan 1, 2007	Mar 31, 2007	Nitrate	MCL	Yes	No	10.8 MG/L	10 mg/L	—	Resolved	Mar 31, 2007	Nitrate Rule
Apr 1, 2006	Jun 30, 2006	Nitrate	MCL	Yes	No	15.2 MG/L	10 mg/L	—	Resolved	Jun 30, 2006	Nitrate Rule
Apr 1, 2006	Jun 30, 2006	Nitrate	MCL	Yes	No	15.2 MG/L	10 mg/L	—	Resolved	Jun 30, 2006	Nitrate Rule
Apr 1, 2006	Jun 30, 2006	Nitrate	MCL	Yes	No	15.2 MG/L	10 mg/L	—	Resolved	Jun 30, 2006	Nitrate Rule
Apr 1, 2006	Jun 30, 2006	Nitrate	MCL	Yes	No	15.2 MG/L	10 mg/L	—	Resolved	Jun 30, 2006	Nitrate Rule
Apr 1, 2006	Jun 30, 2006	Nitrate	MCL	Yes	No	15.2 MG/L	10 mg/L	—	Resolved	Jun 30, 2006	Nitrate Rule
Apr 1, 2006	Jun 30, 2006	Nitrate	MCL	Yes	No	15.2 MG/L	10 mg/L	—	Resolved	Jun 30, 2006	Nitrate Rule
Jan 1, 2006	Mar 31, 2006	Nitrate	MCL	Yes	No	12 MG/L	10 mg/L	—	Resolved	Mar 31, 2006	Nitrate Rule
Jan 1, 2006	Mar 31, 2006	Nitrate	MCL	Yes	No	12 MG/L	10 mg/L	—	Resolved	Mar 31, 2006	Nitrate Rule
Dec 1, 2005	Dec 31, 2005	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Dec 31, 2005	Total Coliform Rule
Oct 1, 2005	Dec 31, 2005	Nitrate	MCL	Yes	No	10.7 MG/L	10 mg/L	—	Resolved	Dec 31, 2005	Nitrate Rule
Oct 1, 2005	Dec 31, 2005	Nitrate	MCL	Yes	No	10.7 MG/L	10 mg/L	—	Resolved	Dec 31, 2005	Nitrate Rule
Oct 1, 2005	Dec 31, 2005	Nitrate	MCL	Yes	No	10.7 MG/L	10 mg/L	—	Resolved	Dec 31, 2005	Nitrate Rule
Jul 1, 2005	Sep 30, 2005	Nitrate	MCL	Yes	No	11.7 MG/L	10 mg/L	—	Resolved	Sep 30, 2005	Nitrate Rule
Jul 1, 2005	Sep 30, 2005	Nitrate	MCL	Yes	No	10.2 MG/L	10 mg/L	—	Archived	Sep 30, 2005	Nitrate Rule
Jul 1, 2005	Sep 30, 2005	Nitrate	MCL	Yes	No	11.7 MG/L	10 mg/L	—	Resolved	Sep 30, 2005	Nitrate Rule
Jul 1, 2005	Sep 30, 2005	Nitrate	MCL	Yes	No	11.7 MG/L	10 mg/L	—	Resolved	Sep 30, 2005	Nitrate Rule
Apr 1, 2005	Jun 30, 2005	Nitrate	MCL	Yes	No	10.5 MG/L	10 mg/L	—	Archived	Jun 30, 2005	Nitrate Rule
Apr 1, 2005	Jun 30, 2005	Nitrate	MCL	Yes	No	10.2 MG/L	10 mg/L	—	Archived	Jun 30, 2005	Nitrate Rule
Apr 1, 2005	Jun 30, 2005	Nitrate	MCL	Yes	No	10.9 MG/L	10 mg/L	—	Resolved	Jun 30, 2005	Nitrate Rule
Apr 1, 2005	Jun 30, 2005	Nitrate	MCL	Yes	No	10.9 MG/L	10 mg/L	—	Resolved	Jun 30, 2005	Nitrate Rule
Apr 1, 2005	Jun 30, 2005	Nitrate	MCL	Yes	No	10.9 MG/L	10 mg/L	—	Resolved	Jun 30, 2005	Nitrate Rule
Jan 1, 2005	Mar 31, 2005	Nitrate	MCL	Yes	No	10.1 MG/L	10 mg/L	—	Archived	Mar 31, 2005	Nitrate Rule
Jan 1, 2005	Mar 31, 2005	Nitrate	MCL	Yes	No	10.01 MG/L	10 mg/L	—	Resolved	Mar 31, 2005	Nitrate Rule
Jan 1, 2005	Mar 31, 2005	Nitrate	MCL	Yes	No	10.01 MG/L	10 mg/L	—	Resolved	Mar 31, 2005	Nitrate Rule
Jan 1, 2005	Mar 31, 2005	Nitrate	MCL	Yes	No	10.01 MG/L	10 mg/L	—	Resolved	Mar 31, 2005	Nitrate Rule
Jan 1, 2005	Mar 31, 2005	Nitrate	MCL	Yes	No	10.8 MG/L	10 mg/L	—	Archived	Mar 31, 2005	Nitrate 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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