KING COUNTY WATER DISTRICT #123

Washington — Community Water System — PWSID: WA5341996

System Information

PWSID	WA5341996
System Name	KING COUNTY WATER DISTRICT #123
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Local
EPA Region	10
Serves School	No
Wholesaler	Yes
First Reported	Feb 7, 1981
Last Reported	Dec 11, 2025

Location & Contact

State	Washington
City	Port Orchard
ZIP Code	98366
Address	PO Box 123
Organization	KING COUNTY WATER DISTRICT #123
Phone	—

Population & Service

Population Served	242
Service Connections	86

Drinking Water Violations (83)

This water system has 83 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
Oct 1, 2019	Oct 31, 2019	Revised Total Coliform Rule	MCL	Yes	No	—	—	—	Resolved	Oct 31, 2019	Revised Total Coliform Rule
Jul 1, 2016	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 8, 2016	Consumer Confidence Rule
Jan 1, 2007	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2007	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2007	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2007	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2007	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2007	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Feb 1, 2004	Feb 29, 2004	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Feb 29, 2004	Total Coliform Rule
Jan 1, 2004	Dec 31, 2004	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2004	Nitrate Rule
Nov 1, 2003	Nov 30, 2003	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Nov 30, 2003	Total Coliform Rule
Sep 1, 2003	Sep 30, 2003	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Sep 30, 2003	Total Coliform Rule
Jul 1, 2003	Jul 31, 2003	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 2003	Total Coliform Rule
Jan 1, 2002	Dec 31, 2004	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2004	Arsenic Rule
Jan 1, 2002	Dec 31, 2004	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2004	Arsenic Rule
Jan 1, 2002	Dec 31, 2004	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2004	Arsenic Rule
Jan 1, 2002	Dec 31, 2004	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2004	Arsenic Rule
Jan 1, 2002	Dec 31, 2004	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	CYANIDE	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Nickel	MR	No	Yes	—	—	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Nickel	MR	No	Yes	—	—	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Nickel	MR	No	Yes	—	—	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Nickel	MR	No	Yes	—	—	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	CYANIDE	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	CYANIDE	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	CYANIDE	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2004	Inorganic Chemicals
Jan 1, 2002	Dec 31, 2004	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2004	Inorganic 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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