Illinois · population 17,598
Lead pipes in Hinsdale, IL
183 lead or galvanized lines to replace
Most of Hinsdale (population 17,598) gets its water from Hinsdale. That system reported 183 lead and 0 galvanized-requiring-replacement service lines out of 5,785, with 261 more of unknown material.
3.2% of Hinsdale's service lines are lead or galvanized requiring replacement, lower than the Illinois average (17%) and about the same as the national average (3.1%).
- Lead 3.2%
- Galvanized (replace) 0%
- Unknown 4.5%
- Non-lead 92%
Latest lead test for Hinsdale (Jul 2025–Dec 2025): 5 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 Hinsdale.
Water systems serving Hinsdale
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| HinsdaleMain system | 183 | 0 | 261 | 3.2% |
| Western SpringsServes nearby areas | 383 | 31 | 53 | 9.0% |
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 Hinsdale
The counts above cover the whole water system. To see whether your line is lead, look up your address on Hinsdale'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
- Western Springs414 lead + galv. lines
- Clarendon Hills160 lead + galv. lines
- Westmont245 lead + galv. lines
- Willowbrook1,516 unknown
- Indian Head Parkno lead reported
- Oak Brook9 lead + galv. lines
- La Grange3,400 lead + galv. lines
- La Grange Park852 lead + galv. lines
Check another water system
Questions
Does Hinsdale, IL have lead pipes?
Yes. Hinsdale, which serves Hinsdale, reported 183 lead and 0 galvanized-requiring-replacement service lines, plus 261 of unknown material.
Who supplies water to Hinsdale?
EPA's service area maps place most of Hinsdale in Hinsdale's service area (PWSID IL0434520). Western Springs also serves parts of the city or nearby areas.
How do I check whether my Hinsdale home has a lead service line?
Search your address on Hinsdale'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 Hinsdale 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 Hinsdale whether your street is scheduled and whether it covers the private side.