LONDON WATER CO-OP
PWSID: OR4100239 · Cottage Grove, OR · Serves 63 people
LONDON WATER CO-OP has 126 health-based violations out of 126 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
LONDON WATER CO-OP (PWSID OR4100239) is a cws water system drawing from a surface water source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 63 people in Cottage Grove, OR, and is subject to primacy enforcement by the Oregon drinking-water program.
The system's federal compliance record contains 126 total violations, with 126 classified as health-based (MCL exceedances or treatment-technique failures). 3 distinct contaminants have been cited, including Turbidity, E. coli, Chlorine. Recorded violations span 2016–2025.
A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Oregon state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- OR4100239
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Cottage Grove, OR
- Population Served
- 63
- Health Violations
- Yes (126)
What contaminants are in this water system?
Violation History (126)
| Contaminant | Health | Date |
|---|---|---|
| Turbidity | Yes | Sep 1, 2025 |
| Turbidity | Yes | Sep 1, 2025 |
| Turbidity | Yes | Aug 1, 2025 |
| Turbidity | Yes | Jun 1, 2025 |
| Turbidity | Yes | Jun 1, 2025 |
| Turbidity | Yes | Jun 1, 2025 |
| Turbidity | Yes | Jun 1, 2025 |
| Turbidity | Yes | May 1, 2025 |
| Turbidity | Yes | May 1, 2025 |
| Turbidity | Yes | Apr 1, 2025 |
| Turbidity | Yes | Apr 1, 2025 |
| Turbidity | Yes | Mar 1, 2025 |
| Turbidity | Yes | Mar 1, 2025 |
| Turbidity | Yes | Mar 1, 2025 |
| Turbidity | Yes | Mar 1, 2025 |
| Turbidity | Yes | Feb 1, 2025 |
| Turbidity | Yes | Feb 1, 2025 |
| Turbidity | Yes | Feb 1, 2025 |
| Turbidity | Yes | Feb 1, 2025 |
| Turbidity | Yes | Jan 1, 2025 |
| Turbidity | Yes | Jan 1, 2025 |
| Turbidity | Yes | Dec 1, 2024 |
| Turbidity | Yes | Dec 1, 2024 |
| Turbidity | Yes | Dec 1, 2024 |
| Turbidity | Yes | Dec 1, 2024 |
| Turbidity | Yes | Nov 1, 2024 |
| Turbidity | Yes | Nov 1, 2024 |
| Turbidity | Yes | Nov 1, 2024 |
| Turbidity | Yes | May 1, 2024 |
| Turbidity | Yes | May 1, 2024 |
| Turbidity | Yes | May 1, 2024 |
| Turbidity | Yes | May 1, 2024 |
| Turbidity | Yes | May 1, 2024 |
| Turbidity | Yes | May 1, 2024 |
| Turbidity | Yes | Apr 1, 2024 |
| Turbidity | Yes | Apr 1, 2024 |
| Turbidity | Yes | Apr 1, 2024 |
| Turbidity | Yes | Mar 1, 2024 |
| Turbidity | Yes | Mar 1, 2024 |
| Turbidity | Yes | Mar 1, 2024 |
| Turbidity | Yes | Mar 1, 2024 |
| Turbidity | Yes | Mar 1, 2024 |
| Turbidity | Yes | Mar 1, 2024 |
| Turbidity | Yes | Mar 1, 2024 |
| Turbidity | Yes | Mar 1, 2024 |
| Turbidity | Yes | Feb 1, 2024 |
| Turbidity | Yes | Feb 1, 2024 |
| Turbidity | Yes | Feb 1, 2024 |
| Turbidity | Yes | Jan 1, 2024 |
| Turbidity | Yes | Jan 1, 2024 |
| Turbidity | Yes | Jan 1, 2024 |
| Turbidity | Yes | Jan 1, 2024 |
| Turbidity | Yes | Jan 1, 2024 |
| Turbidity | Yes | Jan 1, 2024 |
| Turbidity | Yes | Nov 1, 2023 |
| Turbidity | Yes | Nov 1, 2023 |
| Turbidity | Yes | Nov 1, 2023 |
| Turbidity | Yes | Nov 1, 2023 |
| Turbidity | Yes | Nov 1, 2023 |
| Turbidity | Yes | Nov 1, 2023 |
| Turbidity | Yes | Nov 1, 2023 |
| Turbidity | Yes | Nov 1, 2023 |
| Turbidity | Yes | Oct 1, 2023 |
| Turbidity | Yes | Oct 1, 2023 |
| Turbidity | Yes | Oct 1, 2023 |
| Turbidity | Yes | Oct 1, 2023 |
| Turbidity | Yes | Oct 1, 2023 |
| Turbidity | Yes | Oct 1, 2023 |
| Turbidity | Yes | May 1, 2023 |
| Turbidity | Yes | May 1, 2023 |
| Turbidity | Yes | May 1, 2023 |
| Turbidity | Yes | May 1, 2023 |
| Turbidity | Yes | May 1, 2023 |
| Turbidity | Yes | May 1, 2023 |
| Turbidity | Yes | May 1, 2023 |
| Turbidity | Yes | May 1, 2023 |
| Turbidity | Yes | Apr 1, 2023 |
| Turbidity | Yes | Apr 1, 2023 |
| Turbidity | Yes | Apr 1, 2023 |
| Turbidity | Yes | Apr 1, 2023 |
| Turbidity | Yes | Apr 1, 2023 |
| Turbidity | Yes | Apr 1, 2023 |
| Turbidity | Yes | Apr 1, 2023 |
| Turbidity | Yes | Apr 1, 2023 |
| Turbidity | Yes | Feb 1, 2023 |
| Turbidity | Yes | Feb 1, 2023 |
| Turbidity | Yes | Feb 1, 2023 |
| Turbidity | Yes | Feb 1, 2023 |
| Turbidity | Yes | Feb 1, 2023 |
| Turbidity | Yes | Feb 1, 2023 |
| Turbidity | Yes | Feb 1, 2023 |
| Turbidity | Yes | Feb 1, 2023 |
| Turbidity | Yes | Feb 1, 2023 |
| Turbidity | Yes | Feb 1, 2023 |
| Turbidity | Yes | Nov 1, 2022 |
| Turbidity | Yes | Nov 1, 2022 |
| Turbidity | Yes | Nov 1, 2022 |
| Turbidity | Yes | Nov 1, 2022 |
| Turbidity | Yes | Nov 1, 2022 |
| Turbidity | Yes | Nov 1, 2022 |
Frequently Asked Questions
Is LONDON WATER CO-OP water safe to drink?
How many people does LONDON WATER CO-OP serve?
What violations does LONDON WATER CO-OP have?
What contaminants have been found in LONDON WATER CO-OP water?
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About This Data
Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.