Oronoco Estates MHC
PWS ID: MN1550008 · Chicago, Minnesota 60602
Population Served
505
Total Violations
10
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 218
- County
- Olmsted
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 10
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 5 | 2003 |
| Nitrate | MR | 4 | 1993 |
| Lead and Copper Rule | MR | 1 | 2021 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.