ENTERPRISE, OR · Wallowa County
ENTERPRISE, 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)
- OR4100278
- System type
- Community Water System
- Population served
- 2,107
- Service connections
- 1,325
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Failure to Conduct Assessment Monitoring
—COLIPHAGE
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Nitrate
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Nitrate
January 1, 2025 – December 31, 2025
ArchivedFailure to Conduct Assessment Monitoring
—COLIPHAGE
January 1, 2025 – December 31, 2025
ArchivedFailure to Conduct Assessment Monitoring
—COLIPHAGE
January 1, 2025 – December 31, 2025
ArchivedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2024 – March 19, 2025
ResolvedMonitoring, Regular
—Nitrate
April 1, 2021 – June 30, 2021
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
October 1, 2020 – October 31, 2020
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
October 1, 2017 – October 31, 2017
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
February 1, 2008 – February 29, 2008
ResolvedMonitoring, Regular
—Nitrate
January 1, 2007 – December 31, 2007
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Endothall
January 1, 2005 – December 31, 2007
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Nitrate
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
August 1, 1994 – August 31, 1994
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
November 1, 1992 – November 30, 1992
ArchivedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
August 1, 1992 – August 31, 1992
ResolvedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
May 1, 1992 – May 31, 1992
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
December 1, 1991 – December 31, 1991
ResolvedMonitoring, Regular
—Selenium
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Nitrate
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Mercury
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Fluoride
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Chromium
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Cadmium
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Barium
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Arsenic
June 24, 1979 – June 23, 1980
ArchivedMonitoring, 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
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2025 – December 31, 2025 | Failure to Conduct Assessment Monitoring | COLIPHAGE | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Nitrate | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Nitrate | — | Archived |
| January 1, 2025 – December 31, 2025 | Failure to Conduct Assessment Monitoring | COLIPHAGE | — | Archived |
| January 1, 2025 – December 31, 2025 | Failure to Conduct Assessment Monitoring | COLIPHAGE | — | Archived |
| July 1, 2024 – March 19, 2025 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| April 1, 2021 – June 30, 2021 | Monitoring, Regular | Nitrate | — | Resolved |
| October 1, 2020 – October 31, 2020 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 1, 2017 – October 31, 2017 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| February 1, 2008 – February 29, 2008 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2007 – December 31, 2007 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Endothall | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Nitrate | — | Resolved |
| August 1, 1994 – August 31, 1994 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| November 1, 1992 – November 30, 1992 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| August 1, 1992 – August 31, 1992 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| May 1, 1992 – May 31, 1992 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Resolved |
| December 1, 1991 – December 31, 1991 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Selenium | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Nitrate | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Mercury | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Fluoride | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Chromium | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Cadmium | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Barium | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Arsenic | — | Archived |
| 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 |
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
Enforcement actions
- December 28, 1994State Public Notification received2 linked violations
Contact
ENTERPRISE, CITY OF
541-426-3093
ENTERPRISE, OR 97828