TWIN ISLAND COMMUNITY
Oregon — Community Water System — PWSID: OR4100265
System Information
| PWSID | OR4100265 |
| System Name | TWIN ISLAND COMMUNITY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 12, 1979 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | EAGLE CREEK |
| ZIP Code | 97022 |
| Address | 28899 SE WOODS RD |
| Organization | TWIN ISLAND COMMUNITY |
| Phone | 503-387-1219 |
Population & Service
| Population Served | 70 |
| Service Connections | 30 |
Drinking Water Violations (33)
This water system has 33 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 1, 2025 | Feb 28, 2025 | MON | No | Yes | — | — | — | Resolved | Feb 28, 2025 | — | |
| Oct 1, 2024 | — | Other | No | No | — | — | — | Resolved | Nov 14, 2024 | — | |
| Oct 1, 2024 | — | MR | No | No | — | TT | — | Resolved | Sep 25, 2025 | — | |
| Oct 1, 2017 | — | MR | No | No | — | TT | — | Resolved | Jul 2, 2018 | — | |
| Dec 1, 2013 | Dec 31, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2013 | — | |
| Dec 1, 2013 | Dec 31, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2013 | — | |
| Dec 1, 2013 | Dec 31, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2013 | — | |
| Sep 1, 2008 | Sep 30, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2008 | — | |
| Mar 1, 2008 | Mar 31, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2008 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2005 | — | MR | No | No | — | TT | — | Resolved | Sep 9, 2005 | — | |
| Oct 19, 2002 | — | Other | No | No | — | — | — | Resolved | Nov 17, 2003 | — | |
| Jul 1, 2002 | — | Other | No | No | — | — | — | Resolved | Nov 17, 2003 | — | |
| Oct 19, 2001 | — | Other | No | No | — | — | — | Resolved | Nov 17, 2003 | — | |
| Jul 1, 2001 | — | Other | No | No | — | — | — | Resolved | Nov 17, 2003 | — | |
| Jun 1, 2001 | Jun 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2001 | — | |
| Jun 1, 2001 | Jun 30, 2001 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2001 | — | |
| Mar 1, 2001 | Mar 31, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2001 | — | |
| Mar 1, 2001 | Mar 31, 2001 | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 2001 | — | |
| Feb 1, 2001 | Feb 28, 2001 | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 28, 2001 | — | |
| Oct 1, 2000 | — | Other | No | No | — | — | — | Resolved | Nov 17, 2003 | — | |
| Jul 1, 2000 | — | Other | No | No | — | — | — | Resolved | Nov 17, 2003 | — | |
| Oct 19, 1999 | — | Other | No | No | — | — | — | Resolved | Nov 17, 2003 | — | |
| Sep 1, 1999 | Sep 30, 1999 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1999 | — | |
| Sep 1, 1999 | Sep 30, 1999 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1999 | — | |
| Feb 1, 1998 | Feb 28, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 1998 | — | |
| Feb 1, 1998 | Feb 28, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 1998 | — | |
| Jan 1, 1998 | Jan 31, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 1998 | — | |
| Jan 1, 1998 | Jan 31, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 1998 | — | |
| Sep 1, 1992 | Sep 30, 1992 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1992 | — | |
| Apr 1, 1991 | Apr 30, 1991 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 1991 | — | |
| Jun 1, 1976 | May 31, 1980 | MR | No | No | — | 5 pCi/L | — | Archived | May 31, 1980 | — | |
| Jun 1, 1976 | May 31, 1980 | MR | No | No | — | 15 pCi/L | — | Archived | May 31, 1980 | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.