Lake County Public Water District
EPA ID: IL0975790 · 1 people served · 1 ZIP code
Unlike many utilities its size, Lake County Public Water District carries a violation-free five-year record — no EPA notices, no MCL exceedances, serving 1 people.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Demographics
The Lake County Public Water District serves a community with a median household income of $65,647 and an estimated 30,485 residents across its service area. Approximately 67% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Lake County Public Water District's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
About 1% of homes in Lake County, Illinois rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Illinois
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Lake County Public Water District (EPA ID: IL0975790) is a community water system in Illinois that serves approximately 1 people from surface water sources.
This system serves ZIP code 60099 in Zion.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
- 60099 — Zion
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Lake County Public Water District (IL0975790) on EPA.gov.
Frequently Asked Questions
Is Lake County Public Water District water safe to drink?
Based on EPA records, Lake County Public Water District has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Lake County Public Water District serve?
Lake County Public Water District serves approximately 1 people across 1 ZIP code in Illinois.
Where does Lake County Public Water District get its water?
The primary water source is surface water.