Illinois · population 38,778
Lead pipes in Oswego, IL
No lead lines reported
Most of Oswego (population 38,778) gets its water from Oswego, which reported 12,051 service lines and no lead, galvanized or unknown lines.
0% of Oswego'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%
- Galvanized (replace) 0%
- Unknown 0%
- Non-lead 100%
Latest lead test for Oswego (2025): not detected 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 Oswego.
Water systems serving Oswego
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| OswegoMain system | 0 | 0 | 0 | 0% |
| IL American-Valley MarinaServes 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 Oswego
The counts above cover the whole water system. To see whether your line is lead, look up your address on Oswego'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
- Montgomeryno lead reported
- Yorkvilleno lead reported
- Plainfield128 lead + galv. lines
- Sugar Groveno lead reported
- North Aurora225 lead + galv. lines
- Planono lead reported
- Naperville293 lead + galv. lines
- Big Rockno lead reported
Check another water system
Questions
Does Oswego, IL have lead pipes?
Oswego, which serves Oswego, reported no lead, galvanized or unknown service lines.
Who supplies water to Oswego?
EPA's service area maps place most of Oswego in Oswego's service area (PWSID IL0930150). IL American-Valley Marina also serves parts of the city or nearby areas.
How do I check whether my Oswego home has a lead service line?
Search your address on Oswego'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 Oswego 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 Oswego whether your street is scheduled and whether it covers the private side.