Thief River Falls, MN · Pennington County

Thief River Falls Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Minnesota’s official records. Always confirm current status with Minnesota before making decisions based on this information.

System facts

System ID (PWSID): MN1570003
System type: Community Water System
Population served: 8,701
Service connections: 3,503
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
January 1, 2025 – January 31, 2025
Archived
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 2021 – August 31, 2021
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
December 1, 2017 – December 31, 2017
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
August 1, 2017 – August 31, 2017
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
July 1, 2017 – July 31, 2017
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2017 – June 30, 2017
Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2025 – January 31, 2025	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
January 1, 2021 – August 31, 2021	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
December 1, 2017 – December 31, 2017	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
August 1, 2017 – August 31, 2017	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
July 1, 2017 – July 31, 2017	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
June 1, 2017 – June 30, 2017	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

May 12, 2025State Public Notification received1 linked violation
April 16, 2025State Public Notification requested1 linked violation
April 16, 2025State Formal Notice of Violation issued1 linked violation
August 31, 2021State Compliance achieved1 linked violation
June 1, 2021State Public Notification requested1 linked violation
June 1, 2021State Formal Notice of Violation issued1 linked violation
April 16, 2019State Compliance achieved1 linked violation
September 6, 2018State Compliance achieved12 linked violations
August 31, 2018State Public Notification received3 linked violations
August 13, 2018State Public Notification requested5 linked violations
August 13, 2018State Public Notification received1 linked violation
August 13, 2018State Formal Notice of Violation issued2 linked violations
July 23, 2018State Public Notification requested2 linked violations
July 23, 2018State Formal Notice of Violation issued2 linked violations
June 13, 2018State Formal Notice of Violation issued3 linked violations
May 22, 2018State Public Notification requested2 linked violations
May 16, 2018State Public Notification received2 linked violations
April 24, 2018State Public Notification requested2 linked violations
March 26, 2018State Public Notification received1 linked violation
March 9, 2018State Public Notification requested2 linked violations
March 9, 2018State Formal Notice of Violation issued1 linked violation
March 2, 2018State Public Notification received2 linked violations
February 16, 2018State Public Notification requested1 linked violation
February 5, 2018State Public Notification received2 linked violations
January 17, 2018State Public Notification requested2 linked violations
December 1, 2017State Compliance achieved1 linked violation
November 22, 2017State Public Notification requested1 linked violation
November 22, 2017State Formal Notice of Violation issued5 linked violations
October 12, 2017State Public Notification received1 linked violation
October 10, 2017State Formal Notice of Violation issued1 linked violation
October 10, 2017State Public Notification requested1 linked violation
September 25, 2017State Public Notification requested1 linked violation
August 24, 2017State Public Notification received1 linked violation
August 14, 2017State Formal Notice of Violation issued1 linked violation
August 14, 2017State Public Notification requested1 linked violation
August 3, 2017State Public Notification received2 linked violations
July 14, 2017State Public Notification requested2 linked violations
July 14, 2017State Formal Notice of Violation issued2 linked violations
November 10, 2015State Public Notification received2 linked violations
November 1, 2015State Compliance achieved2 linked violations
October 30, 2015State Formal Notice of Violation issued2 linked violations
October 30, 2015State Public Notification requested2 linked violations
May 12, 2004State Public Notification received3 linked violations
April 14, 2004State Public Notification requested2 linked violations
April 14, 2004State Formal Notice of Violation issued2 linked violations
March 15, 1993State Public Notification received1 linked violation
February 15, 1993State Public Notification received2 linked violations
December 15, 1992State Public Notification received1 linked violation
May 15, 1992State Violation/Reminder Notice1 linked violation
September 30, 1987State Violation/Reminder Notice4 linked violations
September 30, 1987State Public Notification received6 linked violations
September 30, 1987State Bilateral Compliance Agreement signed3 linked violations
September 30, 1986State Public Notification requested5 linked violations
September 30, 1983State Public Notification received8 linked violations
September 30, 1981State Administrative/Compliance Order without penalty issued59 linked violations

Contact

Thief River Falls City Council

2186812943

Thief River Falls, MN 56701