TWIN OAKS ELEMENTARY SD 4J
Oregon - Non-Transient Non-Community - PWSID: OR4191879
System Information
| PWSID | OR4191879 |
| System Name | TWIN OAKS ELEMENTARY SD 4J |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Mar 10, 1980 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | EUGENE |
| ZIP Code | 97402 |
| Address | 715 W 4TH AVE |
| Organization | TWIN OAKS ELEMENTARY SD 4J |
| Phone | 541-790-7433 |
Population & Service
| Population Served | 170 |
| Service Connections | 1 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Jul 25, 2024 | - | |
| Jun 1, 2016 | Jun 30, 2016 | MON | No | Yes | - | - | - | Archived | Jun 30, 2016 | - | |
| May 1, 2016 | May 31, 2016 | MON | No | Yes | - | - | - | Archived | May 31, 2016 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Jun 6, 2005 | - | |
| Jul 1, 2001 | Sep 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2001 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Oct 1, 1997 | Dec 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1997 | - | |
| Jul 1, 1997 | Sep 30, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1997 | - | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1997 | - | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Jul 1, 1994 | - | MR | No | No | - | TT | - | Resolved | Jun 19, 1995 | - | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1994 | - | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1994 | - | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1994 | - | |
| Jul 1, 1994 | - | MR | No | No | - | TT | - | Resolved | Jun 19, 1995 | - | |
| Jul 1, 1994 | - | MR | No | No | - | TT | - | Resolved | Jun 19, 1995 | - | |
| Apr 1, 1994 | Jun 30, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1994 | - | |
| Jan 1, 1994 | - | MR | No | No | - | TT | - | Resolved | Jan 6, 1995 | - | |
| Jan 1, 1994 | - | MR | No | No | - | TT | - | Resolved | Jan 6, 1995 | - | |
| Oct 1, 1993 | Dec 31, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1993 | - | |
| Jul 1, 1993 | Sep 30, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1993 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Apr 1, 1992 | Jun 30, 1992 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1992 | - | |
| Jul 1, 1991 | Sep 30, 1991 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1991 | - | |
| Apr 1, 1991 | Jun 30, 1991 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1991 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - |
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.