SUMMIT WATER & SUPPLY CO

Washington — Community Water System — PWSID: WA5385050

System Information

PWSID	WA5385050
System Name	SUMMIT WATER & SUPPLY CO
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Private
EPA Region	10
Serves School	No
Wholesaler	Yes
First Reported	Feb 7, 1981
Last Reported	Dec 11, 2025

Location & Contact

State	Washington
City	Tacoma
ZIP Code	98446
Address	9701 50th AVE E
Organization	SUMMIT WATER & SUPPLY CO
Phone	—

Population & Service

Population Served	16,109
Service Connections	6,876

Drinking Water Violations (20)

This water system has 20 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, 2018	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Oct 9, 2018	Consumer Confidence Rule
Jan 1, 2013	Dec 31, 2013	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2013	Nitrate Rule
Jul 1, 2010	Jul 31, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2010	Total Coliform Rule
Jan 1, 2003	Dec 31, 2003	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2003	Nitrate Rule
Nov 1, 1998	Nov 30, 1998	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 1998	Total Coliform Rule
Nov 1, 1998	Nov 30, 1998	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 1998	Total Coliform Rule
Nov 1, 1998	Nov 30, 1998	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 1998	Total Coliform Rule
Apr 1, 1996	Apr 30, 1996	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Apr 30, 1996	Total Coliform Rule
Oct 19, 1994	Nov 18, 1994	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Nov 18, 1994	Total Coliform Rule
Jul 1, 1994	Jul 31, 1994	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 1994	Total Coliform Rule
Apr 1, 1994	Apr 30, 1994	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Apr 30, 1994	Total Coliform Rule
May 1, 1993	May 31, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	May 31, 1993	Total Coliform Rule
May 1, 1993	May 31, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	May 31, 1993	Total Coliform Rule
Apr 1, 1993	Apr 30, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Apr 30, 1993	Total Coliform Rule
Apr 1, 1993	Apr 30, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Apr 30, 1993	Total Coliform Rule
Nov 1, 1992	Nov 30, 1992	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Nov 30, 1992	Total Coliform Rule
Nov 1, 1992	Nov 30, 1992	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Nov 30, 1992	Total Coliform Rule
Oct 1, 1992	Oct 31, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1992	Total Coliform Rule
Oct 1, 1992	Oct 31, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1992	Total Coliform Rule
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

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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