MARQUETTE WATER SUPPLY
PWS ID: IA2256041 · MARQUETTE, Iowa 52158
Population Served
429
Total Violations
57
Health-Based Violations
37
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 300
- County
- Clayton
- School/Daycare
- No
- MCL Violations
- 37
- Monitoring Violations
- 0
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Radium (-226 and -228) | MCL | 30 | 2016 |
| Coliform (TCR) | MCL | 7 | 1993 |
| Combined Radium (-226 and -228) | Other | 5 | 1982 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.