Thief River Falls, MN · Pennington County
Thief River Falls Water System
Consumer Confidence Report status
Thief River Falls must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for Thief River Falls.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
Thief River Falls is one of 90 community water systems in Minnesota in the 3,301 to 10,000 people size category, serving 8,701 people from surface water.
As of August 1, 2026, its federal record holds 7 entries between 2017 and 2025, all of which EPA lists as closed.
Of the 7, 2 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Surface Water Treatment Rules and the Lead and Copper Rule.
Violation history
Monthly Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
January 1, 2025 – January 31, 2025
ArchivedInitial Tap Sampling for Pb and Cu
—Lead and Copper Rule
January 1, 2021 – August 31, 2021
ResolvedMonthly Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
July 1, 2018 – July 31, 2018
ResolvedMonthly Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
May 1, 2018 – May 31, 2018
ResolvedMonthly Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
March 1, 2018 – March 31, 2018
ResolvedMonthly Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
October 1, 2017 – October 31, 2017
ResolvedMonitoring, 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 |
| July 1, 2018 – July 31, 2018 | Monthly Turbidity Exceed (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | Health-based | Resolved |
| May 1, 2018 – May 31, 2018 | Monthly Turbidity Exceed (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | Health-based | Resolved |
| March 1, 2018 – March 31, 2018 | Monthly Turbidity Exceed (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | Health-based | Resolved |
| October 1, 2017 – October 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 Formal Notice of Violation issued1 linked violation
- April 16, 2025State Public Notification requested1 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 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 2, 2018State Public Notification received4 linked violations
- June 13, 2018State Public Notification requested3 linked violations
- May 22, 2018State Formal Notice of Violation issued2 linked violations
- April 24, 2018State Formal Notice of Violation issued2 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 Formal Notice of Violation issued2 linked violations
- December 1, 2017State Compliance achieved1 linked violation
- November 22, 2017State Formal Notice of Violation issued5 linked violations
- November 22, 2017State Public Notification requested1 linked violation
- October 12, 2017State Public Notification received1 linked violation
- October 10, 2017State Public Notification requested1 linked violation
- October 10, 2017State Formal Notice of Violation issued1 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 Formal Notice of Violation issued2 linked violations
- July 14, 2017State Public Notification requested2 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
- October 6, 1998State Compliance achieved23 linked violations
- August 20, 1993State Compliance achieved2 linked violations
- March 15, 1993State Public Notification received1 linked violation
- March 15, 1993State Violation/Reminder Notice1 linked violation
- February 15, 1993State Violation/Reminder Notice1 linked violation
- February 15, 1993State Public Notification received2 linked violations
- January 15, 1993State Public Notification received1 linked violation
- January 15, 1993State Violation/Reminder Notice1 linked violation
- December 15, 1992State Violation/Reminder Notice1 linked violation
- May 15, 1992State Compliance achieved1 linked violation
- May 15, 1992State Violation/Reminder Notice1 linked violation
- September 30, 1987State Bilateral Compliance Agreement signed3 linked violations
- September 30, 1984State Compliance achieved1 linked violation
- September 30, 1981State Public Notification received6 linked violations
Common questions
Is Thief River Falls required to publish a Consumer Confidence Report?
- Yes. Thief River Falls is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is Thief River Falls’s next Consumer Confidence Report due?
- Thief River Falls’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does Thief River Falls have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for Thief River Falls.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
Thief River Falls City Council
2186812943
Thief River Falls, MN 56701