LANNON WATER UTILITY
PWS ID: WI2686008 · LANNON, Wisconsin 53046
Population Served
172
Total Violations
9
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 24
- County
- Waukesha
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 4
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 5 | 2012 |
| Revised Total Coliform Rule | MON | 4 | 2025 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.