BUTTERNUT, WI · Ashland County
BUTTERNUT WATERWORKS Water System
Consumer Confidence Report status
BUTTERNUT 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 BUTTERNUT 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)
- WI8020375
- System type
- Community Water System
- Population served
- 283
- Service connections
- 194
- Ownership
- local government
- Water source
- groundwater (wells)
BUTTERNUT WATERWORKS is one of 1,289 community water systems in Wisconsin in the 500 or fewer people size category, serving 283 people from groundwater.
As of August 1, 2026, its federal record holds 17 entries between 1993 and 2025, all of which EPA lists as closed.
Of the 17, 15 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 volatile organic chemicals, the Consumer Confidence Rule, and the Groundwater Rule.
Violation history
Consumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2025 – September 24, 2025
ResolvedFailure To Address Deficiency
Health-basedGroundwater Rule
April 2, 2023 – May 16, 2023
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 1993 – December 31, 1993
ArchivedMonitoring, Regular
—Vinyl chloride
January 1, 1993 – December 31, 1993
ArchivedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 1993 – December 31, 1993
ArchivedMonitoring, Regular
—1,2-Dichloroethane
January 1, 1993 – December 31, 1993
ArchivedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 1993 – December 31, 1993
ArchivedMonitoring, Regular
—Carbon tetrachloride
January 1, 1993 – December 31, 1993
ArchivedMonitoring, Regular
—1,2-Dichloropropane
January 1, 1993 – December 31, 1993
ArchivedMonitoring, Regular
—Trichloroethylene
January 1, 1993 – December 31, 1993
ArchivedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 1993 – December 31, 1993
ArchivedMonitoring, Regular
—Tetrachloroethylene
January 1, 1993 – December 31, 1993
ArchivedMonitoring, Regular
—CHLOROBENZENE
January 1, 1993 – December 31, 1993
ArchivedMonitoring, Regular
—Benzene
January 1, 1993 – December 31, 1993
ArchivedMonitoring, Regular
—Toluene
January 1, 1993 – December 31, 1993
ArchivedMonitoring, Regular
—Ethylbenzene
January 1, 1993 – December 31, 1993
ArchivedMonitoring, Regular
—DICHLOROMETHANE
January 1, 1993 – December 31, 1993
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2025 – September 24, 2025 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| April 2, 2023 – May 16, 2023 | Failure To Address Deficiency | Groundwater Rule | Health-based | Resolved |
| January 1, 1993 – December 31, 1993 | Monitoring, Regular | p-Dichlorobenzene | — | Archived |
| January 1, 1993 – December 31, 1993 | Monitoring, Regular | Vinyl chloride | — | Archived |
| January 1, 1993 – December 31, 1993 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Archived |
| January 1, 1993 – December 31, 1993 | Monitoring, Regular | 1,2-Dichloroethane | — | Archived |
| January 1, 1993 – December 31, 1993 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Archived |
| January 1, 1993 – December 31, 1993 | Monitoring, Regular | Carbon tetrachloride | — | Archived |
| January 1, 1993 – December 31, 1993 | Monitoring, Regular | 1,2-Dichloropropane | — | Archived |
| January 1, 1993 – December 31, 1993 | Monitoring, Regular | Trichloroethylene | — | Archived |
| January 1, 1993 – December 31, 1993 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Archived |
| January 1, 1993 – December 31, 1993 | Monitoring, Regular | Tetrachloroethylene | — | Archived |
| January 1, 1993 – December 31, 1993 | Monitoring, Regular | CHLOROBENZENE | — | Archived |
| January 1, 1993 – December 31, 1993 | Monitoring, Regular | Benzene | — | Archived |
| January 1, 1993 – December 31, 1993 | Monitoring, Regular | Toluene | — | Archived |
| January 1, 1993 – December 31, 1993 | Monitoring, Regular | Ethylbenzene | — | Archived |
| January 1, 1993 – December 31, 1993 | Monitoring, Regular | DICHLOROMETHANE | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- October 8, 2024State Public Notification requested27 linked violations
- June 12, 2024State Public Notification received44 linked violations
- December 7, 2020State Compliance achieved61 linked violations
Common questions
Is BUTTERNUT WATERWORKS required to publish a Consumer Confidence Report?
- Yes. BUTTERNUT 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 BUTTERNUT WATERWORKS’s next Consumer Confidence Report due?
- BUTTERNUT WATERWORKS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does BUTTERNUT WATERWORKS have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for BUTTERNUT 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
PRITZL, CINDY - VILLAGE CLERK
Phone not on record
BUTTERNUT, WI 54514