HARMONY GRADE SCHOOL

Washington — Non-Transient Non-Community — PWSID: WA5331355

System Information

PWSID	WA5331355
System Name	HARMONY GRADE SCHOOL
System Type	Non-Transient Non-Community
Water Source	Ground Water
Activity Status	Active
Owner Type	Private
EPA Region	10
Serves School	Yes
Wholesaler	No
First Reported	Feb 7, 1981
Last Reported	Dec 11, 2025

Location & Contact

State	Washington
City	Deming
ZIP Code	98244
Address	PO Box 95
Organization	HARMONY GRADE SCHOOL
Phone	—

Population & Service

Population Served	325
Service Connections	1

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
Jan 1, 2022	Dec 31, 2022	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2022	Nitrate Rule
Jan 1, 2020	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 14, 2023	Lead and Copper Rule
Jan 1, 2020	Dec 31, 2022	TTHM	MR	No	Yes	—	0.080 mg/L	—	Resolved	Dec 31, 2022	Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020	Dec 31, 2022	Total Haloacetic Acids (HAA5)	MR	No	Yes	—	0.060 mg/L	—	Resolved	Dec 31, 2022	Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019	Dec 31, 2021	TTHM	MR	No	Yes	—	0.080 mg/L	—	Resolved	Dec 31, 2021	Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019	Dec 31, 2021	Total Haloacetic Acids (HAA5)	MR	No	Yes	—	0.060 mg/L	—	Resolved	Dec 31, 2021	Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014	Dec 31, 2014	Total Haloacetic Acids (HAA5)	MR	No	Yes	—	0.060 mg/L	—	Resolved	Dec 31, 2014	Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014	Dec 31, 2014	TTHM	MR	No	Yes	—	0.080 mg/L	—	Resolved	Dec 31, 2014	Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014	Sep 30, 2014	Total Haloacetic Acids (HAA5)	MR	No	Yes	—	0.060 mg/L	—	Resolved	Sep 30, 2014	Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014	Sep 30, 2014	TTHM	MR	No	Yes	—	0.080 mg/L	—	Resolved	Sep 30, 2014	Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014	Jun 30, 2014	Total Haloacetic Acids (HAA5)	MR	No	Yes	—	0.060 mg/L	—	Resolved	Jun 30, 2014	Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014	Jun 30, 2014	TTHM	MR	No	Yes	—	0.080 mg/L	—	Resolved	Jun 30, 2014	Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014	Dec 31, 2022	Picloram	MR	No	Yes	—	0.5 mg/L	—	Resolved	Dec 31, 2022	Synthetic Organic Chemicals
Jan 1, 2014	Dec 31, 2022	2,4,5-TP	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2022	Synthetic Organic Chemicals
Jan 1, 2014	Dec 31, 2022	Dalapon	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2022	Synthetic Organic Chemicals
Jan 1, 2014	Dec 31, 2022	Pentachlorophenol	MR	No	Yes	—	0.001 mg/L	—	Resolved	Dec 31, 2022	Synthetic Organic Chemicals
Jan 1, 2014	Dec 31, 2022	Dinoseb	MR	No	Yes	—	0.007 mg/L	—	Resolved	Dec 31, 2022	Synthetic Organic Chemicals
Dec 1, 2005	Dec 31, 2005	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Dec 31, 2005	Total Coliform Rule
Jan 1, 2002	Dec 31, 2004	ETHYLENE DIBROMIDE	MR	No	Yes	—	0.00005 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	1,2-DIBROMO-3-CHLOROPROPANE	MR	No	Yes	—	0.0002 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Sep 1, 1999	Sep 30, 1999	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Sep 30, 1999	Total Coliform Rule
Oct 1, 1996	Oct 31, 1996	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1996	Total Coliform Rule
Oct 1, 1996	Oct 31, 1996	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1996	Total Coliform Rule
Oct 1, 1996	Oct 31, 1996	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1996	Total Coliform Rule
Mar 1, 1993	Mar 31, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Mar 31, 1993	Total Coliform Rule
Mar 1, 1993	Mar 31, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Mar 31, 1993	Total Coliform Rule
Dec 1, 1992	Dec 31, 1992	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Dec 31, 1992	Total Coliform Rule
Dec 1, 1992	Dec 31, 1992	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Dec 31, 1992	Total Coliform Rule
Nov 1, 1992	Nov 30, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 1992	Total Coliform Rule
Nov 1, 1992	Nov 30, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 1992	Total Coliform Rule
Jun 1, 1992	Jun 30, 1992	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Jun 30, 1992	Total Coliform Rule
Jun 1, 1992	Jun 30, 1992	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Jun 30, 1992	Total Coliform Rule
Dec 1, 1991	Dec 31, 1991	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Dec 31, 1991	Total Coliform Rule
Nov 1, 1991	Nov 30, 1991	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Nov 30, 1991	Total Coliform Rule
Oct 1, 1991	Oct 31, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1991	Total Coliform Rule
Oct 1, 1991	Oct 31, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1991	Total Coliform Rule
Oct 1, 1991	Oct 31, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1991	Total Coliform Rule
Oct 1, 1991	Oct 31, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1991	Total Coliform Rule
Oct 1, 1991	Oct 31, 1991	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Oct 31, 1991	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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