CORNERSTONE CHURCH
PWS ID: WI2683099 · DELAFIELD, Wisconsin 53018-2932
Population Served
202
Total Violations
37
Health-Based Violations
17
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Waukesha
- School/Daycare
- No
- MCL Violations
- 17
- Monitoring Violations
- 10
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MCL | 17 | 2002 |
| Nitrate | MR | 10 | 2004 |
| Public Notice | Other | 10 | 2005 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.