HAT ISLAND COMMUNITY INC

Washington — Community Water System — PWSID: WA5331593

System Information

PWSID	WA5331593
System Name	HAT ISLAND COMMUNITY INC
System Type	Community Water System
Water Source	Surface 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	Everett
ZIP Code	98201
Address	3616 Colby Ave PMB 335
Organization	HAT ISLAND COMMUNITY INC
Phone	—

Population & Service

Population Served	348
Service Connections	293

Drinking Water Violations (323)

This water system has 323 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 25, 2025	Consumer Confidence Rule
Jul 1, 2020	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jun 9, 2022	Consumer Confidence Rule
Jul 1, 2015	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Sep 14, 2015	Consumer Confidence Rule
Jan 1, 2014	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jan 4, 2017	Lead and Copper Rule
Jul 1, 2012	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Oct 25, 2012	Consumer Confidence Rule
Oct 1, 2008	Dec 31, 2008	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2008	Arsenic Rule
Oct 1, 2008	Dec 31, 2008	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2008	Arsenic Rule
Oct 1, 2008	Dec 31, 2008	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2008	Arsenic Rule
Oct 1, 2008	Dec 31, 2008	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2008	Arsenic Rule
Oct 1, 2008	Dec 31, 2008	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2008	Jun 30, 2008	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2008	Arsenic Rule
Apr 1, 2007	Jun 30, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2007	Arsenic Rule
Apr 1, 2007	Jun 30, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2007	Arsenic Rule
Apr 1, 2007	Jun 30, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2007	Arsenic Rule
Apr 1, 2007	Jun 30, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2007	Arsenic Rule
Apr 1, 2007	Jun 30, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2007	Arsenic Rule
Apr 1, 2007	Jun 30, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2007	Arsenic Rule
Apr 1, 2007	Jun 30, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2007	Arsenic Rule
Apr 1, 2007	Jun 30, 2007	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2007	Arsenic 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
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
Oct 1, 2006	Oct 31, 2006	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 2006	Total Coliform Rule
Sep 1, 2006	Sep 30, 2006	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Sep 30, 2006	Total Coliform Rule
Apr 1, 2005	Jun 30, 2005	1,2-Dichloroethane	MR	No	Yes	—	0.005 mg/L	—	Resolved	Jun 30, 2005	Volatile Organic Chemicals
Apr 1, 2005	Jun 30, 2005	1,2-Dichloroethane	MR	No	Yes	—	0.005 mg/L	—	Resolved	Jun 30, 2005	Volatile Organic Chemicals
Apr 1, 2005	Jun 30, 2005	1,2-Dichloroethane	MR	No	Yes	—	0.005 mg/L	—	Resolved	Jun 30, 2005	Volatile Organic Chemicals
Apr 1, 2005	Jun 30, 2005	Toluene	MR	No	Yes	—	1 mg/L	—	Resolved	Jun 30, 2005	Volatile Organic Chemicals
Apr 1, 2005	Jun 30, 2005	1,1,2-Trichloroethane	MR	No	Yes	—	0.005 mg/L	—	Resolved	Jun 30, 2005	Volatile Organic Chemicals
Apr 1, 2005	Jun 30, 2005	Toluene	MR	No	Yes	—	1 mg/L	—	Resolved	Jun 30, 2005	Volatile Organic Chemicals
Apr 1, 2005	Jun 30, 2005	Ethylbenzene	MR	No	Yes	—	0.7 mg/L	—	Resolved	Jun 30, 2005	Volatile Organic Chemicals
Apr 1, 2005	Jun 30, 2005	Toluene	MR	No	Yes	—	1 mg/L	—	Resolved	Jun 30, 2005	Volatile Organic Chemicals
Apr 1, 2005	Jun 30, 2005	1,1,2-Trichloroethane	MR	No	Yes	—	0.005 mg/L	—	Resolved	Jun 30, 2005	Volatile Organic Chemicals
Apr 1, 2005	Jun 30, 2005	Toluene	MR	No	Yes	—	1 mg/L	—	Resolved	Jun 30, 2005	Volatile Organic Chemicals
Apr 1, 2005	Jun 30, 2005	1,1,2-Trichloroethane	MR	No	Yes	—	0.005 mg/L	—	Resolved	Jun 30, 2005	Volatile Organic Chemicals
Apr 1, 2005	Jun 30, 2005	Toluene	MR	No	Yes	—	1 mg/L	—	Resolved	Jun 30, 2005	Volatile Organic Chemicals
Apr 1, 2005	Jun 30, 2005	Toluene	MR	No	Yes	—	1 mg/L	—	Resolved	Jun 30, 2005	Volatile Organic Chemicals
Apr 1, 2005	Jun 30, 2005	1,1,2-Trichloroethane	MR	No	Yes	—	0.005 mg/L	—	Resolved	Jun 30, 2005	Volatile Organic 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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