Illinois · population 8,031
Lead pipes in Hillside, IL
486 lead or galvanized lines to replace
Most of Hillside (population 8,031) gets its water from Hillside. That system reported 484 lead and 2 galvanized-requiring-replacement service lines out of 2,365, with 1,491 more of unknown material.
21% of Hillside's service lines are lead or galvanized requiring replacement, about the same as the Illinois average (17%) and higher than the national average (3.1%).
- Lead 20%
- Galvanized (replace) <0.1%
- Unknown 63%
- Non-lead 16%
Latest lead test for Hillside (2025): 3 ppb 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 Hillside.
Water systems serving Hillside
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| HillsideMain system | 484 | 2 | 1,491 | 21% |
| WestchesterServes nearby areas | 3,399 | 0 | 26 | 48% |
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 Hillside
The counts above cover the whole water system. To see whether your line is lead, look up your address on Hillside'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
- Westchester3,399 lead + galv. lines
- Berkeley472 lead + galv. lines
- Bellwood1,257 lead + galv. lines
- Broadview951 lead + galv. lines
- Stone Park71 lead + galv. lines
- La Grange Park852 lead + galv. lines
- Elmhurst1,205 lead + galv. lines
- Maywood5,058 lead + galv. lines
Check another water system
Questions
Does Hillside, IL have lead pipes?
Yes. Hillside, which serves Hillside, reported 484 lead and 2 galvanized-requiring-replacement service lines, plus 1,491 of unknown material.
Who supplies water to Hillside?
EPA's service area maps place most of Hillside in Hillside's service area (PWSID IL0311230). Westchester also serves parts of the city or nearby areas.
How do I check whether my Hillside home has a lead service line?
Search your address on Hillside'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 Hillside 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 Hillside whether your street is scheduled and whether it covers the private side.