GUNDER ROADHOUSE
PWS ID: IA0375838 · POSTVILLE, Iowa 52162
Population Served
25
Total Violations
231
Health-Based Violations
19
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Clayton
- School/Daycare
- No
- MCL Violations
- 19
- Monitoring Violations
- 135
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 120 | 2019 |
| Coliform (TCR) | MCL | 12 | 1993 |
| Public Notice | Other | 11 | 2019 |
| Coliform (TCR) | MR | 9 | 1999 |
| Nitrate | MCL | 7 | 1993 |
| Revised Total Coliform Rule | MON | 6 | 2019 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.