Aqua Illinois-University Park, IL
Exceeded the action level in the past
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2026-2028). 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.
About Aqua Illinois-University Park
Aqua Illinois-University Park serves about 7,002 people through 2,458 service connections, which makes it a medium-sized system under EPA's size classes. It is privately owned and draws surface water, in Will County, Illinois. EPA system ID: IL1975030; phone on file: 224-602-6779. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
Against the period ending 2025 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Aqua Illinois-University Park is 130 ppb across 17 monitoring periods, 6 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2028 | 0 (not detected) |
| 2025 | 0 (not detected) |
| 2024 | 1.5 ppb |
| 2023 | 2 ppb |
| 2022 | 7 ppb |
| 2022 | 12 ppb over 10 |
| 2022 | 12 ppb over 10 |
| 2021 | 8.5 ppb |
| 2021 | 8.5 ppb |
| 2021 | 20 ppb over 15 |
| 2021 | 20 ppb over 15 |
| 2020 | 14 ppb over 10 |
| 2020 | 96 ppb over 15 |
| 2020 | 96 ppb over 15 |
| 2019 | 89 ppb over 15 |
| 2019 | 130 ppb over 15 |
| 2017 | 0 (not detected) |
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-University Park's reported as 0 (not detected) sits at the 50th percentile in Illinois and the 36th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
49 other systems share Will County; 27 of them have a higher latest lead result than Aqua Illinois-University Park. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Joliet | 160,000 | 6.53 ppb |
| Il American-West Suburban | 73,978 | 0 (not detected) |
| Romeoville | 50,458 | 8.22 ppb |
| Plainfield | 50,000 | 0 (not detected) |
| New Lenox | 29,200 | 0 (not detected) |
| Il American-Homer Township | 24,543 | 0 (not detected) |
| Frankfort | 24,000 | 0.98 ppb |
| Lockport | 23,100 | 7.6 ppb |
| Crest Hill | 20,223 | 2.14 ppb |
| Mokena | 19,887 | 0 (not detected) |
Next steps for Glenview, IL
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-University Park whether it covers that cost before hiring anyone - many utilities now do.
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.