Thief River Falls
PWSID: MN1570003 · Thief River Falls, MN · Serves 8,701 people
Thief River Falls has 40 health-based violations out of 40 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
Thief River Falls (PWSID MN1570003) 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 8,701 people in Thief River Falls, MN, and is subject to primacy enforcement by the Minnesota drinking-water program.
The system's federal compliance record contains 40 total violations, with 40 classified as health-based (MCL exceedances or treatment-technique failures). 1 distinct contaminant has been cited, including Turbidity. Recorded violations span 2017–2025.
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 Minnesota state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- MN1570003
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Thief River Falls, MN
- Population Served
- 8,701
- Health Violations
- Yes (40)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Turbidity | 40 | 40 |
Violation History (40)
| Contaminant | Health | Date |
|---|---|---|
| Turbidity | Yes | Jan 1, 2025 |
| Turbidity | Yes | Jul 1, 2018 |
| Turbidity | Yes | Jul 1, 2018 |
| Turbidity | Yes | Jul 1, 2018 |
| Turbidity | Yes | Jun 1, 2018 |
| Turbidity | Yes | Jun 1, 2018 |
| Turbidity | Yes | Jun 1, 2018 |
| Turbidity | Yes | May 1, 2018 |
| Turbidity | Yes | May 1, 2018 |
| Turbidity | Yes | May 1, 2018 |
| Turbidity | Yes | Apr 1, 2018 |
| Turbidity | Yes | Apr 1, 2018 |
| Turbidity | Yes | Apr 1, 2018 |
| Turbidity | Yes | Mar 1, 2018 |
| Turbidity | Yes | Mar 1, 2018 |
| Turbidity | Yes | Mar 1, 2018 |
| Turbidity | Yes | Feb 1, 2018 |
| Turbidity | Yes | Feb 1, 2018 |
| Turbidity | Yes | Feb 1, 2018 |
| Turbidity | Yes | Jan 1, 2018 |
| Turbidity | Yes | Jan 1, 2018 |
| Turbidity | Yes | Jan 1, 2018 |
| Turbidity | Yes | Dec 1, 2017 |
| Turbidity | Yes | Dec 1, 2017 |
| Turbidity | Yes | Dec 1, 2017 |
| Turbidity | Yes | Oct 1, 2017 |
| Turbidity | Yes | Oct 1, 2017 |
| Turbidity | Yes | Oct 1, 2017 |
| Turbidity | Yes | Sep 1, 2017 |
| Turbidity | Yes | Sep 1, 2017 |
| Turbidity | Yes | Sep 1, 2017 |
| Turbidity | Yes | Aug 1, 2017 |
| Turbidity | Yes | Aug 1, 2017 |
| Turbidity | Yes | Aug 1, 2017 |
| Turbidity | Yes | Jul 1, 2017 |
| Turbidity | Yes | Jul 1, 2017 |
| Turbidity | Yes | Jul 1, 2017 |
| Turbidity | Yes | Jun 1, 2017 |
| Turbidity | Yes | Jun 1, 2017 |
| Turbidity | Yes | Jun 1, 2017 |
Frequently Asked Questions
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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.