Illinois · population 10,615
Lead pipes in Barrington, IL
432 lead or galvanized lines to replace
Most of Barrington (population 10,615) gets its water from Barrington. That system reported 422 lead and 10 galvanized-requiring-replacement service lines out of 4,415, with 0 more of unknown material.
9.8% of Barrington's service lines are lead or galvanized requiring replacement, lower than the Illinois average (17%) and higher than the national average (3.1%).
- Lead 9.6%
- Galvanized (replace) 0.2%
- Unknown 0%
- Non-lead 90%
Latest lead test for Barrington (Jan 2026–Jun 2026): 13 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 Barrington.
Water systems serving Barrington
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| BarringtonMain system | 422 | 10 | 0 | 9.8% |
| Aqua Illinois-Fairhaven EstatesServes nearby areas | 0 | 0 | 60 | 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 Barrington
The counts above cover the whole water system. To see whether your line is lead, look up your address on Barrington'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
- Deer Park26 lead + galv. lines
- Invernessno lead reported
- Lake Zurich26 lead + galv. lines
- North Barrington26 lead + galv. lines
- Barrington Hills47 lead + galv. lines
- South Barringtonno lead reported
- Lake Barringtonno lead reported
- Kildeer26 lead + galv. lines
Check another water system
Questions
Does Barrington, IL have lead pipes?
Yes. Barrington, which serves Barrington, reported 422 lead and 10 galvanized-requiring-replacement service lines, plus 0 of unknown material.
Who supplies water to Barrington?
EPA's service area maps place most of Barrington in Barrington's service area (PWSID IL0974080). Aqua Illinois-Fairhaven Estates also serves parts of the city or nearby areas.
How do I check whether my Barrington home has a lead service line?
Search your address on Barrington'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 Barrington 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 Barrington whether your street is scheduled and whether it covers the private side.