CRESCENT WATER SUPPLY
PWS ID: IA7822086 · MARSHALLTOWN, Iowa 50158
Population Served
778
Total Violations
68
Health-Based Violations
18
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 329
- County
- Pottawattamie
- School/Daycare
- No
- MCL Violations
- 18
- Monitoring Violations
- 27
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 15 | 2015 |
| Total Haloacetic Acids (HAA5) | MR | 12 | 2024 |
| TTHM | MR | 12 | 2024 |
| Fluoride | MCL | 3 | 1984 |
| Coliform (TCR) | MR | 3 | 2000 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.