KEIZER, CITY OF

Oregon — Community Water System — PWSID: OR4100744

System Information

PWSID	OR4100744
System Name	KEIZER, CITY OF
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	Mar 12, 1979
Last Reported	Dec 23, 2025

Location & Contact

State	Oregon
City	KEIZER
ZIP Code	97307-1000
Address	PO BOX 21000
Organization	KEIZER, CITY OF
Phone	503-856-3555

Population & Service

Population Served	38,585
Service Connections	10,734

Drinking Water Violations (52)

This water system has 52 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
Oct 1, 2024	Dec 31, 2024	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Dec 31, 2024	Radionuclides and Revised Rad Rule
Apr 1, 2021	Apr 30, 2021	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Apr 30, 2021	Revised Total Coliform Rule
Aug 5, 2017	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Aug 7, 2017	Ground Water Rule
Jan 1, 2011	Jan 31, 2011	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jan 31, 2011	Total Coliform Rule
Jan 1, 2011	Jan 31, 2011	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jan 31, 2011	Total Coliform Rule
Jan 1, 2011	Jan 31, 2011	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jan 31, 2011	Total Coliform Rule
Jan 1, 2011	Jan 31, 2011	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jan 31, 2011	Total Coliform Rule
Jan 1, 2008	Dec 31, 2008	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2008	Nitrate Rule
Jun 1, 2005	Jun 30, 2005	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2005	Total Coliform Rule
Jun 1, 2005	Jun 30, 2005	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2005	Total Coliform Rule
Jan 1, 2002	Dec 31, 2004	Di(2-ethylhexyl) phthalate	MR	No	No	—	0.006 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	1,2-DIBROMO-3-CHLOROPROPANE	MR	No	No	—	0.0002 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Benzo(a)pyrene	MR	No	No	—	0.0002 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	ETHYLENE DIBROMIDE	MR	No	No	—	0.00005 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Endrin	MR	No	No	—	0.002 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	LASSO	MR	No	No	—	—	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	OXAMYL	MR	No	No	—	0.2 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Chlordane	MR	No	No	—	0.002 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Diquat	MR	No	No	—	0.02 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Atrazine	MR	No	No	—	0.003 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Dalapon	MR	No	No	—	0.2 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Carbofuran	MR	No	No	—	0.04 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Heptachlor	MR	No	No	—	0.0004 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Glyphosate	MR	No	No	—	0.7 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Pentachlorophenol	MR	No	No	—	0.001 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	BHC-GAMMA	MR	No	No	—	0.0002 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Methoxychlor	MR	No	No	—	0.04 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Toxaphene	MR	No	No	—	0.003 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Endothall	MR	No	No	—	0.1 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Di(2-ethylhexyl) adipate	MR	No	No	—	0.4 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Simazine	MR	No	No	—	0.004 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Picloram	MR	No	No	—	0.5 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Hexachlorocyclopentadiene	MR	No	No	—	0.05 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Heptachlor epoxide	MR	No	No	—	0.0002 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	2,4-D	MR	No	No	—	0.07 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	2,4,5-TP	MR	No	No	—	0.05 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	HEXACHLOROBENZENE	MR	No	No	—	0.001 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Total Polychlorinated Biphenyls (PCB)	MR	No	No	—	0.0005 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Dinoseb	MR	No	No	—	0.007 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Oct 1, 2000	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Sep 25, 2001	Consumer Confidence Rule
May 1, 1993	May 31, 1993	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	May 31, 1993	Total Coliform Rule
Apr 1, 1993	Apr 30, 1993	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Apr 30, 1993	Total Coliform Rule
Feb 1, 1993	Feb 28, 1993	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 28, 1993	Total Coliform Rule
Dec 1, 1992	Dec 31, 1992	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 1992	Total Coliform Rule
Oct 1, 1992	Oct 31, 1992	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 1992	Total Coliform Rule
Sep 1, 1992	Sep 30, 1992	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 1992	Total Coliform Rule
Jul 1, 1992	Jul 31, 1992	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 1992	Total Coliform Rule
May 1, 1992	May 31, 1992	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	May 31, 1992	Total Coliform Rule
Apr 1, 1992	Apr 30, 1992	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Apr 30, 1992	Total Coliform Rule
Mar 1, 1991	Mar 31, 1991	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Mar 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.

Browse All Water Systems Water Safety Stats Water Safety Home

Browse All Water Systems Water Systems in Oregon