LONDON WATER CO-OP
Oregon — Community Water System — PWSID: OR4100239
System Information
| PWSID | OR4100239 |
| System Name | LONDON WATER CO-OP |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 12, 1979 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | COTTAGE GROVE |
| ZIP Code | 97424 |
| Address | 72743 SHOESTRING RD |
| Organization | LONDON WATER CO-OP |
| Phone | 541-942-9422 |
Population & Service
| Population Served | 63 |
| Service Connections | 24 |
Drinking Water Violations (880)
This water system has 880 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | — | — | Archived | Dec 31, 2025 | — | |
| Dec 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | — | — | Archived | Dec 31, 2025 | — | |
| Dec 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | — | — | Archived | Dec 31, 2025 | — | |
| Dec 1, 2025 | Dec 31, 2025 | TT | Yes | No | — | — | — | Archived | Dec 31, 2025 | — | |
| Dec 1, 2025 | Dec 31, 2025 | TT | Yes | No | — | — | — | Archived | Dec 31, 2025 | — | |
| Nov 15, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Nov 15, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Nov 1, 2025 | Nov 30, 2025 | TT | Yes | No | — | — | — | Archived | Nov 30, 2025 | — | |
| Nov 1, 2025 | Nov 30, 2025 | TT | Yes | No | — | — | — | Archived | Nov 30, 2025 | — | |
| Oct 1, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Oct 1, 2025 | Oct 31, 2025 | MR | No | Yes | — | — | — | Resolved | Oct 31, 2025 | — | |
| Oct 1, 2025 | Oct 31, 2025 | MR | No | Yes | — | — | — | Resolved | Oct 31, 2025 | — | |
| Oct 1, 2025 | Oct 31, 2025 | TT | Yes | No | — | — | — | Archived | Oct 31, 2025 | — | |
| Oct 1, 2025 | Oct 31, 2025 | MR | No | Yes | — | — | — | Resolved | Oct 31, 2025 | — | |
| Oct 1, 2025 | Oct 31, 2025 | TT | Yes | No | — | — | — | Archived | Oct 31, 2025 | — | |
| Sep 1, 2025 | Sep 30, 2025 | TT | Yes | No | — | — | — | Archived | Sep 30, 2025 | — | |
| Sep 1, 2025 | Sep 30, 2025 | TT | Yes | No | — | — | — | Archived | Sep 30, 2025 | — | |
| Sep 1, 2025 | Sep 30, 2025 | TT | Yes | No | — | — | — | Archived | Sep 30, 2025 | — | |
| Sep 1, 2025 | Sep 30, 2025 | TT | Yes | No | — | — | — | Archived | Sep 30, 2025 | — | |
| Aug 1, 2025 | Aug 31, 2025 | TT | Yes | No | — | — | — | Archived | Aug 31, 2025 | — | |
| Aug 1, 2025 | Aug 31, 2025 | TT | Yes | No | — | — | — | Archived | Aug 31, 2025 | — | |
| Aug 1, 2025 | Aug 31, 2025 | TT | Yes | No | — | — | — | Archived | Aug 31, 2025 | — | |
| Jul 25, 2025 | — | Other | No | No | — | — | — | Resolved | Sep 17, 2025 | — | |
| Jul 25, 2025 | — | Other | No | No | — | — | — | Resolved | Sep 17, 2025 | — | |
| Jul 25, 2025 | — | Other | No | No | — | — | — | Resolved | Sep 17, 2025 | — | |
| Jul 25, 2025 | — | Other | No | No | — | — | — | Resolved | Sep 17, 2025 | — | |
| Jul 2, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Jul 2, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Jul 1, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Jun 1, 2025 | Jun 30, 2025 | TT | Yes | No | — | — | — | Resolved | Jun 30, 2025 | — | |
| Jun 1, 2025 | Jun 30, 2025 | TT | Yes | No | — | — | — | Resolved | Jun 30, 2025 | — | |
| Jun 1, 2025 | Jun 30, 2025 | TT | Yes | No | — | — | — | Resolved | Jun 30, 2025 | — | |
| Jun 1, 2025 | Jun 30, 2025 | TT | Yes | No | — | — | — | Resolved | Jun 30, 2025 | — | |
| Jun 1, 2025 | Jun 30, 2025 | TT | Yes | No | — | — | — | Resolved | Jun 30, 2025 | — | |
| Jun 1, 2025 | Jun 30, 2025 | TT | Yes | No | — | — | — | Resolved | Jun 30, 2025 | — | |
| May 23, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| May 23, 2025 | — | Other | No | No | — | — | — | Resolved | Aug 6, 2025 | — | |
| May 1, 2025 | May 31, 2025 | TT | Yes | No | — | — | — | Archived | May 31, 2025 | — | |
| May 1, 2025 | May 31, 2025 | TT | Yes | No | — | — | — | Archived | May 31, 2025 | — | |
| May 1, 2025 | May 31, 2025 | TT | Yes | No | — | — | — | Archived | May 31, 2025 | — | |
| May 1, 2025 | May 31, 2025 | TT | Yes | No | — | — | — | Archived | May 31, 2025 | — | |
| Apr 14, 2025 | — | Other | No | No | — | — | — | Resolved | Apr 16, 2025 | — | |
| Apr 1, 2025 | Apr 30, 2025 | TT | Yes | No | — | — | — | Archived | Apr 30, 2025 | — | |
| Apr 1, 2025 | Apr 30, 2025 | TT | Yes | No | — | — | — | Archived | Apr 30, 2025 | — | |
| Apr 1, 2025 | Apr 30, 2025 | TT | Yes | No | — | — | — | Archived | Apr 30, 2025 | — | |
| Apr 1, 2025 | Apr 30, 2025 | TT | Yes | No | — | — | — | Archived | Apr 30, 2025 | — | |
| Mar 1, 2025 | Mar 31, 2025 | TT | Yes | No | — | — | — | Archived | Mar 31, 2025 | — | |
| Mar 1, 2025 | Mar 31, 2025 | TT | Yes | No | — | — | — | Archived | Mar 31, 2025 | — | |
| Mar 1, 2025 | Mar 31, 2025 | TT | Yes | No | — | — | — | Archived | Mar 31, 2025 | — | |
| Mar 1, 2025 | Mar 31, 2025 | TT | Yes | No | — | — | — | Archived | Mar 31, 2025 | — |
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.