Water Quality: Thief River Falls, MN
2 water systems • 8,751 people served
Multiple Health ViolationsWater Quality Summary
Thief River Falls is served by 2 public water systems with a combined service population of 8,751 people, and has 63 EPA Safe Drinking Water Act violations on record. Critically, 40 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Thief River Falls's violation count is 1027% above the national average for Minnesota. Contaminants associated with violations include E. coli.
Contaminants Found
Causes gastrointestinal illness; certain strains (e.g., O157:H7) can cause severe kidney failure and death.
Common source: Fecal contamination from humans or animals entering the water supply
EPA limit: Zero (no E. coli permitted in drinking water)
Water Systems Serving Thief River Falls
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| Thief River Falls | MN1570003 | Surface Water | 8,701 | 46 |
| Aaseby Court | MN1570005 | Groundwater | 50 | 17 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Minnesota
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.