LIDDERDALE WATER SUPPLY
PWS ID: IA1453080 · LIDDERDALE, Iowa 51452
Population Served
166
Total Violations
161
Health-Based Violations
18
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 87
- County
- Carroll
- School/Daycare
- No
- MCL Violations
- 18
- Monitoring Violations
- 117
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Radium (-226 and -228) | MR | 25 | 1993 |
| Radium-226 | MR | 22 | 1991 |
| Radium-228 | MR | 22 | 1991 |
| Consumer Confidence Rule | Other | 22 | 2003 |
| Combined Radium (-226 and -228) | MCL | 18 | 1985 |
| Coliform (TCR) | MR | 9 | 1998 |
| Nitrate | MR | 5 | 1988 |
| Arsenic | MR | 4 | 1988 |
| Barium | MR | 4 | 1988 |
| Chromium | MR | 4 | 1988 |
| Lead and Copper Rule | MR | 4 | 1990 |
| Mercury | MR | 4 | 1988 |
| Fluoride | MR | 4 | 1988 |
| Cadmium | MR | 4 | 1988 |
| Selenium | MR | 3 | 1988 |
| Gross Alpha, Excl. Radon and U | MR | 3 | 1989 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.