WILLAMINA, OR · Yamhill County

WILLAMINA, CITY OF Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Oregon’s official records. Always confirm current status with Oregon before making decisions based on this information.

System facts

System ID (PWSID): OR4100953
System type: Community Water System
Population served: 2,239
Service connections: 900
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2017 – March 31, 2017
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2017 – March 31, 2017
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2017 – March 31, 2017
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2017 – December 31, 2025
Archived
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2009 – December 31, 2009
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
December 1, 2009 – December 31, 2009
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2009 – October 31, 2009
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
April 1, 2009 – April 30, 2009
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2009 – April 30, 2009
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 2006 – October 31, 2006
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
March 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Benzene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Toluene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Styrene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Styrene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Benzene
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Toluene
January 1, 2004 – December 31, 2004
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2003 – October 19, 2007
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 1996 – April 30, 1996
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 1996 – February 29, 1996
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 1994 – October 19, 2007
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 1994 – February 28, 1994
Resolved
Monitoring, Regular
—
Arsenic
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Cadmium
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Chromium
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Fluoride
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Mercury
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Nitrate
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Selenium
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Barium
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 1, 1976 – May 31, 1980
Archived
Monitoring, Regular
—
Combined Radium (-226 and -228)
June 1, 1976 – May 31, 1980
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
March 1, 2017 – March 31, 2017	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
March 1, 2017 – March 31, 2017	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
March 1, 2017 – March 31, 2017	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2017 – December 31, 2025	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived
December 1, 2009 – December 31, 2009	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2009 – December 31, 2009	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2009 – October 31, 2009	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2009 – April 30, 2009	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2009 – April 30, 2009	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2006 – October 31, 2006	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
March 1, 2006 – March 31, 2006	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Benzene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Toluene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Styrene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Styrene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Benzene	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Toluene	—	Resolved
January 1, 2003 – October 19, 2007	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
April 1, 1996 – April 30, 1996	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 1996 – February 29, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
July 1, 1994 – October 19, 2007	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
February 1, 1994 – February 28, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
June 24, 1979 – June 23, 1980	Monitoring, Regular	Arsenic	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Cadmium	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Chromium	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Fluoride	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Mercury	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Nitrate	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Selenium	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Barium	—	Archived
June 1, 1976 – May 31, 1980	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
June 1, 1976 – May 31, 1980	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

May 5, 2017State Compliance achieved3 linked violations
February 22, 2010State Violation/Reminder Notice4 linked violations
August 31, 2009State Violation/Reminder Notice2 linked violations
October 19, 2007State Compliance achieved2 linked violations
June 20, 2005State Compliance achieved22 linked violations
August 28, 2003State Compliance achieved1 linked violation
August 28, 2003State Compliance achieved1 linked violation
September 6, 2002State Compliance achieved1 linked violation
April 23, 1995State Compliance achieved1 linked violation

Contact

WILLAMINA, CITY OF

503-437-7003

WILLAMINA, OR 97396