WASCO, OR · Sherman County
WASCO, CITY OF Water System
Consumer Confidence Report status
WASCO, CITY OF must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for WASCO, CITY OF.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
- OR4100935
- System type
- Community Water System
- Population served
- 460
- Service connections
- 215
- Ownership
- local government
- Water source
- groundwater (wells)
WASCO, CITY OF is one of 1,168 community water systems in Oregon in the 500 or fewer people size category, serving 460 people from groundwater.
As of August 1, 2026, its federal record holds 51 entries between 1976 and 2025, all of which EPA lists as closed.
Of the 51, 41 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves volatile organic chemicals, the Total Coliform Rules, and synthetic organic chemicals.
Violation history
Public Notification Violation for NPDWR Violation
—Public Notice
October 22, 2025 – November 7, 2025
ResolvedMaximum Contaminant Level Violation, E. coli (RTCR)
Health-basedRevised Total Coliform Rule
October 1, 2025 – October 31, 2025
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2025 – August 22, 2025
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
January 1, 2025 – January 31, 2025
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
December 1, 2014 – December 31, 2014
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
November 1, 2014 – November 30, 2014
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
November 1, 2012 – November 30, 2012
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 2011 – June 30, 2011
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Toluene
January 1, 2011 – December 31, 2011
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2011 – December 31, 2011
ResolvedMonitoring, Regular
—Styrene
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Benzene
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2011 – December 31, 2013
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 2010 – August 31, 2010
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Atrazine
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Arsenic
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Carbofuran
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Nitrate
January 1, 2000 – December 31, 2000
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 1998 – September 30, 1998
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 1997 – September 30, 1997
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
January 1, 1997 – January 31, 1997
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
July 1, 1993 – July 31, 1993
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
June 1, 1976 – May 31, 1980
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
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 |
|---|---|---|---|---|
| October 22, 2025 – November 7, 2025 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| October 1, 2025 – October 31, 2025 | Maximum Contaminant Level Violation, E. coli (RTCR) | Revised Total Coliform Rule | Health-based | Resolved |
| July 1, 2025 – August 22, 2025 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2025 – January 31, 2025 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| December 1, 2014 – December 31, 2014 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| November 1, 2014 – November 30, 2014 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| November 1, 2012 – November 30, 2012 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| June 1, 2011 – June 30, 2011 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2011 – December 31, 2011 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2011 – December 31, 2011 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| August 1, 2010 – August 31, 2010 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | Nitrate | — | Resolved |
| September 1, 1998 – September 30, 1998 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| September 1, 1997 – September 30, 1997 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| January 1, 1997 – January 31, 1997 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 1993 – July 31, 1993 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| June 1, 1976 – May 31, 1980 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Archived |
| June 1, 1976 – May 31, 1980 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- March 29, 2026State Compliance achieved1 linked violation
- November 7, 2025State Compliance achieved1 linked violation
- November 7, 2025State Compliance achieved1 linked violation
- November 7, 2025State Public Notification received1 linked violation
- October 10, 2025State Public Notification requested1 linked violation
- August 22, 2025State Compliance achieved1 linked violation
- March 4, 2025State Compliance achieved1 linked violation
- March 4, 2025State Compliance achieved1 linked violation
- February 17, 2015State Compliance achieved1 linked violation
- February 17, 2015State Compliance achieved1 linked violation
- January 29, 2015State Public Notification requested1 linked violation
- January 12, 2015State Public Notification received1 linked violation
- December 30, 2014State Public Notification received1 linked violation
- December 18, 2014State Public Notification requested1 linked violation
- February 21, 2014State Compliance achieved20 linked violations
- January 18, 2013State Compliance achieved1 linked violation
- December 31, 2012State Violation/Reminder Notice1 linked violation
- December 21, 2012State Public Notification requested1 linked violation
- December 7, 2012State Public Notification received1 linked violation
- March 27, 2012State Compliance achieved1 linked violation
- March 27, 2012State Compliance achieved1 linked violation
- February 28, 2012State Violation/Reminder Notice2 linked violations
- August 1, 2011State Violation/Reminder Notice1 linked violation
- July 27, 2011State Public Notification requested1 linked violation
- July 18, 2011State Compliance achieved1 linked violation
- July 5, 2011State Public Notification received1 linked violation
- September 27, 2010State Violation/Reminder Notice1 linked violation
- March 16, 2009State Compliance achieved30 linked violations
- February 17, 2005State Compliance achieved29 linked violations
- February 17, 2005State Compliance achieved1 linked violation
- February 17, 2005State Compliance achieved21 linked violations
- February 17, 2005State Compliance achieved1 linked violation
- November 3, 1998State Public Notification received1 linked violation
- October 7, 1998State Public Notification received1 linked violation
- July 1, 1998State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- February 5, 1998State Public Notification received1 linked violation
- November 18, 1997State Public Notification received2 linked violations
- September 30, 1997State Public Notification received2 linked violations
Common questions
Is WASCO, CITY OF required to publish a Consumer Confidence Report?
- Yes. WASCO, CITY OF is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is WASCO, CITY OF’s next Consumer Confidence Report due?
- WASCO, CITY OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does WASCO, CITY OF have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for WASCO, CITY OF.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
WASCO, CITY OF
541-442-5515
WASCO, OR 97065