KNOLLS WATER COOPERATIVE
PWS ID: WI2300145 · HINSDALE, Wisconsin 60521
Population Served
400
Total Violations
39
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 293
- County
- Kenosha
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 38
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 21 | 2006 |
| Lead and Copper Rule | MR | 5 | 2013 |
| Glyphosate | MR | 4 | 1994 |
| Endothall | MR | 4 | 1994 |
| Diquat | MR | 4 | 1994 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.