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Public Water System
SYLVAN LAKE 1ST SUBDIVISION
PWSID IL0977100 · Illinois · 210 people served
A
ExcellentSYLVAN LAKE 1ST SUBDIVISION is an EPA-regulated public water system in Illinois (PWSID IL0977100). It serves an estimated 210 residents — a rural community of customers — across 1 community across 1 ZIP code.
SYLVAN LAKE 1ST SUBDIVISION 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
210
Cities
1
ZIPs
1
Violations
0
EPA Health-Based Violations
Health-based Maximum Contaminant Level (MCL) violations on file for SYLVAN LAKE 1ST SUBDIVISION over the past five years of EPA SDWIS reporting.
✅
No health-based violations in the last 5 years.
SYLVAN LAKE 1ST SUBDIVISION'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 SYLVAN LAKE 1ST SUBDIVISION
ZIP Codes Served
About this system
EPA records this system as PWSID IL0977100. 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 SYLVAN LAKE 1ST SUBDIVISION directly or review their annual Consumer Confidence Report (CCR).
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