CORRIDOR RIDGE SUBDIVISION
PWS ID: IA5280303 · WALFORD, Iowa 52351
Population Served
108
Total Violations
60
Health-Based Violations
39
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 43
- County
- Johnson
- School/Daycare
- No
- MCL Violations
- 39
- Monitoring Violations
- 14
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MCL | 39 | 2022 |
| Nitrate | MR | 4 | 2018 |
| Revised Total Coliform Rule | MON | 4 | 2022 |
| Coliform (TCR) | MR | 4 | 2006 |
| Consumer Confidence Rule | Other | 3 | 2018 |
| Lead and Copper Rule | MR | 2 | 2021 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.