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WINNETKA

Serving 1 city in IL

Warning
7 above health guidelines
12K
People Served
1
City
1
Water Sources
0
MCL Violations

Official WINNETKA Resources

Emergency Contact

847-501-2531

Available 24/7 for emergencies

Visit Official Website

WINNETKA Service Area

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Service Area

This map shows the approximate service area for WINNETKA. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

WINNETKA Water Quality Grade

F
Failing

Significant water quality issues. Filter recommended.

Quality Score30/100
7
Above Health Guidelines
0
EPA Violations

Grade is calculated based on contaminants exceeding health guidelines (MCLG) and EPA Maximum Contaminant Level violations. A = Excellent (90-100), B = Good (80-89), C = Fair (70-79), D = Poor (60-69), F = Failing (<60).

Is WINNETKA Water Safe to Drink?

WINNETKA has reported 7 contaminants above EPA health-based guidelines (MCLGs) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.

This utility serves 12,385 people across 1 city in IL. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.

Get your water independently tested in Illinois β†’

WINNETKA Service Area

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WINNETKA Contact & Information

Emergency Line

847-501-2531

24/7 After-Hours

Mailing Address

1027 CENTRAL AVE Deerfield, IL 60015

B2B Contact Data

B2B Contact Data Available

Contacts for WINNETKA

Updated Jan 2026
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NameTitlePhoneEmail
Jβ–ˆβ–ˆβ–ˆβ–ˆ Sβ–ˆβ–ˆβ–ˆβ–ˆWater Treatment Supervisor(555) β–ˆβ–ˆβ–ˆ-β–ˆβ–ˆβ–ˆβ–ˆjβ–ˆβ–ˆβ–ˆβ–ˆ@cityβ–ˆβ–ˆβ–ˆβ–ˆ.gov
Mβ–ˆβ–ˆβ–ˆβ–ˆ Jβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆUtility Director(555) β–ˆβ–ˆβ–ˆ-β–ˆβ–ˆβ–ˆβ–ˆmβ–ˆβ–ˆβ–ˆβ–ˆ@waterβ–ˆβ–ˆβ–ˆβ–ˆ.org
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Water Sources & Treatment

Water Sources

Surface water

Treatment Methods

conventional

Disinfectant Used

chlorine

Recommended Water Filters for WINNETKA

Based on water quality data from cities served by WINNETKA, we recommend NSF-certified filters that can remove contaminants above health guidelines.

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