HORIZONS WEST

Washington — Community Water System — PWSID: WA5334375

System Information

PWSID	WA5334375
System Name	HORIZONS WEST
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Private
EPA Region	10
Serves School	No
Wholesaler	No
First Reported	Feb 7, 1981
Last Reported	Dec 11, 2025

Location & Contact

State	Washington
City	Tacoma
ZIP Code	98444
Address	PO Box 44168
Organization	HORIZONS WEST
Phone	—

Population & Service

Population Served	3,454
Service Connections	1,027

Drinking Water Violations (28)

This water system has 28 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, 2020	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jun 25, 2021	Consumer Confidence Rule
Oct 1, 2005	Oct 31, 2005	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 2005	Total Coliform Rule
Jan 1, 2002	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jul 16, 2004	Lead and Copper Rule
Jan 1, 2002	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jul 16, 2004	Lead and Copper Rule
Jan 1, 2002	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jul 16, 2004	Lead and Copper Rule
Jan 1, 2002	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jul 16, 2004	Lead and Copper Rule
Jan 1, 2002	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jul 16, 2004	Lead and Copper Rule
Jan 1, 2002	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jul 16, 2004	Lead and Copper Rule
Jan 1, 2002	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jul 16, 2004	Lead and Copper Rule
Jan 1, 1998	Jan 1, 1999	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jan 1, 1999	Lead and Copper Rule
Jul 1, 1994	Jan 1, 1996	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jan 1, 1996	Lead and Copper Rule
Jul 1, 1994	Jan 1, 1996	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jan 1, 1996	Lead and Copper Rule
Mar 1, 1993	Mar 31, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Mar 31, 1993	Total Coliform Rule
Mar 1, 1993	Mar 31, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Mar 31, 1993	Total Coliform Rule
Sep 1, 1992	Sep 30, 1992	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Sep 30, 1992	Total Coliform Rule
Sep 1, 1992	Sep 30, 1992	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Sep 30, 1992	Total Coliform Rule
Mar 1, 1992	Mar 31, 1992	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Mar 31, 1992	Total Coliform Rule
Mar 1, 1992	Mar 31, 1992	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Mar 31, 1992	Total Coliform Rule
Oct 1, 1979	Oct 31, 1979	Fluoride	MR	No	No	—	4.0 mg/L	—	Archived	Oct 31, 1979	Inorganic Chemicals
Oct 1, 1979	Oct 31, 1979	Gross Alpha, Excl. Radon and U	MR	No	No	—	15 pCi/L	—	Archived	Oct 31, 1979	Radionuclides and Revised Rad Rule
Oct 1, 1979	Oct 31, 1979	Nitrate	MR	No	No	—	10 mg/L	—	Archived	Oct 31, 1979	Nitrate Rule
Oct 1, 1979	Oct 31, 1979	Selenium	MR	No	No	—	0.05 mg/L	—	Archived	Oct 31, 1979	Inorganic Chemicals
Oct 1, 1979	Oct 31, 1979	Chromium	MR	No	No	—	0.1 mg/L	—	Archived	Oct 31, 1979	Inorganic Chemicals
Oct 1, 1979	Oct 31, 1979	Cadmium	MR	No	No	—	0.005 mg/L	—	Archived	Oct 31, 1979	Inorganic Chemicals
Oct 1, 1979	Oct 31, 1979	Barium	MR	No	No	—	2 mg/L	—	Archived	Oct 31, 1979	Inorganic Chemicals
Oct 1, 1979	Oct 31, 1979	Mercury	MR	No	No	—	0.002 mg/L	—	Archived	Oct 31, 1979	Inorganic Chemicals
Oct 1, 1979	Oct 31, 1979	Arsenic	MR	No	No	—	0.010 mg/L	—	Archived	Oct 31, 1979	Arsenic Rule
—	—		—	No	No	—	—	—	—	—	—

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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