ERIN SCHOOL
PWS ID: WI2670245 · HARTFORD, Wisconsin 53027-9757
Population Served
405
Total Violations
37
Health-Based Violations
10
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 1
- County
- Washington
- School/Daycare
- Yes
- MCL Violations
- 10
- Monitoring Violations
- 25
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 14 | 2000 |
| Coliform (TCR) | MCL | 10 | 2015 |
| Revised Total Coliform Rule | MON | 4 | 2024 |
| E. COLI | MR | 4 | 2024 |
| Nitrate | MR | 3 | 2002 |
| Public Notice | Other | 2 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.