Aqua Illinois-Kankakee, IL
Exceeded the action level in the past
Latest 90th-percentile lead: 1.9 ppb (monitoring period 2026-2026). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Aqua Illinois-Kankakee at a glance
Aqua Illinois-Kankakee serves about 80,000 people through 29,188 service connections, which makes it a large system under EPA's size classes. It is privately owned and draws surface water, in Kankakee County, Illinois. EPA system ID: IL0915030; phone on file: 224-602-6779. They can tell you what your service line is made of and whether they pay to replace it.
Aqua Illinois-Kankakee's lead record
Against the period ending 2025 (2.4 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Aqua Illinois-Kankakee is 131 ppb across 13 monitoring periods, 2 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1.9 ppb |
| 2025 | 2.4 ppb |
| 2025 | 1.8 ppb |
| 2024 | 5.8 ppb |
| 2023 | 4.2 ppb |
| 2022 | 6 ppb |
| 2021 | 5.8 ppb |
| 2020 | 7.5 ppb |
| 2019 | 2.5 ppb |
| 2019 | 14 ppb over 10 |
| 2019 | 131 ppb over 15 |
| 2018 | 17 ppb over 15 |
| 2016 | 2 ppb |
Where this result ranks
Of the 1,744 Illinois systems with a lead result, the median latest reading is 0 ppb; 22 are over 15 ppb right now and 152 have gone over at some point. Aqua Illinois-Kankakee's 1.9 ppb sits at the 72nd percentile in Illinois and the 69th nationally (higher means more lead).
Neighbouring systems
16 other systems share Kankakee County; 6 of them have a higher latest lead result than Aqua Illinois-Kankakee. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Momence | 3,075 | 3.4 ppb |
| Herscher | 1,600 | 0 (not detected) |
| Pembroke Township | 1,410 | 4.1 ppb |
| St Anne | 1,200 | 0 (not detected) |
| Sunny Acres Mhp | 750 | 1.2 ppb |
| Hopkins Park | 579 | 4.5 ppb |
| Lake Shannon | 500 | 0 (not detected) |
| Aqua Illinois-Sun River Terrace | 498 | 2.4 ppb |
| Buckingham | 300 | 3.3 ppb |
| Il Veterans Home-Manteno | 256 | - |
What to do in your house
Test your own tap with a certified lab first-draw sample; Glenview, IL may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Aqua Illinois-Kankakee whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 3300 ppb (copper action level 1,300 ppb).
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. What a 90th-percentile result does and does not tell you: how to read a lead result. More in what a past exceedance means today.