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Public Water System
MARIONVILLE
PWSID MO5010499 · Missouri · 2,092 people served
A
ExcellentMARIONVILLE is an EPA-regulated public water system in Missouri (PWSID MO5010499). It serves an estimated 2,092 residents — a small town of customers — across 1 community across 1 ZIP code.
MARIONVILLE 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
2,092
Cities
1
ZIPs
1
Violations
0
EPA Health-Based Violations
Health-based Maximum Contaminant Level (MCL) violations on file for MARIONVILLE over the past five years of EPA SDWIS reporting.
✅
No health-based violations in the last 5 years.
MARIONVILLE'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 MARIONVILLE
ZIP Codes Served
About this system
EPA records this system as PWSID MO5010499. 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 MARIONVILLE directly or review their annual Consumer Confidence Report (CCR).
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