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 | Jun 26, 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 (920)
This water system has 920 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 7, 2026 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Mar 7, 2026 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Mar 1, 2026 | Mar 31, 2026 | TT | Yes | No | - | - | - | Archived | Mar 31, 2026 | - | |
| Mar 1, 2026 | Mar 31, 2026 | TT | Yes | No | - | - | - | Archived | Mar 31, 2026 | - | |
| Feb 13, 2026 | - | Other | No | No | - | - | - | Resolved | Jan 11, 2026 | - | |
| Feb 13, 2026 | - | Other | No | No | - | - | - | Resolved | Jan 11, 2026 | - | |
| Feb 1, 2026 | Feb 28, 2026 | TT | Yes | No | - | - | - | Archived | Feb 28, 2026 | - | |
| Feb 1, 2026 | Feb 28, 2026 | TT | Yes | No | - | - | - | Archived | Feb 28, 2026 | - | |
| Feb 1, 2026 | Feb 28, 2026 | TT | Yes | No | - | - | - | Archived | Feb 28, 2026 | - | |
| Feb 1, 2026 | Feb 28, 2026 | TT | Yes | No | - | - | - | Archived | Feb 28, 2026 | - | |
| Feb 1, 2026 | Feb 28, 2026 | TT | Yes | No | - | - | - | Archived | Feb 28, 2026 | - | |
| Feb 1, 2026 | Feb 28, 2026 | TT | Yes | No | - | - | - | Archived | Feb 28, 2026 | - | |
| Jan 2, 2026 | - | Other | No | No | - | - | - | Resolved | Jan 11, 2026 | - | |
| Jan 2, 2026 | - | Other | No | No | - | - | - | Resolved | Jan 11, 2026 | - | |
| Jan 1, 2026 | Jan 31, 2026 | TT | Yes | No | - | - | - | Archived | Jan 31, 2026 | - | |
| Jan 1, 2026 | Jan 31, 2026 | TT | Yes | No | - | - | - | Archived | Jan 31, 2026 | - | |
| Jan 1, 2026 | Jan 31, 2026 | TT | Yes | No | - | - | - | Archived | Jan 31, 2026 | - | |
| Jan 1, 2026 | Jan 31, 2026 | TT | Yes | No | - | - | - | Archived | Jan 31, 2026 | - | |
| Dec 1, 2025 | Dec 31, 2025 | TT | Yes | No | - | - | - | Archived | Dec 31, 2025 | - | |
| Dec 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2025 | - | |
| Dec 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2025 | - | |
| Dec 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Resolved | 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 | - | |
| Dec 1, 2025 | Dec 31, 2025 | TT | Yes | No | - | - | - | Archived | Dec 31, 2025 | - | |
| Dec 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2025 | - | |
| Dec 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Resolved | 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 | - | |
| Dec 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2025 | - | |
| Nov 15, 2025 | - | Other | No | No | - | - | - | Resolved | Jan 11, 2026 | - | |
| Nov 15, 2025 | - | Other | No | No | - | - | - | Resolved | Jan 11, 2026 | - | |
| 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 | - | |
| 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 | - | |
| 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 | Oct 31, 2025 | TT | Yes | No | - | - | - | Archived | 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 | 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 | - | 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 | 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 | TT | Yes | No | - | - | - | Archived | Oct 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.