COE COTTAGE GROVE
Oregon — Transient Non-Community — PWSID: OR4195118
System Information
| PWSID | OR4195118 |
| System Name | COE COTTAGE GROVE |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 28, 2001 |
| Last Reported | Dec 23, 2025 |
Location & Contact
| State | Oregon |
| City | EUGENE |
| ZIP Code | 97401 |
| Address | 211 E 7TH AVE, STE 480 |
| Organization | COE COTTAGE GROVE |
| Phone | 541-841-8966 |
Population & Service
| Population Served | 750 |
| Service Connections | 3 |
Drinking Water Violations (27)
This water system has 27 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2025 | Aug 31, 2025 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Archived | Aug 31, 2025 | Revised Total Coliform Rule |
| Sep 1, 2023 | Sep 30, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Sep 30, 2023 | Revised Total Coliform Rule |
| Jan 1, 2023 | Dec 31, 2023 | COLIPHAGE | MR | No | Yes | — | — | — | Resolved | Dec 31, 2023 | Ground Water Rule |
| Jan 1, 2023 | Dec 31, 2023 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2023 | Nitrate Rule |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Sep 1, 2017 | Sep 30, 2017 | COLIPHAGE | MR | No | Yes | — | — | — | Resolved | Sep 30, 2017 | Ground Water Rule |
| Sep 1, 2017 | Sep 30, 2017 | COLIPHAGE | MR | No | Yes | — | — | — | Resolved | Sep 30, 2017 | Ground Water Rule |
| Sep 1, 2017 | Sep 30, 2017 | COLIPHAGE | MR | No | Yes | — | — | — | Resolved | Sep 30, 2017 | Ground Water Rule |
| Jul 1, 2017 | Jul 31, 2017 | COLIPHAGE | MR | No | Yes | — | — | — | Resolved | Jul 31, 2017 | Ground Water Rule |
| Jul 1, 2017 | Jul 31, 2017 | COLIPHAGE | MR | No | Yes | — | — | — | Resolved | Jul 31, 2017 | Ground Water Rule |
| Jun 1, 2017 | Jun 30, 2017 | COLIPHAGE | MR | No | Yes | — | — | — | Resolved | Jun 30, 2017 | Ground Water Rule |
| Jun 1, 2017 | Jun 30, 2017 | COLIPHAGE | MR | No | Yes | — | — | — | Resolved | Jun 30, 2017 | Ground Water Rule |
| May 1, 2017 | May 31, 2017 | COLIPHAGE | MR | No | Yes | — | — | — | Resolved | May 31, 2017 | Ground Water Rule |
| May 1, 2017 | May 31, 2017 | COLIPHAGE | MR | No | Yes | — | — | — | Resolved | May 31, 2017 | Ground Water Rule |
| Sep 1, 2016 | Sep 30, 2016 | COLIPHAGE | MR | No | Yes | — | — | — | Resolved | Sep 30, 2016 | Ground Water Rule |
| Sep 1, 2016 | Sep 30, 2016 | COLIPHAGE | MR | No | Yes | — | — | — | Resolved | Sep 30, 2016 | Ground Water Rule |
| Jul 1, 2016 | Jul 31, 2016 | COLIPHAGE | MR | No | Yes | — | — | — | Resolved | Jul 31, 2016 | Ground Water Rule |
| Jul 1, 2016 | Jul 31, 2016 | COLIPHAGE | MR | No | Yes | — | — | — | Resolved | Jul 31, 2016 | Ground Water Rule |
| Jun 1, 2016 | Jun 30, 2016 | COLIPHAGE | MR | No | Yes | — | — | — | Resolved | Jun 30, 2016 | Ground Water Rule |
| Jun 1, 2016 | Jun 30, 2016 | COLIPHAGE | MR | No | Yes | — | — | — | Resolved | Jun 30, 2016 | Ground Water Rule |
| May 1, 2016 | May 31, 2016 | COLIPHAGE | MR | No | Yes | — | — | — | Resolved | May 31, 2016 | Ground Water Rule |
| May 1, 2016 | May 31, 2016 | COLIPHAGE | MR | No | Yes | — | — | — | Resolved | May 31, 2016 | Ground Water Rule |
| Jul 1, 2011 | Jul 31, 2011 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2011 | Total Coliform Rule |
| Jul 1, 2011 | Jul 31, 2011 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2011 | Total Coliform Rule |
| Jan 1, 2007 | Dec 31, 2007 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Jan 1, 2001 | Mar 31, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2001 | Total Coliform Rule |
| Jan 1, 2000 | Dec 31, 2000 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2000 | Nitrate Rule |
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.