Hickory Hills 2nd Addition, IL
Lead detected, under the action levels
Latest 90th-percentile lead: 3 ppb (monitoring period 2023-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
Who runs the water here
Hickory Hills 2nd Addition serves about 35 people through 14 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Rock Island County, Illinois. EPA system ID: IL1615450; phone on file: 309-721-7528. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
Against the period ending 2022 (3.4 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Hickory Hills 2nd Addition is 4.2 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 3 ppb |
| 2022 | 3.4 ppb |
| 2019 | 1.2 ppb |
| 2016 | 4.2 ppb |
How Hickory Hills 2nd Addition compares
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. Hickory Hills 2nd Addition's 3 ppb sits at the 80th percentile in Illinois and the 81st nationally (higher means more lead).
Neighbouring systems
46 other systems share Rock Island County; 8 of them have a higher latest lead result than Hickory Hills 2nd Addition. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Moline | 44,500 | 1.3 ppb |
| Rock Island | 39,018 | 0 (not detected) |
| East Moline | 21,374 | 16 ppb |
| Rock Island Arsenal, Us Army | 7,800 | 0 (not detected) |
| Silvis | 7,473 | 4.1 ppb |
| Milan | 4,945 | 7.18 ppb |
| Coal Valley | 3,873 | 0 (not detected) |
| Carbon Cliff | 2,134 | 0 (not detected) |
| Hampton | 1,863 | 1.3 ppb |
| Port Byron | 1,668 | 6 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Taylor Ridge, 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 Hickory Hills 2nd Addition 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. Systems that went over once often dip back under; here is what that means.