Illinois · population 9,424
Lead pipes in LaSalle, IL
199 lead or galvanized lines to replace
Most of LaSalle (population 9,424) gets its water from La Salle. That system reported 146 lead and 53 galvanized-requiring-replacement service lines out of 4,181, with 3,214 more of unknown material.
4.8% of La Salle's service lines are lead or galvanized requiring replacement, lower than the Illinois average (17%) and higher than the national average (3.1%).
- Lead 3.5%
- Galvanized (replace) 1.3%
- Unknown 77%
- Non-lead 18%
Latest lead test for La Salle (Jul 2025–Dec 2025): 9 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists 1 Lead and Copper Rule violation since 2015 for La Salle.
Water systems serving LaSalle
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| La SalleMain system | 146 | 53 | 3,214 | 4.8% |
| PeruServes nearby areas | 165 | 13 | 2,784 | 3.6% |
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 LaSalle
The counts above cover the whole water system. To see whether your line is lead, look up your address on La Salle'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
- Peru178 lead + galv. lines
- North Utica22 lead + galv. lines
- Spring Valley1 lead + galv. lines
- Ladd50 lead + galv. lines
- Streator162 lead + galv. lines
- Sheridanno lead reported
- Somonaukno lead reported
- Planono lead reported
Check another water system
Questions
Does LaSalle, IL have lead pipes?
Yes. La Salle, which serves LaSalle, reported 146 lead and 53 galvanized-requiring-replacement service lines, plus 3,214 of unknown material.
Who supplies water to LaSalle?
EPA's service area maps place most of LaSalle in La Salle's service area (PWSID IL0990300). Peru also serves parts of the city or nearby areas.
How do I check whether my LaSalle home has a lead service line?
Search your address on La Salle'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 LaSalle 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 La Salle whether your street is scheduled and whether it covers the private side.