Illinois · population 75,596
Lead pipes in Arlington Heights, IL
3,832 lead or galvanized lines to replace
Most of Arlington Heights (population 75,596) gets its water from Arlington Heights. That system reported 3,832 lead and 0 galvanized-requiring-replacement service lines out of 170,527, with 51 more of unknown material.
2.2% of Arlington 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 2.2%
- Galvanized (replace) 0%
- Unknown <0.1%
- Non-lead 98%
Latest lead test for Arlington Heights (2026): 7.6 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 Arlington Heights.
Water systems serving Arlington Heights
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Arlington HeightsMain system | 3,832 | 0 | 51 | 2.2% |
| PalatineServes nearby areas | 280 | 261 | 7 | 2.7% |
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 Arlington Heights
The counts above cover the whole water system. To see whether your line is lead, look up your address on Arlington 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
- Rolling Meadows143 unknown
- Prospect Heightsno lead reported
- Mount Prospect727 lead + galv. lines
- Palatine541 lead + galv. lines
- Wheelingno lead reported
- Buffalo Groveno lead reported
- Des Plaines3,075 lead + galv. lines
- Invernessno lead reported
Check another water system
Questions
Does Arlington Heights, IL have lead pipes?
Yes. Arlington Heights, which serves Arlington Heights, reported 3,832 lead and 0 galvanized-requiring-replacement service lines, plus 51 of unknown material.
Who supplies water to Arlington Heights?
EPA's service area maps place most of Arlington Heights in Arlington Heights's service area (PWSID IL0314030). Palatine also serves parts of the city or nearby areas.
How do I check whether my Arlington Heights home has a lead service line?
Search your address on Arlington 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 Arlington 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 Arlington Heights whether your street is scheduled and whether it covers the private side.