MAGGIES DINER
PWS ID: IA2258201 · MCGREGOR, Iowa 52157
Population Served
70
Total Violations
218
Health-Based Violations
26
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Clayton
- School/Daycare
- No
- MCL Violations
- 21
- Monitoring Violations
- 161
- Treatment Tech Violations
- 5
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 87 | 2010 |
| Coliform (TCR) | MR | 66 | 2014 |
| Nitrate | MCL | 15 | 2000 |
| Revised Total Coliform Rule | MON | 8 | 2019 |
| Coliform (TCR) | MCL | 6 | 1998 |
| Revised Total Coliform Rule | TT | 5 | 2018 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.