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Public Water System
HAY CREEK WATER COMPANY
PWSID SD4602143 · South Dakota · 323 people served
A
ExcellentHAY CREEK WATER COMPANY is an EPA-regulated public water system in South Dakota (PWSID SD4602143). It serves an estimated 323 residents — a rural community of customers — across 1 community across 1 ZIP code.
HAY CREEK WATER COMPANY 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
323
Cities
1
ZIPs
1
Violations
0
EPA Health-Based Violations
Health-based Maximum Contaminant Level (MCL) violations on file for HAY CREEK WATER COMPANY over the past five years of EPA SDWIS reporting.
✅
No health-based violations in the last 5 years.
HAY CREEK WATER COMPANY'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 HAY CREEK WATER COMPANY
ZIP Codes Served
About this system
EPA records this system as PWSID SD4602143. 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 HAY CREEK WATER COMPANY directly or review their annual Consumer Confidence Report (CCR).
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