UNITED PARCEL SERVICE
PWS ID: WI2681237 · ELM GROVE, Wisconsin 53122
Population Served
250
Total Violations
48
Health-Based Violations
19
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Waukesha
- School/Daycare
- No
- MCL Violations
- 19
- Monitoring Violations
- 29
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 17 | 2001 |
| Coliform (TCR) | MCL | 15 | 2003 |
| Lead and Copper Rule | MR | 9 | 2013 |
| Revised Total Coliform Rule | MCL | 4 | 2022 |
| Nitrate | MR | 3 | 1994 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.