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Public Water System
WINNER
PWSID SD4600373 · South Dakota · 2,921 people served
A
ExcellentWINNER is an EPA-regulated public water system in South Dakota (PWSID SD4600373). It serves an estimated 2,921 residents — a small town of customers — across 1 community across 1 ZIP code.
WINNER 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
2,921
Cities
1
ZIPs
1
Violations
0
EPA Health-Based Violations
Health-based Maximum Contaminant Level (MCL) violations on file for WINNER over the past five years of EPA SDWIS reporting.
✅
No health-based violations in the last 5 years.
WINNER'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 WINNER
ZIP Codes Served
About this system
EPA records this system as PWSID SD4600373. 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 WINNER directly or review their annual Consumer Confidence Report (CCR).
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