Lead Pipe Map

Illinois · population 4,634

Lead pipes in Sherman, IL

No lead lines reported

Most of Sherman (population 4,634) gets its water from Williamsville, which reported 2,581 service lines and no lead, galvanized or unknown lines.

0% of Williamsville'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
0Unknown material
2,581Non-lead

Latest lead test for Williamsville (2025): 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 Williamsville.

Water systems serving Sherman

Water systemLeadGalv.Unknown% lead
WilliamsvilleMain system0000%
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 Sherman

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

Williamsville, which serves Sherman, reported no lead, galvanized or unknown service lines.

Who supplies water to Sherman?

EPA's service area maps place most of Sherman in Williamsville's service area (PWSID IL1671300). Springfield also serves parts of the city or nearby areas.

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

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