CALKINS NATURE CENTER
PWS ID: IA4260401 · ACKLEY, Iowa 50601
Population Served
27
Total Violations
49
Health-Based Violations
12
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Local
- Connections
- 2
- County
- Hardin
- School/Daycare
- No
- MCL Violations
- 12
- Monitoring Violations
- 37
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MCL | 12 | 2025 |
| Nitrate | MR | 11 | 2022 |
| Coliform (TCR) | MR | 10 | 2004 |
| Revised Total Coliform Rule | MON | 9 | 2025 |
| Nitrite | MR | 7 | 2003 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.