RANDOLPH WATER DEPT
PWS ID: WI1110125 · RANDOLPH, Wisconsin 53956
Population Served
1,800
Total Violations
202
Health-Based Violations
33
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 666
- County
- Columbia
- School/Daycare
- No
- MCL Violations
- 33
- Monitoring Violations
- 162
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Radium (-226 and -228) | MCL | 25 | 2025 |
| Revised Total Coliform Rule | MON | 12 | 2023 |
| Styrene | MR | 8 | 2003 |
| Coliform (TCR) | MR | 7 | 2000 |
| 1,1,2-Trichloroethane | MR | 6 | 1995 |
| 1,1,1-Trichloroethane | MR | 6 | 1995 |
| 1,2-Dichloropropane | MR | 6 | 1995 |
| Nitrate | MR | 6 | 1995 |
| Tetrachloroethylene | MR | 6 | 1995 |
| Toluene | MR | 6 | 1995 |
| cis-1,2-Dichloroethylene | MR | 6 | 1995 |
| 1,1-Dichloroethylene | MR | 6 | 1995 |
| o-Dichlorobenzene | MR | 6 | 1995 |
| CHLOROBENZENE | MR | 6 | 1995 |
| Trichloroethylene | MR | 6 | 1995 |
| Carbon tetrachloride | MR | 6 | 1995 |
| 1,2-Dichloroethane | MR | 6 | 1995 |
| trans-1,2-Dichloroethylene | MR | 6 | 1995 |
| Xylenes, Total | MR | 6 | 1995 |
| p-Dichlorobenzene | MR | 6 | 1995 |
| 1,2,4-Trichlorobenzene | MR | 6 | 1995 |
| Ethylbenzene | MR | 6 | 1995 |
| DICHLOROMETHANE | MR | 6 | 1995 |
| Vinyl chloride | MR | 6 | 1995 |
| Lead and Copper Rule | MR | 6 | 2024 |
| Benzene | MR | 6 | 1995 |
| Coliform (TCR) | MCL | 4 | 1999 |
| Arsenic | MCL | 4 | 2012 |
| Public Notice | Other | 3 | 2012 |
| Gross Alpha, Excl. Radon and U | MR | 3 | 1995 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.