FONTANA WATER UTILITY
PWS ID: WI2650128 · FONTANA, Wisconsin 53125
Population Served
1,839
Total Violations
252
Health-Based Violations
23
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 681
- County
- Walworth
- School/Daycare
- No
- MCL Violations
- 22
- Monitoring Violations
- 199
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 19 | 2021 |
| Coliform (TCR) | MR | 9 | 2000 |
| Nitrate | MR | 9 | 2003 |
| Nitrate | MCL | 9 | 1999 |
| Nitrate-Nitrite | MCL | 9 | 1998 |
| TTHM | MR | 7 | 2019 |
| Total Haloacetic Acids (HAA5) | MR | 7 | 2019 |
| Coliform (TCR) | MCL | 4 | 1999 |
| 1,2,4-Trichlorobenzene | MR | 3 | 1999 |
| Vinyl chloride | MR | 3 | 1999 |
| trans-1,2-Dichloroethylene | MR | 3 | 1999 |
| 1,2-Dichloropropane | MR | 3 | 1999 |
| 1,1,2-Trichloroethane | MR | 3 | 1999 |
| Trichloroethylene | MR | 3 | 1999 |
| Ethylbenzene | MR | 3 | 1999 |
| Carbon tetrachloride | MR | 3 | 1999 |
| p-Dichlorobenzene | MR | 3 | 1999 |
| cis-1,2-Dichloroethylene | MR | 3 | 1999 |
| Arsenic | MR | 3 | 1999 |
| Fluoride | MR | 3 | 1999 |
| Nitrate-Nitrite | MR | 3 | 1999 |
| Selenium | MR | 3 | 1999 |
| Beryllium, Total | MR | 3 | 1999 |
| Thallium, Total | MR | 3 | 1999 |
| Nickel | MR | 3 | 1999 |
| Mercury | MR | 3 | 1999 |
| Chromium | MR | 3 | 1999 |
| Public Notice | Other | 3 | 2024 |
| o-Dichlorobenzene | MR | 3 | 1999 |
| CHLOROBENZENE | MR | 3 | 1999 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.