Willmar, MN · Kandiyohi County
Willmar Water System
Consumer Confidence Report status
Willmar 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 Willmar.
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)
- MN1340016
- System type
- Community Water System
- Population served
- 21,045
- Service connections
- 6,996
- Ownership
- local government
- Water source
- groundwater (wells)
Willmar is one of 93 community water systems in Minnesota in the 10,001 to 100,000 people size category, serving 21,045 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 2025, all of which EPA lists as closed.
All 1 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 Lead and Copper Rule.
Violation history
Water Quality Parameter M/R
—Lead and Copper Rule
January 1, 2025 – June 30, 2025
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2025 – June 30, 2025 | Water Quality Parameter M/R | Lead and Copper Rule | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- December 16, 2025State Compliance achieved1 linked violation
- October 16, 2025State Formal Notice of Violation issued1 linked violation
- August 11, 2021State Compliance achieved1 linked violation
- February 23, 2021State Formal Notice of Violation issued1 linked violation
- February 23, 2021State Public Notification requested1 linked violation
- September 30, 1986State Compliance achieved1 linked violation
Common questions
Is Willmar required to publish a Consumer Confidence Report?
- Yes. Willmar 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 Willmar’s next Consumer Confidence Report due?
- Willmar’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does Willmar have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for Willmar.
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
Willmar City Council
3202354913
Willmar, MN 56201