ROYAL WATER DISTRICT

Washington — Community Water System — PWSID: WA5300543

System Information

PWSID	WA5300543
System Name	ROYAL WATER DISTRICT
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Local
EPA Region	10
Serves School	No
Wholesaler	No
First Reported	Feb 7, 1981
Last Reported	Dec 11, 2025

Location & Contact

State	Washington
City	Othello
ZIP Code	99344
Address	73 Christenson Rd
Organization	ROYAL WATER DISTRICT
Phone	—

Population & Service

Population Served	430
Service Connections	51

Drinking Water Violations (69)

This water system has 69 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, 2015	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Oct 13, 2015	Consumer Confidence Rule
Jul 1, 2014	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 19, 2014	Consumer Confidence Rule
Jan 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
Jan 1, 2014	Dec 31, 2014	TTHM	MR	No	Yes	—	0.080 mg/L	—	Resolved	Dec 31, 2014	Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012	Dec 31, 2012	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2012	Nitrate Rule
Jan 1, 2012	Dec 31, 2012	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2012	Nitrate Rule
Jul 1, 2010	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 19, 2010	Consumer Confidence Rule
Nov 1, 2005	Nov 30, 2005	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 2005	Total Coliform Rule
Jan 1, 2005	Dec 31, 2005	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2005	Nitrate Rule
Jan 1, 2005	Dec 31, 2005	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2005	Nitrate Rule
Jan 1, 2005	Dec 31, 2005	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2005	Nitrate Rule
Jan 1, 2004	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2004	Lead and Copper Rule
Jan 1, 2004	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2004	Lead and Copper Rule
Sep 1, 2000	Sep 30, 2000	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Sep 30, 2000	Total Coliform Rule
Jul 1, 2000	Jul 2, 2003	Consumer Confidence Rule	Other	No	Yes	—	—	—	Resolved	Jul 2, 2003	Consumer Confidence Rule
Oct 19, 1999	Oct 20, 2002	Consumer Confidence Rule	Other	No	Yes	—	—	—	Resolved	Oct 20, 2002	Consumer Confidence Rule
Oct 19, 1999	Oct 20, 2002	Consumer Confidence Rule	Other	No	Yes	—	—	—	Resolved	Oct 20, 2002	Consumer Confidence Rule
Oct 19, 1999	Oct 20, 2002	Consumer Confidence Rule	Other	No	Yes	—	—	—	Resolved	Oct 20, 2002	Consumer Confidence Rule
Aug 1, 1999	Aug 31, 1999	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Aug 31, 1999	Total Coliform Rule
Jan 1, 1998	Dec 31, 2001	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2001	Lead and Copper Rule
Jan 1, 1998	Dec 31, 2001	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2001	Lead and Copper Rule
Jun 1, 1997	Jun 30, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 1997	Total Coliform Rule
Jun 1, 1997	Jun 30, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 1997	Total Coliform Rule
Jun 1, 1997	Jun 30, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 1997	Total Coliform Rule
Dec 1, 1996	Dec 31, 1996	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Dec 31, 1996	Total Coliform Rule
Dec 1, 1996	Dec 31, 1996	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Dec 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
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
Sep 1, 1996	Sep 30, 1996	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Sep 30, 1996	Total Coliform Rule
Sep 1, 1996	Sep 30, 1996	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Sep 30, 1996	Total Coliform Rule
Jul 1, 1996	Jul 31, 1996	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Jul 31, 1996	Total Coliform Rule
Jul 1, 1996	Jul 31, 1996	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Jul 31, 1996	Total Coliform Rule
Sep 1, 1995	Sep 30, 1995	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Sep 30, 1995	Total Coliform Rule
Oct 19, 1994	Nov 18, 1994	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Nov 18, 1994	Total Coliform Rule
Dec 1, 1992	Dec 31, 1992	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Dec 31, 1992	Total Coliform Rule
Dec 1, 1992	Dec 31, 1992	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Dec 31, 1992	Total Coliform Rule
Dec 1, 1992	Dec 31, 1992	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Dec 31, 1992	Total Coliform Rule
Oct 1, 1992	Oct 31, 1992	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Oct 31, 1992	Total Coliform Rule
Oct 1, 1992	Oct 31, 1992	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Oct 31, 1992	Total Coliform Rule
Oct 1, 1992	Oct 31, 1992	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Oct 31, 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
Jun 1, 1992	Jun 30, 1992	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Jun 30, 1992	Total Coliform Rule
Apr 1, 1992	Apr 30, 1992	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Apr 30, 1992	Total Coliform Rule
Apr 1, 1992	Apr 30, 1992	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Apr 30, 1992	Total Coliform Rule
Apr 1, 1992	Apr 30, 1992	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Apr 30, 1992	Total Coliform Rule
Feb 1, 1992	Feb 29, 1992	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Feb 29, 1992	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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