MOUNT VERNON, OR · Grant County
MOUNT VERNON, 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)
- OR4100546
- System type
- Community Water System
- Population served
- 510
- Service connections
- 273
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Maximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
October 1, 2015 – October 31, 2015
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 2006 – August 31, 2006
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 2003 – July 31, 2003
ResolvedMonitoring, Regular
—Nitrite
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Benzene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—OXAMYL
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
—Barium
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Chromium
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Nickel
January 1, 2002 – December 31, 2004
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2001 – March 11, 2002
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2000 – March 11, 2002
ResolvedMonitoring, Repeat Minor (TCR)
—Coliform (TCR)
May 1, 1997 – May 31, 1997
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
July 1, 1996 – July 31, 1996
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
September 1, 1993 – September 30, 1993
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
September 1, 1992 – September 30, 1992
ArchivedMonitoring, Repeat Minor (TCR)
—Coliform (TCR)
September 1, 1991 – September 30, 1991
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 |
|---|---|---|---|---|
| October 1, 2015 – October 31, 2015 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| August 1, 2006 – August 31, 2006 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| July 1, 2003 – July 31, 2003 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Nitrite | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | OXAMYL | — | 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 | Barium | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Chromium | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Nickel | — | Resolved |
| July 1, 2001 – March 11, 2002 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2000 – March 11, 2002 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| May 1, 1997 – May 31, 1997 | Monitoring, Repeat Minor (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 1996 – July 31, 1996 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| September 1, 1993 – September 30, 1993 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| September 1, 1992 – September 30, 1992 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| September 1, 1991 – September 30, 1991 | Monitoring, Repeat Minor (TCR) | Coliform (TCR) | — | 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
- December 14, 2015State Compliance achieved362 linked violations
- January 31, 2000State Public Notification received2 linked violations
Contact
MOUNT VERNON, CITY OF
541-932-4688
MOUNT VERNON, OR 97865