STOCKYARD
PWS ID: IA2242203 · GARNAVILLO, Iowa 52049
Population Served
26
Total Violations
678
Health-Based Violations
109
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Clayton
- School/Daycare
- No
- MCL Violations
- 109
- Monitoring Violations
- 270
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Public Notice | Other | 201 | 2024 |
| Coliform (TCR) | MR | 135 | 2016 |
| Coliform (TCR) | MCL | 102 | 2002 |
| Nitrate | MR | 76 | 2025 |
| Revised Total Coliform Rule | MON | 44 | 2025 |
| E. COLI | MR | 12 | 2019 |
| Nitrate | MCL | 7 | 2011 |
| Nitrite | MR | 3 | 1997 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.