EAGLE CREEK, OR · Clackamas County
TWIN ISLAND COMMUNITY Water System
Consumer Confidence Report status
TWIN ISLAND COMMUNITY 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 TWIN ISLAND COMMUNITY.
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)
- OR4100265
- System type
- Community Water System
- Population served
- 70
- Service connections
- 30
- Ownership
- privately owned
- Water source
- groundwater (wells)
TWIN ISLAND COMMUNITY is one of 1,168 community water systems in Oregon in the 500 or fewer people size category, serving 70 people from groundwater.
As of August 1, 2026, its federal record holds 18 entries between 1976 and 2025, all of which EPA lists as closed.
Of the 18, 11 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 the Total Coliform Rules, the Consumer Confidence Rule, and the Lead and Copper Rule.
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
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 2001 – June 30, 2001
ResolvedMonitoring, Repeat Minor (TCR)
—Coliform (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 Complete Failure to Report
—Consumer Confidence Rule
July 1, 2000 – November 17, 2003
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
February 1, 1998 – February 28, 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 |
| June 1, 2001 – June 30, 2001 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| June 1, 2001 – June 30, 2001 | Monitoring, Repeat Minor (TCR) | Coliform (TCR) | — | Resolved |
| March 1, 2001 – March 31, 2001 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 1, 2000 – November 17, 2003 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| February 1, 1998 – February 28, 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
Common questions
Is TWIN ISLAND COMMUNITY required to publish a Consumer Confidence Report?
- Yes. TWIN ISLAND COMMUNITY 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 TWIN ISLAND COMMUNITY’s next Consumer Confidence Report due?
- TWIN ISLAND COMMUNITY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does TWIN ISLAND COMMUNITY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for TWIN ISLAND COMMUNITY.
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
TWIN ISLAND COMMUNITY
503-387-1219
EAGLE CREEK, OR 97022