BUTTERNUT WATERWORKS
PWS ID: WI8020375 · BUTTERNUT, Wisconsin 54514
Population Served
283
Total Violations
147
Health-Based Violations
31
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 194
- County
- Ashland
- School/Daycare
- No
- MCL Violations
- 9
- Monitoring Violations
- 96
- Treatment Tech Violations
- 22
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 24 | 2023 |
| Total Haloacetic Acids (HAA5) | MR | 20 | 2024 |
| TTHM | MR | 20 | 2024 |
| Groundwater Rule | TT | 18 | 2023 |
| Consumer Confidence Rule | Other | 14 | 2025 |
| Coliform (TCR) | MCL | 9 | 1995 |
| Lead and Copper Rule | MR | 8 | 2024 |
| Public Notice | Other | 4 | 2024 |
| Nitrate | MR | 4 | 2022 |
| Lead and Copper Rule | TT | 2 | 2012 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | 2 | 2022 |
| LEAD AND COPPER RULE REVISIONS | RPT | 1 | 2024 |
| cis-1,2-Dichloroethylene | MR | 1 | 1993 |
| Xylenes, Total | MR | 1 | 1993 |
| DICHLOROMETHANE | MR | 1 | 1993 |
| o-Dichlorobenzene | MR | 1 | 1993 |
| 1,1-Dichloroethylene | MR | 1 | 1993 |
| trans-1,2-Dichloroethylene | MR | 1 | 1993 |
| 1,2-Dichloroethane | MR | 1 | 1993 |
| 1,1,1-Trichloroethane | MR | 1 | 1993 |
| 1,2-Dichloropropane | MR | 1 | 1993 |
| Trichloroethylene | MR | 1 | 1993 |
| 1,1,2-Trichloroethane | MR | 1 | 1993 |
| CHLOROBENZENE | MR | 1 | 1993 |
| Benzene | MR | 1 | 1993 |
| Toluene | MR | 1 | 1993 |
| Ethylbenzene | MR | 1 | 1993 |
| Styrene | MR | 1 | 1993 |
| p-Dichlorobenzene | MR | 1 | 1993 |
| Tetrachloroethylene | MR | 1 | 1993 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.