Illinois · population 17,052
Lead pipes in Cahokia Heights, IL
No lead lines reported
Most of Cahokia Heights (population 17,052) gets its water from Cahokia Heights, which reported 5,347 service lines and no lead, galvanized or unknown lines.
0% of Cahokia Heights's service lines are lead or galvanized requiring replacement, lower than the Illinois average (17%) and lower than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 0%
- Unknown 0%
- Non-lead 100%
Latest lead test for Cahokia Heights (Jan 2026–Dec 2028): 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 Cahokia Heights.
Water systems serving Cahokia Heights
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Cahokia HeightsMain system | 0 | 0 | 0 | 0% |
| IL American-East St LouisServes nearby areas | 749 | 351 | 34,431 | 1.5% |
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 Cahokia Heights
The counts above cover the whole water system. To see whether your line is lead, look up your address on Cahokia 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
- East St. Louis1,100 lead + galv. lines
- Dupono lead reported
- Washington Park1,100 lead + galv. lines
- Fairmont1,100 lead + galv. lines
- Venice827 lead + galv. lines
- Caseyvilleno lead reported
- Fairview Heights33 lead + galv. lines
- Madison827 lead + galv. lines
Check another water system
Questions
Does Cahokia Heights, IL have lead pipes?
Cahokia Heights, which serves Cahokia Heights, reported no lead, galvanized or unknown service lines.
Who supplies water to Cahokia Heights?
EPA's service area maps place most of Cahokia Heights in Cahokia Heights's service area (PWSID IL1635000). IL American-East St Louis also serves parts of the city or nearby areas.
How do I check whether my Cahokia Heights home has a lead service line?
Search your address on Cahokia 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 Cahokia 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 Cahokia Heights whether your street is scheduled and whether it covers the private side.