NORTH MASON HIGH SCHOOL

Washington — Non-Transient Non-Community — PWSID: WA5360745

System Information

PWSID	WA5360745
System Name	NORTH MASON HIGH SCHOOL
System Type	Non-Transient Non-Community
Water Source	Ground Water
Activity Status	Active
Owner Type	Local
EPA Region	10
Serves School	Yes
Wholesaler	No
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	NORTH MASON HIGH SCHOOL
Phone	—

Population & Service

Population Served	1,300
Service Connections	9

Drinking Water Violations (365)

This water system has 365 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
Mar 1, 2024	Mar 31, 2024	Revised Total Coliform Rule	MON	No	No	—	—	—	Resolved	Mar 31, 2024	Revised Total Coliform Rule
Dec 1, 2023	Dec 31, 2023	Revised Total Coliform Rule	MON	No	No	—	—	—	Resolved	Dec 31, 2023	Revised Total Coliform Rule
Jan 1, 2014	Dec 31, 2014	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2014	Nitrate Rule
Jan 1, 2014	Dec 31, 2014	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2014	Nitrate Rule
Jun 1, 2012	Jun 30, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 2012	Total Coliform Rule
May 1, 2012	May 31, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	May 31, 2012	Total Coliform Rule
Jan 1, 2010	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 26, 2013	Lead and Copper Rule
Jan 1, 2007	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2007	Lead and Copper Rule
Jan 1, 2007	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2007	Lead and Copper Rule
Jan 1, 2007	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2007	Lead and Copper Rule
Jan 1, 2007	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2007	Lead and Copper Rule
Jan 1, 2007	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2007	Lead and Copper 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	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2007	Lead and Copper Rule
Jan 1, 2007	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2007	Lead and Copper Rule
Jan 1, 2007	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2007	Lead and Copper 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
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	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2007	Lead and Copper Rule
Nov 1, 2005	Nov 30, 2005	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 2005	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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