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Public Water System
LITTLE WALNUT WATER TREATMENT FACILITY
PWSID OH2303212 · Ohio · 1,428 people served
A
ExcellentLITTLE WALNUT WATER TREATMENT FACILITY is an EPA-regulated public water system in Ohio (PWSID OH2303212). It serves an estimated 1,428 residents — a rural community of customers — across 1 community across 1 ZIP code.
LITTLE WALNUT WATER TREATMENT FACILITY 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
1,428
Cities
1
ZIPs
1
Violations
0
EPA Health-Based Violations
Health-based Maximum Contaminant Level (MCL) violations on file for LITTLE WALNUT WATER TREATMENT FACILITY over the past five years of EPA SDWIS reporting.
✅
No health-based violations in the last 5 years.
LITTLE WALNUT WATER TREATMENT FACILITY'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 LITTLE WALNUT WATER TREATMENT FACILITY
ZIP Codes Served
About this system
EPA records this system as PWSID OH2303212. 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 LITTLE WALNUT WATER TREATMENT FACILITY directly or review their annual Consumer Confidence Report (CCR).
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