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Public Water System
MARENGO WATER SUPPLY
PWSID IA4843033 · Iowa · 2,435 people served
A
ExcellentMARENGO WATER SUPPLY is an EPA-regulated public water system in Iowa (PWSID IA4843033). It serves an estimated 2,435 residents — a small town of customers — across 1 community across 1 ZIP code.
MARENGO WATER SUPPLY has maintained full EPA Safe Drinking Water Act compliance over the most recent five-year reporting window. No health-based Maximum Contaminant Level (MCL) exceedances are on record. The grade of A reflects this clean compliance history.
Service Area
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Centered on the averaged ZIP-code centroid of 1 ZIP served.
Population
2,435
Cities
1
ZIPs
1
Violations
0
EPA Health-Based Violations
Health-based Maximum Contaminant Level (MCL) violations on file for MARENGO WATER SUPPLY over the past five years of EPA SDWIS reporting.
✅
No health-based violations in the last 5 years.
MARENGO WATER SUPPLY's water systems have met EPA health-based Maximum Contaminant Level (MCL) requirements throughout the EPA reporting window. This does not mean zero detection of regulated contaminants — it means all measured concentrations remained below their federal action levels.
Cities Served by MARENGO WATER SUPPLY
ZIP Codes Served
About this system
EPA records this system as PWSID IA4843033. Data reflects the most recent EPA SDWIS publication as of 2026-05-18. Public Water System Identifiers (PWSIDs) are assigned by the EPA's Safe Drinking Water Act program to track every regulated water utility in the United States. The first two letters typically indicate the state primacy agency. For real-time water quality information, contact MARENGO WATER SUPPLY directly or review their annual Consumer Confidence Report (CCR).
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