Illinois · population 10,761
Lead pipes in Summit, IL
1,491 lead or galvanized lines to replace
Most of Summit (population 10,761) gets its water from Summit. That system reported 1,259 lead and 232 galvanized-requiring-replacement service lines out of 2,516, with 209 more of unknown material.
59% of Summit's service lines are lead or galvanized requiring replacement, higher than the Illinois average (17%) and higher than the national average (3.1%).
- Lead 50%
- Galvanized (replace) 9.2%
- Unknown 8.3%
- Non-lead 32%
Latest lead test for Summit (Jan 2026–Jun 2026): 7 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists 3 Lead and Copper Rule violations since 2015, 2 still open for Summit.
Water systems serving Summit
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| SummitMain system | 1,259 | 232 | 209 | 59% |
| ChicagoServes nearby areas | 350,531 | 10,326 | 39,427 | 74% |
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 Summit
The counts above cover the whole water system. To see whether your line is lead, look up your address on Summit'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
- Lyons602 lead + galv. lines
- Justiceno lead reported
- Stickney136 lead + galv. lines
- Hodgkinsno lead reported
- Riverside219 lead + galv. lines
- Brookfield1,946 lead + galv. lines
- Bridgeviewno lead reported
- La Grange3,400 lead + galv. lines
Check another water system
Questions
Does Summit, IL have lead pipes?
Yes. Summit, which serves Summit, reported 1,259 lead and 232 galvanized-requiring-replacement service lines, plus 209 of unknown material.
Who supplies water to Summit?
EPA's service area maps place most of Summit in Summit's service area (PWSID IL0310060). Chicago also serves parts of the city or nearby areas.
How do I check whether my Summit home has a lead service line?
Search your address on Summit'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 Summit 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 Summit whether your street is scheduled and whether it covers the private side.