Illinois · population 30,794
Lead pipes in Highland Park, IL
1,773 lead or galvanized lines to replace
Most of Highland Park (population 30,794) gets its water from Highland Park. That system reported 1,740 lead and 33 galvanized-requiring-replacement service lines out of 10,452, with 1 more of unknown material.
17% of Highland Park'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 17%
- Galvanized (replace) 0.3%
- Unknown <0.1%
- Non-lead 83%
Latest lead test for Highland Park (Jul 2025–Dec 2025): 11 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 Highland Park.
Water systems serving Highland Park
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Highland ParkMain system | 1,740 | 33 | 1 | 17% |
| HighwoodServes nearby areas | 271 | 0 | 9 | 24% |
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 Highland Park
The counts above cover the whole water system. To see whether your line is lead, look up your address on Highland Park'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
- Highwood271 lead + galv. lines
- Deerfield276 lead + galv. lines
- Bannockburn1 lead + galv. lines
- Northbrook314 lead + galv. lines
- Glencoe528 lead + galv. lines
- Riverwoodsno lead reported
- Lake Forest250 lead + galv. lines
- Lincolnshireno lead reported
Check another water system
Questions
Does Highland Park, IL have lead pipes?
Yes. Highland Park, which serves Highland Park, reported 1,740 lead and 33 galvanized-requiring-replacement service lines, plus 1 of unknown material.
Who supplies water to Highland Park?
EPA's service area maps place most of Highland Park in Highland Park's service area (PWSID IL0970500). Highwood also serves parts of the city or nearby areas.
How do I check whether my Highland Park home has a lead service line?
Search your address on Highland Park'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 Highland Park 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 Highland Park whether your street is scheduled and whether it covers the private side.