EAGLE CREEK, OR · Clackamas County
TWIN ISLAND COMMUNITY 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)
- OR4100265
- System type
- Community Water System
- Population served
- 70
- Service connections
- 30
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
February 1, 2025 – February 28, 2025
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2024 – September 25, 2025
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2024 – November 14, 2024
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2017 – July 2, 2018
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
December 1, 2013 – December 31, 2013
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
September 1, 2008 – September 30, 2008
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
March 1, 2008 – March 31, 2008
ResolvedMonitoring, Regular
—Nitrate
January 1, 2006 – December 31, 2006
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 19, 2002 – November 17, 2003
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2002 – November 17, 2003
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2001 – November 17, 2003
ResolvedMonitoring, Repeat Minor (TCR)
—Coliform (TCR)
June 1, 2001 – June 30, 2001
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 2001 – June 30, 2001
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
March 1, 2001 – March 31, 2001
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2000 – November 17, 2003
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
February 1, 1998 – February 28, 1998
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 1998 – January 31, 1998
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
April 1, 1991 – April 30, 1991
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 |
|---|---|---|---|---|
| February 1, 2025 – February 28, 2025 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 1, 2024 – September 25, 2025 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| October 1, 2024 – November 14, 2024 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| October 1, 2017 – July 2, 2018 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| December 1, 2013 – December 31, 2013 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| September 1, 2008 – September 30, 2008 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| March 1, 2008 – March 31, 2008 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Nitrate | — | Resolved |
| October 19, 2002 – November 17, 2003 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2002 – November 17, 2003 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2001 – November 17, 2003 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| June 1, 2001 – June 30, 2001 | Monitoring, Repeat Minor (TCR) | Coliform (TCR) | — | Resolved |
| June 1, 2001 – June 30, 2001 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| March 1, 2001 – March 31, 2001 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| October 1, 2000 – November 17, 2003 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| February 1, 1998 – February 28, 1998 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 1998 – January 31, 1998 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 1991 – April 30, 1991 | Monitoring, Routine Major (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
- November 21, 1999State Public Notification received1 linked violation
- March 25, 1998State Public Notification received2 linked violations
Contact
TWIN ISLAND COMMUNITY
503-387-1219
EAGLE CREEK, OR 97022