WISCONSIN DELLS WATERWORKS
PWS ID: WI1110113 · WISCONSIN DELLS, Wisconsin 53965-0655
Population Served
3,232
Total Violations
32
Health-Based Violations
11
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,525
- County
- Columbia
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 16
- Treatment Tech Violations
- 6
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Groundwater Rule | TT | 6 | 2022 |
| Coliform (TCR) | MR | 5 | 2014 |
| Coliform (TCR) | MCL | 5 | 1997 |
| Chlorine | MR | 5 | 2014 |
| Consumer Confidence Rule | Other | 4 | 2023 |
| Nitrate | MR | 4 | 2019 |
| Lead and Copper Rule | MR | 2 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.