Illinois · population 12,494
Lead pipes in Winnetka, IL
1,083 lead or galvanized lines to replace
Most of Winnetka (population 12,494) gets its water from Winnetka. That system reported 1,083 lead and 0 galvanized-requiring-replacement service lines out of 4,430, with 0 more of unknown material.
24% of Winnetka's service lines are lead or galvanized requiring replacement, higher than the Illinois average (17%) and higher than the national average (3.1%).
- Lead 24%
- Galvanized (replace) 0%
- Unknown 0%
- Non-lead 76%
Latest lead test for Winnetka (2026): 7.6 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists no Lead and Copper Rule violations since 2015 for Winnetka.
Water systems serving Winnetka
Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.
Check your address in Winnetka
The counts above cover the whole water system. To see whether your line is lead, look up your address on Winnetka's official inventory. Utilities had to make these public by October 16, 2024.
No map yet? Do the 2-minute scratch and magnet test.
Protect your drinking water
If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.
Choosing a lead-certified filter · Testing your water · Replacement cost
Nearby cities
- Northfield85 lead + galv. lines
- Kenilworth245 lead + galv. lines
- Wilmette2,125 lead + galv. lines
- Glencoe528 lead + galv. lines
- Glenview427 lead + galv. lines
- Evanston9,468 lead + galv. lines
- Skokie6,349 lead + galv. lines
- Northbrook314 lead + galv. lines
Check another water system
Questions
Does Winnetka, IL have lead pipes?
Yes. Winnetka, which serves Winnetka, reported 1,083 lead and 0 galvanized-requiring-replacement service lines, plus 0 of unknown material.
Who supplies water to Winnetka?
EPA's service area maps place most of Winnetka in Winnetka's service area (PWSID IL0313330). Glencoe also serves parts of the city or nearby areas.
How do I check whether my Winnetka home has a lead service line?
Search your address on Winnetka's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.
When will lead pipes in Winnetka be replaced?
EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask Winnetka whether your street is scheduled and whether it covers the private side.