Lead Pipe Map

Illinois · population 2,295

Lead pipes in Farmington, IL

10 lead or galvanized lines to replace

Most of Farmington (population 2,295) gets its water from IL American-Farmington. That system reported 5 lead and 5 galvanized-requiring-replacement service lines out of 1,167, with 425 more of unknown material.

0.9% of IL American-Farmington's service lines are lead or galvanized requiring replacement, lower than the Illinois average (17%) and lower than the national average (3.1%).

5Lead
5Galvanized, replace
425Unknown material
732Non-lead

Latest lead test for IL American-Farmington (Jul 2025–Dec 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 IL American-Farmington.

Water systems serving Farmington

Water systemLeadGalv.Unknown% lead
IL American-FarmingtonMain system554250.9%

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 Farmington

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

Yes. IL American-Farmington, which serves Farmington, reported 5 lead and 5 galvanized-requiring-replacement service lines, plus 425 of unknown material.

Who supplies water to Farmington?

EPA's service area maps place most of Farmington in IL American-Farmington's service area (PWSID IL0570500).

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

Search your address on IL American-Farmington'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 Farmington 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 IL American-Farmington whether your street is scheduled and whether it covers the private side.