MONDAMIN WATER SUPPLY
PWS ID: IA4349094 · MARSHALLTOWN, Iowa 50158
Population Served
339
Total Violations
131
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 185
- County
- Harrison
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 90
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Total Haloacetic Acids (HAA5) | MR | 10 | 2008 |
| Nitrite | MR | 8 | 2024 |
| Coliform (TCR) | MR | 7 | 2010 |
| TTHM | MR | 5 | 2008 |
| Gross Alpha, Excl. Radon and U | MR | 4 | 1992 |
| Dalapon | MR | 4 | 2002 |
| Simazine | MR | 4 | 2002 |
| Di(2-ethylhexyl) phthalate | MR | 4 | 2002 |
| Dinoseb | MR | 4 | 2002 |
| 2,4-D | MR | 4 | 2002 |
| 2,4,5-TP | MR | 4 | 2002 |
| Benzo(a)pyrene | MR | 4 | 2002 |
| Pentachlorophenol | MR | 4 | 2002 |
| Di(2-ethylhexyl) adipate | MR | 4 | 2002 |
| LASSO | MR | 4 | 2002 |
| Chlorine | MR | 4 | 2010 |
| Combined Radium (-226 and -228) | MR | 4 | 2012 |
| Picloram | MR | 4 | 2002 |
| Atrazine | MR | 4 | 2002 |
| Consumer Confidence Rule | Other | 3 | 2014 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.