WARRENTON, OR · Clatsop County
WARRENTON, 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)
- OR4100932
- System type
- Community Water System
- Population served
- 9,100
- Service connections
- 3,737
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2025 – July 17, 2025
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
October 1, 2013 – December 31, 2013
ResolvedMonitoring and Reporting (DBP)
—TTHM
October 1, 2013 – December 31, 2013
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
June 1, 2009 – June 30, 2009
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—Nitrate
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—Styrene
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—Toluene
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—Benzene
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2008 – December 31, 2008
ResolvedMonitoring and Reporting (DBP)
—TTHM
July 1, 2007 – September 30, 2007
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
February 1, 2007 – February 28, 2007
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
December 1, 2006 – December 31, 2006
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
November 1, 2006 – November 30, 2006
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
October 1, 2006 – October 31, 2006
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 2006 – August 31, 2006
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTotal Haloacetic Acids (HAA5)
October 1, 2004 – December 31, 2004
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
April 1, 2004 – April 30, 2004
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Regular
—Toluene
January 1, 2004 – December 31, 2004
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 19, 2003 – November 24, 2004
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2003 – November 18, 2004
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2002 – November 18, 2004
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—LASSO
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Endothall
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
August 1, 1999 – August 31, 1999
ResolvedMonitoring, Regular
—Carbofuran
January 1, 1999 – December 31, 2001
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
January 1, 1999 – January 31, 1999
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
September 1, 1998 – September 30, 1998
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
December 1, 1995 – December 31, 1995
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
August 1, 1995 – August 31, 1995
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
July 1, 1995 – July 31, 1995
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
September 1, 1994 – September 30, 1994
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
August 1, 1994 – August 31, 1994
ResolvedMonitoring, Repeat Minor (TCR)
—Coliform (TCR)
May 1, 1992 – May 31, 1992
ResolvedFailure to Filter (SWTR)
Health-basedSurface Water Treatment Rule
January 1, 1992 – December 30, 2002
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
June 1, 1976 – May 31, 1980
ArchivedMonitoring, 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 |
|---|---|---|---|---|
| July 1, 2025 – July 17, 2025 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| October 1, 2013 – December 31, 2013 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| October 1, 2013 – December 31, 2013 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| June 1, 2009 – June 30, 2009 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| July 1, 2007 – September 30, 2007 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| February 1, 2007 – February 28, 2007 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| December 1, 2006 – December 31, 2006 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| November 1, 2006 – November 30, 2006 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2006 – October 31, 2006 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| August 1, 2006 – August 31, 2006 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2004 – December 31, 2004 | Maximum Contaminant Level Violation, Average | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| April 1, 2004 – April 30, 2004 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring, Regular | Toluene | — | Resolved |
| October 19, 2003 – November 24, 2004 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2003 – November 18, 2004 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2002 – November 18, 2004 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Endothall | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| August 1, 1999 – August 31, 1999 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 1999 – January 31, 1999 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| September 1, 1998 – September 30, 1998 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| December 1, 1995 – December 31, 1995 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| August 1, 1995 – August 31, 1995 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 1, 1995 – July 31, 1995 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| September 1, 1994 – September 30, 1994 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| August 1, 1994 – August 31, 1994 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| May 1, 1992 – May 31, 1992 | Monitoring, Repeat Minor (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 1992 – December 30, 2002 | Failure to Filter (SWTR) | Surface Water Treatment Rule | Health-based | Resolved |
| 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
- July 17, 2025State Compliance achieved1 linked violation
- March 4, 2014State Compliance achieved2 linked violations
- September 23, 2008State Compliance achieved3 linked violations
- February 6, 2008State Compliance achieved6 linked violations
- March 10, 2005Federal Compliance achieved1 linked violation
- March 10, 2005State Compliance achieved33 linked violations
- November 24, 2004State Compliance achieved36 linked violations
- February 19, 1999State Public Notification received2 linked violations
- August 26, 1994State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
Contact
WARRENTON, CITY OF
503-738-7809
WARRENTON, OR 97146