Lead Pipe Map

Illinois · population 16,313

Lead pipes in Westchester, IL

3,399 lead or galvanized lines to replace

Most of Westchester (population 16,313) gets its water from Westchester. That system reported 3,399 lead and 0 galvanized-requiring-replacement service lines out of 7,081, with 26 more of unknown material.

48% of Westchester's service lines are lead or galvanized requiring replacement, higher than the Illinois average (17%) and higher than the national average (3.1%).

3,399Lead
0Galvanized, replace
26Unknown material
3,656Non-lead

Latest lead test for Westchester (Jul 2025–Dec 2025): 9 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.

Compliance record: EPA lists 1 Lead and Copper Rule violation since 2015 for Westchester.

Water systems serving Westchester

Water systemLeadGalv.Unknown% lead
WestchesterMain system3,39902648%
La Grange ParkServes nearby areas70814452921%

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 Westchester

The counts above cover the whole water system. To see whether your line is lead, look up your address on Westchester'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

Check another water system

Questions

Does Westchester, IL have lead pipes?

Yes. Westchester, which serves Westchester, reported 3,399 lead and 0 galvanized-requiring-replacement service lines, plus 26 of unknown material.

Who supplies water to Westchester?

EPA's service area maps place most of Westchester in Westchester's service area (PWSID IL0313150). La Grange Park also serves parts of the city or nearby areas.

How do I check whether my Westchester home has a lead service line?

Search your address on Westchester'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 Westchester 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 Westchester whether your street is scheduled and whether it covers the private side.