Water Quality: Marengo, IA
2 water systems • 2,481 people served
Multiple Health ViolationsWater Quality Summary
Marengo is served by 2 public water systems with a combined service population of 2,481 people, and has 39 EPA Safe Drinking Water Act violations on record. Critically, 35 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Marengo's violation count is 146% above the national average for Iowa. Contaminants associated with violations include Selenium.
Contaminants Found
Hair loss, nail brittleness, and nervous system damage at elevated concentrations.
Common source: Natural geological deposits, mining discharges, oil refinery waste
EPA limit: 0.05 mg/L (50 ppb)
Water Systems Serving Marengo
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| MARENGO WATER SUPPLY | IA4843033 | Groundwater | 2,435 | 4 |
| IOWA VALLEY ESTATES | IA4800634 | Groundwater | 46 | 35 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Iowa
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.