Lead Pipe Map

Illinois · population 14,639

Lead pipes in Chatham, IL

2,934 lines still unidentified

Most of Chatham (population 14,639) gets its water from Chatham. It reported no confirmed lead service lines, but 2,934 of 6,316 lines are still listed as unknown material, so lead hasn't been ruled out.

0% of Chatham's service lines are lead or galvanized requiring replacement, lower than the Illinois average (17%) and lower than the national average (3.1%).

0Lead
0Galvanized, replace
2,934Unknown material
3,382Non-lead

Latest lead test for Chatham (Jan 2025–Dec 2027): not detected 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 Chatham.

Water systems serving Chatham

Water systemLeadGalv.Unknown% lead
ChathamMain system002,9340%
SpringfieldServes nearby areas9911,2616,9494.1%

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 Chatham

The counts above cover the whole water system. To see whether your line is lead, look up your address on Chatham'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 Chatham, IL have lead pipes?

None are confirmed, but Chatham still lists 2,934 service lines as unknown material.

Who supplies water to Chatham?

EPA's service area maps place most of Chatham in Chatham's service area (PWSID IL1670300). Springfield also serves parts of the city or nearby areas.

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

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