Illinois · population 26,533
Lead pipes in Chicago Heights, IL
2,812 lead or galvanized lines to replace
Most of Chicago Heights (population 26,533) gets its water from Chicago Heights. That system reported 2,794 lead and 18 galvanized-requiring-replacement service lines out of 9,609, with 6,477 more of unknown material.
29% of Chicago Heights's service lines are lead or galvanized requiring replacement, higher than the Illinois average (17%) and higher than the national average (3.1%).
- Lead 29%
- Galvanized (replace) 0.2%
- Unknown 67%
- Non-lead 3.3%
Latest lead test for Chicago Heights (Jul 2025–Dec 2025): 5.9 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists 1 Lead and Copper Rule violation since 2015 for Chicago Heights.
Water systems serving Chicago Heights
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Chicago HeightsMain system | 2,794 | 18 | 6,477 | 29% |
| South Chicago HeightsServes nearby areas | 760 | 5 | 150 | 50% |
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 Chicago Heights
The counts above cover the whole water system. To see whether your line is lead, look up your address on Chicago Heights'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
- South Chicago Heights765 lead + galv. lines
- Glenwoodno lead reported
- Ford Heightsno lead reported
- Steger834 lead + galv. lines
- Olympia Fields205 lead + galv. lines
- Flossmoor373 lead + galv. lines
- Park Forestno lead reported
- Homewood3,759 lead + galv. lines
Check another water system
Questions
Does Chicago Heights, IL have lead pipes?
Yes. Chicago Heights, which serves Chicago Heights, reported 2,794 lead and 18 galvanized-requiring-replacement service lines, plus 6,477 of unknown material.
Who supplies water to Chicago Heights?
EPA's service area maps place most of Chicago Heights in Chicago Heights's service area (PWSID IL0310450). South Chicago Heights also serves parts of the city or nearby areas.
How do I check whether my Chicago Heights home has a lead service line?
Search your address on Chicago Heights'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 Chicago Heights 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 Chicago Heights whether your street is scheduled and whether it covers the private side.