Westby, WI · Chippewa County
DUNCAN PRAIRIE MHC Water System
Consumer Confidence Report status
DUNCAN PRAIRIE MHC 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 DUNCAN PRAIRIE MHC.
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 Wisconsin’s official records. Always confirm current status with Wisconsin before making decisions based on this information.
System facts
- System ID (PWSID)
- WI6090445
- System type
- Community Water System
- Population served
- 64
- Service connections
- 35
- Ownership
- privately owned
- Water source
- groundwater (wells)
DUNCAN PRAIRIE MHC is one of 1,289 community water systems in Wisconsin in the 500 or fewer people size category, serving 64 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 1992, all of which EPA lists as closed. Nothing has been added since 1992.
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 Total Coliform Rules.
Violation history
Monitoring, Routine Major (TCR)
—Coliform (TCR)
October 1, 1992 – December 31, 1992
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 1992 – December 31, 1992 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- January 5, 2022State Compliance achieved30 linked violations
- March 7, 1994State Compliance achieved1 linked violation
- March 1, 1994State Public Notification received1 linked violation
- February 15, 1994State Public Notification requested1 linked violation
- February 15, 1994State Violation/Reminder Notice1 linked violation
- February 1, 1993State Public Notification received2 linked violations
- January 28, 1993State Compliance achieved1 linked violation
- January 20, 1993State Violation/Reminder Notice1 linked violation
- January 20, 1993State Public Notification requested1 linked violation
- January 6, 1992State Public Notification requested1 linked violation
Common questions
Is DUNCAN PRAIRIE MHC required to publish a Consumer Confidence Report?
- Yes. DUNCAN PRAIRIE MHC 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 DUNCAN PRAIRIE MHC’s next Consumer Confidence Report due?
- DUNCAN PRAIRIE MHC’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does DUNCAN PRAIRIE MHC have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for DUNCAN PRAIRIE MHC.
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
FRONTIER PROPERTY MANAGEMENT LLC
Phone not on record
Westby, WI 54667