IOWA VALLEY ESTATES
PWS ID: IA4800634 · MARENGO, Iowa 52301
Population Served
46
Total Violations
121
Health-Based Violations
69
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 25
- County
- Iowa
- School/Daycare
- No
- MCL Violations
- 69
- Monitoring Violations
- 34
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MCL | 64 | 2023 |
| Coliform (TCR) | MCL | 5 | 2005 |
| Nitrate | MR | 4 | 1985 |
| Gross Alpha, Excl. Radon and U | MR | 4 | 1984 |
| Barium | MR | 3 | 1983 |
| Coliform (TCR) | MR | 3 | 2004 |
| Chromium | MR | 3 | 1983 |
| Arsenic | MR | 3 | 1983 |
| Fluoride | MR | 3 | 1983 |
| Cadmium | MR | 3 | 1983 |
| Selenium | MR | 3 | 1983 |
| Mercury | MR | 3 | 1983 |
| Combined Radium (-226 and -228) | MR | 2 | 1985 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.