Country Estates Subdivision, IL
Lead detected, under the action levels
Latest 90th-percentile lead: 5.6 ppb (monitoring period 2022-2024). 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
Country Estates Subdivision serves about 188 people through 75 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Henry County, Illinois. EPA system ID: IL0735050; phone on file: 608-399-4618. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
That is up 3.1 ppb from 2.5 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Country Estates Subdivision is 5.6 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 5.6 ppb |
| 2021 | 2.5 ppb |
| 2018 | 2.9 ppb |
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. Country Estates Subdivision's 5.6 ppb sits at the 89th percentile in Illinois and the 92nd nationally (higher means more lead).
Neighbouring systems
38 other systems share Henry County; 1 of them has a higher latest lead result than Country Estates Subdivision. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Kewanee | 12,509 | 3.3 ppb |
| Geneseo | 6,539 | 2.7 ppb |
| Colona West | 2,640 | 1.6 ppb |
| Colona East | 2,501 | 1 ppb |
| Galva | 2,449 | 1.4 ppb |
| Cambridge | 2,086 | 1.3 ppb |
| Orion | 1,754 | 5.5 ppb |
| Atkinson | 955 | 2.85 ppb |
| Annawan | 843 | 0 (not detected) |
| Woodhull | 771 | 1.5 ppb |
Next steps for Geneseo, IL
Test your own tap with a certified lab first-draw sample; Geneseo, 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 Country Estates Subdivision 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. The action level is dropping - the 10 ppb rule from 2027.