Bellflower, IL
Exceeded the action level in the past
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2025-2025). 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.
Bellflower at a glance
Bellflower serves about 343 people through 178 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Mclean County, Illinois. EPA system ID: IL1130150; phone on file: 309-929-9059. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is down 2.62 ppb from 2.62 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for Bellflower is 43.2 ppb across 13 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2024 | 2.62 ppb |
| 2024 | 2.62 ppb |
| 2023 | 3.78 ppb |
| 2023 | 3.78 ppb |
| 2022 | 7.2 ppb |
| 2022 | 7.2 ppb |
| 2021 | 12.4 ppb over 10 |
| 2021 | 12.4 ppb over 10 |
| 2020 | 5.48 ppb |
| 2020 | 0 (not detected) |
| 2019 | 43.2 ppb over 15 |
| 2016 | 0 (not detected) |
Against other Illinois systems
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. Bellflower's reported as 0 (not detected) sits at the 15th percentile in Illinois and the 19th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
34 other systems share Mclean County; 13 of them have a higher latest lead result than Bellflower. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Bloomington | 79,000 | 2.5 ppb |
| Normal | 52,736 | 3.7 ppb |
| Illinois State University-Normal | 6,600 | 0 (not detected) |
| Le Roy | 3,498 | 13 ppb |
| Heyworth | 2,853 | 0 (not detected) |
| Lexington | 1,930 | 0 (not detected) |
| Hudson | 1,847 | 0 (not detected) |
| Bloomington Township Pwd West Phase | 1,800 | 0 (not detected) |
| Chenoa | 1,800 | 1.7 ppb |
| Gridley | 1,411 | 0 (not detected) |
Your move
Test your own tap with a certified lab first-draw sample; Bellflower, 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 Bellflower 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. Why sampled homes are the worst-case ones is in the guide to reading the number. More in what a past exceedance means today.