DELAFIELD WATERWORKS
PWS ID: WI2684642 · Delafield, Wisconsin 53018
Population Served
300
Total Violations
36
Health-Based Violations
15
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 111
- County
- Waukesha
- School/Daycare
- No
- MCL Violations
- 15
- Monitoring Violations
- 19
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Radium (-226 and -228) | MCL | 11 | 2001 |
| Gross Alpha, Excl. Radon and U | MR | 6 | 2000 |
| Combined Radium (-226 and -228) | MR | 6 | 2000 |
| Gross Alpha, Excl. Radon and U | MCL | 4 | 2001 |
| Radium-226 | MR | 3 | 2000 |
| Radium-228 | MR | 3 | 2000 |
| Consumer Confidence Rule | Other | 2 | 2001 |
| Lead and Copper Rule | MR | 1 | 1995 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.