Illinois · population 1,294
Lead pipes in Onarga, IL
19 lead or galvanized lines to replace
Most of Onarga (population 1,294) gets its water from Onarga. That system reported 19 lead and 0 galvanized-requiring-replacement service lines out of 523, with 0 more of unknown material.
3.6% of Onarga's service lines are lead or galvanized requiring replacement, lower than the Illinois average (17%) and about the same as the national average (3.1%).
- Lead 3.6%
- Galvanized (replace) 0%
- Unknown 0%
- Non-lead 96%
Latest lead test for Onarga (Jul 2025–Dec 2025): not detected 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 Onarga.
Water systems serving Onarga
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 Onarga
The counts above cover the whole water system. To see whether your line is lead, look up your address on Onarga'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
- Gilman52 lead + galv. lines
- Kankakee2,206 lead + galv. lines
- Limestone2,206 lead + galv. lines
- Bradley2,206 lead + galv. lines
- Fisher8 lead + galv. lines
- Bourbonnais2,206 lead + galv. lines
- Thomasborono lead reported
- Pontiac683 lead + galv. lines
Check another water system
Questions
Does Onarga, IL have lead pipes?
Yes. Onarga, which serves Onarga, reported 19 lead and 0 galvanized-requiring-replacement service lines, plus 0 of unknown material.
Who supplies water to Onarga?
EPA's service area maps place most of Onarga in Onarga's service area (PWSID IL0750700). Gilman also serves parts of the city or nearby areas.
How do I check whether my Onarga home has a lead service line?
Search your address on Onarga'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 Onarga 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 Onarga whether your street is scheduled and whether it covers the private side.