Lead Line Grants

Lead pipes in St. Clair County, Illinois

How many lead pipes are in St. Clair County, IL?

Water systems based in St. Clair County reported 751 lead service lines, 408 galvanized lines that need replacing and 36,311 lines of unknown material to EPA (Q3 2026). East St. Louis (Illinois American Water) has the most, with 1,100 lead and galvanized lines.

Lead lines751
Galvanized (replace)408
Unknown material36,311
Water systems5
Lead and galvanized lines by water system in St. Clair County
East St. Louis (Illinois Amer…1,100O Fallon33Freeburg21Mascoutah5

Free replacement program confirmed

Who pays in Illinois

Illinois was one of the first states to require full replacement of every lead service line. Each water supply must file a final replacement plan by April 15, 2027, then replace a set share of its lead lines every year, on a timeline of 15 to 50 years depending on how many it has. A utility may bill the owner for the private side only if it is not using state or federal money for that work, and an owner can sign a waiver to decline private-side replacement. Illinois EPA lends to water systems and forgives part of the loan in lower-income communities, which is why many Illinois programs are free.

Confirmed programs in St. Clair County

Every St. Clair County water system with lead lines

Systems are grouped by the county EPA lists as their main service area. Some serve towns in neighboring counties too.

Water systemLeadGalv.UnknownProgram
East St. Louis (Illinois American Water)
IL American-East St Louis
74935134,431Free, utility schedules
O Fallon
O Fallon
033457Not confirmed
Freeburg
Freeburg
0210Not confirmed
Mascoutah
Mascoutah
230Not confirmed
Lebanon
Lebanon
001,423Not confirmed

Systems over the new 10 ppb lead action level

Lebanon (12.2 ppb, 2025-01 to 2025-12). See all systems over 10 ppb.

Get lead line replacement quotes in St. Clair County

Compare prices from licensed local plumbers who replace water service lines. Useful if your utility's program doesn't cover you, has a long wait, or you need the work done sooner.

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Common questions

How many lead pipes are in St. Clair County, IL?

Water systems based in St. Clair County reported 751 lead service lines, 408 galvanized lines that need replacing and 36,311 lines of unknown material to EPA (Q3 2026). East St. Louis (Illinois American Water) has the most, with 1,100 lead and galvanized lines.

Who pays to replace lead service lines in St. Clair County?

It depends on your water utility. Illinois was one of the first states to require full replacement of every lead service line. We have confirmed programs for 1 St. Clair County utility, listed on this page.

How do I find out if my house has a lead service line?

Look up your address on your water utility's service line inventory map, or check the pipe where it enters your home: lead is dull gray, soft, scratches to shiny silver, and a magnet won't stick. See our step-by-step guide.

Other Illinois counties

Cook CountyKane CountyWinnebago CountyLake CountyPeoria CountyDupage CountyMacon CountyRock Island CountyMcLean CountyMorgan CountyWill CountyMcHenry CountyIllinois →