MADRONA BEACH COMM WATER SYSTEM

Washington — Community Water System — PWSID: WA5349954

System Information

PWSID	WA5349954
System Name	MADRONA BEACH COMM WATER SYSTEM
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	STANWOOD
ZIP Code	98292-6309
Address	PO BOX 2680
Organization	MADRONA BEACH COMM WATER SYSTEM
Phone	—

Population & Service

Population Served	539
Service Connections	292

Drinking Water Violations (39)

This water system has 39 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, 2025	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Sep 27, 2025	Consumer Confidence Rule
Jul 1, 2024	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Sep 20, 2024	Consumer Confidence Rule
Jul 1, 2023	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Sep 29, 2023	Consumer Confidence Rule
Oct 1, 2011	Dec 31, 2011	Arsenic	MCL	Yes	No	.0109 MG/L	0.010 mg/L	—	Resolved	Dec 31, 2011	Arsenic Rule
Jan 1, 2010	Mar 31, 2010	Arsenic	MCL	Yes	No	.0118 MG/L	0.010 mg/L	—	Resolved	Mar 31, 2010	Arsenic Rule
Jan 1, 2009	Mar 31, 2009	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2009	Arsenic Rule
Jan 1, 2009	Mar 31, 2009	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2009	Arsenic Rule
Jan 1, 2009	Mar 31, 2009	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2009	Arsenic Rule
Jan 1, 2009	Mar 31, 2009	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2009	Arsenic Rule
Jan 1, 2008	Dec 31, 2010	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2010	Inorganic Chemicals
Jan 1, 2008	Dec 31, 2010	CYANIDE	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2010	Inorganic Chemicals
Jan 1, 2008	Dec 31, 2010	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Dec 31, 2010	Inorganic Chemicals
Jan 1, 2008	Dec 31, 2010	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2010	Inorganic Chemicals
Jan 1, 2008	Dec 31, 2010	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2010	Inorganic Chemicals
Jan 1, 2008	Dec 31, 2010	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2010	Inorganic Chemicals
Jan 1, 2008	Dec 31, 2010	Beryllium, Total	MR	No	Yes	—	0.004 mg/L	—	Resolved	Dec 31, 2010	Inorganic Chemicals
Jan 1, 2008	Dec 31, 2010	Antimony, Total	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 2010	Inorganic Chemicals
Jan 1, 2008	Dec 31, 2010	Nickel	MR	No	Yes	—	—	—	Resolved	Dec 31, 2010	Inorganic Chemicals
Jan 1, 2008	Dec 31, 2010	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2010	Inorganic Chemicals
Jan 1, 2008	Dec 31, 2010	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2010	Inorganic Chemicals
Feb 1, 2006	Feb 28, 2006	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Feb 28, 2006	Total Coliform Rule
Jan 1, 2005	Dec 31, 2007	Nickel	MR	No	Yes	—	—	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Diquat	MR	No	Yes	—	0.02 mg/L	—	Resolved	Dec 31, 2007	Synthetic Organic Chemicals
Jan 1, 2005	Dec 31, 2007	Diquat	MR	No	Yes	—	0.02 mg/L	—	Resolved	Dec 31, 2007	Synthetic Organic Chemicals
Jan 1, 2005	Dec 31, 2007	CYANIDE	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Diquat	MR	No	Yes	—	0.02 mg/L	—	Resolved	Dec 31, 2007	Synthetic Organic Chemicals
Jan 1, 2005	Dec 31, 2007	Diquat	MR	No	Yes	—	0.02 mg/L	—	Resolved	Dec 31, 2007	Synthetic Organic Chemicals
Jan 1, 2005	Dec 31, 2007	Diquat	MR	No	Yes	—	0.02 mg/L	—	Resolved	Dec 31, 2007	Synthetic Organic 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	Fluoride	MR	No	Yes	—	4.0 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	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Beryllium, Total	MR	No	Yes	—	0.004 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Jan 1, 2005	Dec 31, 2007	Antimony, Total	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 2007	Inorganic Chemicals
Sep 1, 1993	Sep 30, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Sep 30, 1993	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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