DAVENPORT WATER DIVISION

Washington — Community Water System — PWSID: WA5318100

System Information

PWSID	WA5318100
System Name	DAVENPORT WATER DIVISION
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	Davenport
ZIP Code	99122
Address	PO Box 26
Organization	DAVENPORT WATER DIVISION
Phone	—

Population & Service

Population Served	1,720
Service Connections	902

Drinking Water Violations (57)

This water system has 57 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	TTHM	MR	No	Yes	—	0.080 mg/L	—	Resolved	Dec 31, 2022	Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022	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
Jul 1, 2019	Sep 30, 2019	Dinoseb	MR	No	Yes	—	0.007 mg/L	—	Resolved	Sep 30, 2019	Synthetic Organic Chemicals
Jul 1, 2019	Sep 30, 2019	Dalapon	MR	No	Yes	—	0.2 mg/L	—	Resolved	Sep 30, 2019	Synthetic Organic Chemicals
Jul 1, 2019	Sep 30, 2019	Pentachlorophenol	MR	No	Yes	—	0.001 mg/L	—	Resolved	Sep 30, 2019	Synthetic Organic Chemicals
Jul 1, 2019	Sep 30, 2019	2,4,5-TP	MR	No	Yes	—	0.05 mg/L	—	Resolved	Sep 30, 2019	Synthetic Organic Chemicals
Jul 1, 2019	Sep 30, 2019	Picloram	MR	No	Yes	—	0.5 mg/L	—	Resolved	Sep 30, 2019	Synthetic Organic Chemicals
Jan 1, 2018	Dec 31, 2018	Total Haloacetic Acids (HAA5)	MR	No	Yes	—	0.060 mg/L	—	Resolved	Dec 31, 2018	Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018	Dec 31, 2018	TTHM	MR	No	Yes	—	0.080 mg/L	—	Resolved	Dec 31, 2018	Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014	Dec 31, 2016	2,4,5-TP	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2016	Synthetic Organic Chemicals
Jan 1, 2014	Dec 31, 2016	Pentachlorophenol	MR	No	Yes	—	0.001 mg/L	—	Resolved	Dec 31, 2016	Synthetic Organic Chemicals
Jan 1, 2014	Dec 31, 2016	Dinoseb	MR	No	Yes	—	0.007 mg/L	—	Resolved	Dec 31, 2016	Synthetic Organic Chemicals
Jan 1, 2014	Dec 31, 2016	Dalapon	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2016	Synthetic Organic Chemicals
Jan 1, 2014	Dec 31, 2016	Picloram	MR	No	Yes	—	0.5 mg/L	—	Resolved	Dec 31, 2016	Synthetic Organic Chemicals
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	—	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	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2007	Lead and Copper Rule
Oct 1, 2003	Oct 31, 2003	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 2003	Total Coliform Rule
Oct 1, 2000	Oct 31, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 2000	Total Coliform Rule
Oct 1, 2000	Oct 31, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 2000	Total Coliform Rule
Oct 1, 2000	Oct 31, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 2000	Total Coliform Rule
Jan 1, 1999	Jan 31, 1999	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jan 31, 1999	Total Coliform Rule
Jan 1, 1999	Jan 31, 1999	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jan 31, 1999	Total Coliform Rule
Jan 1, 1999	Jan 31, 1999	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jan 31, 1999	Total Coliform Rule
Oct 1, 1998	Oct 31, 1998	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1998	Total Coliform Rule
Oct 1, 1998	Oct 31, 1998	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1998	Total Coliform Rule
Oct 1, 1998	Oct 31, 1998	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1998	Total Coliform Rule
Dec 1, 1997	Dec 31, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Dec 31, 1997	Total Coliform Rule
Dec 1, 1997	Dec 31, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Dec 31, 1997	Total Coliform Rule
Dec 1, 1997	Dec 31, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Dec 31, 1997	Total Coliform Rule
Nov 1, 1997	Nov 30, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 1997	Total Coliform Rule
Nov 1, 1997	Nov 30, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 1997	Total Coliform Rule
Nov 1, 1997	Nov 30, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 1997	Total Coliform Rule
Jan 1, 1997	Jan 1, 1998	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jan 1, 1998	Lead and Copper Rule
Dec 1, 1995	Dec 31, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Dec 31, 1995	Total Coliform Rule
Dec 1, 1995	Dec 31, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Dec 31, 1995	Total Coliform Rule
Nov 1, 1995	Nov 30, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 1995	Total Coliform Rule
Nov 1, 1995	Nov 30, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 1995	Total Coliform Rule
Aug 1, 1995	Aug 31, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Aug 31, 1995	Total Coliform Rule
Aug 1, 1995	Aug 31, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Aug 31, 1995	Total Coliform Rule
Oct 1, 1979	Oct 31, 1979	Nitrate	MR	No	No	—	10 mg/L	—	Archived	Oct 31, 1979	Nitrate Rule
Oct 1, 1979	Oct 31, 1979	Gross Alpha, Excl. Radon and U	MR	No	No	—	15 pCi/L	—	Archived	Oct 31, 1979	Radionuclides and Revised Rad 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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