COON VALLEY, WI · Vernon County
COON VALLEY WATERWORKS Water System
Consumer Confidence Report status
COON VALLEY WATERWORKS 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 COON VALLEY WATERWORKS.
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)
- WI6630252
- System type
- Community Water System
- Population served
- 765
- Service connections
- 340
- Ownership
- local government
- Water source
- groundwater (wells)
COON VALLEY WATERWORKS is one of 333 community water systems in Wisconsin in the 501 to 3,300 people size category, serving 765 people from groundwater.
As of August 1, 2026, EPA's published records contain no violations for this system.
Violation history
No violations on record for this system.
Enforcement actions
- November 18, 1992State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
Common questions
Is COON VALLEY WATERWORKS required to publish a Consumer Confidence Report?
- Yes. COON VALLEY WATERWORKS 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 COON VALLEY WATERWORKS’s next Consumer Confidence Report due?
- COON VALLEY WATERWORKS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does COON VALLEY WATERWORKS have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for COON VALLEY WATERWORKS.
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
VILLAGE OF COON VALLEY
Phone not on record
COON VALLEY, WI 54623-0129