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Public Water System
CHEWELAH WATER DEPT SOUTH
PWSID WA5312750 · Washington · 2,615 people served
A
ExcellentCHEWELAH WATER DEPT SOUTH is an EPA-regulated public water system in Washington (PWSID WA5312750). It serves an estimated 2,615 residents — a small town of customers — across 1 community across 1 ZIP code.
CHEWELAH WATER DEPT SOUTH 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
2,615
Cities
1
ZIPs
1
Violations
0
EPA Health-Based Violations
Health-based Maximum Contaminant Level (MCL) violations on file for CHEWELAH WATER DEPT SOUTH over the past five years of EPA SDWIS reporting.
✅
No health-based violations in the last 5 years.
CHEWELAH WATER DEPT SOUTH'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 CHEWELAH WATER DEPT SOUTH
ZIP Codes Served
About this system
EPA records this system as PWSID WA5312750. 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 CHEWELAH WATER DEPT SOUTH directly or review their annual Consumer Confidence Report (CCR).
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