THE BARN (SHERRILL)
PWS ID: IA3183722 · SHERRILL, Iowa 52073
Population Served
64
Total Violations
140
Health-Based Violations
55
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Dubuque
- School/Daycare
- No
- MCL Violations
- 55
- Monitoring Violations
- 60
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 55 | 2008 |
| Coliform (TCR) | MR | 35 | 2011 |
| Nitrate | MR | 24 | 1999 |
| Nitrite | MR | 1 | 1996 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.