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Public Water System
IONA WATER DEPT
PWSID ID7100041 · Idaho · 2,717 people served
A
ExcellentIONA WATER DEPT is an EPA-regulated public water system in Idaho (PWSID ID7100041). It serves an estimated 2,717 residents — a small town of customers — across 1 community across 1 ZIP code.
IONA WATER DEPT 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
2,717
Cities
1
ZIPs
1
Violations
0
EPA Health-Based Violations
Health-based Maximum Contaminant Level (MCL) violations on file for IONA WATER DEPT over the past five years of EPA SDWIS reporting.
✅
No health-based violations in the last 5 years.
IONA WATER DEPT'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 IONA WATER DEPT
ZIP Codes Served
About this system
EPA records this system as PWSID ID7100041. 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 IONA WATER DEPT directly or review their annual Consumer Confidence Report (CCR).
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