NORTH PENINSULA

Washington — Community Water System — PWSID: WA5305122

System Information

PWSID	WA5305122
System Name	NORTH PENINSULA
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	May 23, 1996
Last Reported	Dec 11, 2025

Location & Contact

State	Washington
City	Poulsbo
ZIP Code	98370
Address	PO Box 2910
Organization	NORTH PENINSULA
Phone	—

Population & Service

Population Served	16,449
Service Connections	5,720

Drinking Water Violations (29)

This water system has 29 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, 2024	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Feb 24, 2025	Consumer Confidence Rule
Jul 1, 2011	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Oct 19, 2011	Consumer Confidence Rule
Oct 1, 2006	Dec 31, 2006	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2006	Arsenic Rule
Oct 1, 2006	Dec 31, 2006	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2006	Arsenic Rule
Oct 1, 2006	Dec 31, 2006	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2006	Arsenic Rule
Oct 1, 2006	Dec 31, 2006	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2006	Arsenic Rule
Oct 1, 2006	Dec 31, 2006	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2006	Arsenic Rule
Oct 1, 2006	Dec 31, 2006	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2006	Arsenic Rule
Oct 1, 2006	Dec 31, 2006	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2006	Arsenic Rule
Oct 1, 2006	Dec 31, 2006	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2006	Arsenic Rule
Oct 1, 2006	Dec 31, 2006	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2006	Arsenic Rule
Oct 1, 2006	Dec 31, 2006	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2006	Arsenic Rule
Jul 1, 2006	Sep 30, 2006	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2006	Arsenic Rule
Jul 1, 2006	Sep 30, 2006	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2006	Arsenic Rule
Jul 1, 2006	Sep 30, 2006	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2006	Arsenic Rule
Jul 1, 2006	Sep 30, 2006	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2006	Arsenic Rule
Oct 1, 2005	Oct 31, 2005	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 2005	Total Coliform Rule
Jun 1, 2000	Jun 30, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 2000	Total Coliform Rule
Jun 1, 2000	Jun 30, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 2000	Total Coliform Rule
Jun 1, 2000	Jun 30, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 2000	Total Coliform Rule
Nov 1, 1999	Nov 30, 1999	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 1999	Total Coliform Rule
Nov 1, 1999	Nov 30, 1999	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 1999	Total Coliform Rule
Nov 1, 1999	Nov 30, 1999	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 1999	Total Coliform Rule
Jun 1, 1998	Jun 30, 1998	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 1998	Total Coliform Rule
Jun 1, 1998	Jun 30, 1998	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 1998	Total Coliform Rule
Jun 1, 1998	Jun 30, 1998	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 1998	Total Coliform Rule
Jul 1, 1997	Jul 31, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 1997	Total Coliform Rule
Jul 1, 1997	Jul 31, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 1997	Total Coliform Rule
Jul 1, 1997	Jul 31, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 1997	Total Coliform 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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