Illinois · population 26,915
Lead pipes in Lockport, IL
44 lead or galvanized lines to replace
Most of Lockport (population 26,915) gets its water from Lockport. That system reported 44 lead and 0 galvanized-requiring-replacement service lines out of 9,780, with 8 more of unknown material.
0.4% of Lockport's service lines are lead or galvanized requiring replacement, lower than the Illinois average (17%) and lower than the national average (3.1%).
- Lead 0.4%
- Galvanized (replace) 0%
- Unknown <0.1%
- Non-lead 99%
Latest lead test for Lockport (Jan 2026–Jun 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 Lockport.
Water systems serving Lockport
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| LockportMain system | 44 | 0 | 8 | 0.4% |
| Bonnie Brae Forest Manor SndstAlso serves parts of the city | 0 | 0 | 0 | 0% |
| IL American-Homer TownshipServes nearby areas | 0 | 0 | 0 | 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 Lockport
The counts above cover the whole water system. To see whether your line is lead, look up your address on Lockport'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
- Homer Glenno lead reported
- Crest Hill138 lead + galv. lines
- New Lenoxno lead reported
- Rockdale14 lead + galv. lines
- Bolingbrookno lead reported
- Joliet307 lead + galv. lines
- Orland Park18 lead + galv. lines
- Mokenano lead reported
Check another water system
Questions
Does Lockport, IL have lead pipes?
Yes. Lockport, which serves Lockport, reported 44 lead and 0 galvanized-requiring-replacement service lines, plus 8 of unknown material.
Who supplies water to Lockport?
EPA's service area maps place most of Lockport in Lockport's service area (PWSID IL1970500). Bonnie Brae Forest Manor Sndst, IL American-Homer Township also serve parts of the city or nearby areas.
How do I check whether my Lockport home has a lead service line?
Search your address on Lockport'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 Lockport 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 Lockport whether your street is scheduled and whether it covers the private side.