Lake Barrington Shores Subdivsion, IL
Lead detected, under the action levels
Latest 90th-percentile lead: 6.7 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
Lake Barrington Shores Subdivsion serves about 2,300 people through 256 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws groundwater, in Lake County, Illinois. EPA system ID: IL0975520; phone on file: 847-382-1660. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lake Barrington Shores Subdivsion's lead record
That is up 3.3 ppb from 3.4 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Lake Barrington Shores Subdivsion is 6.7 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 6.7 ppb |
| 2021 | 3.4 ppb |
| 2018 | 3.3 ppb |
How Lake Barrington Shores Subdivsion 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. Lake Barrington Shores Subdivsion's 6.7 ppb sits at the 92nd percentile in Illinois and the 94th nationally (higher means more lead).
Nearby utilities
103 other systems share Lake County; 14 of them have a higher latest lead result than Lake Barrington Shores Subdivsion. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Waukegan | 87,149 | 10 ppb |
| Vernon Hills - Lake Co Pw | 33,207 | 0 (not detected) |
| Mundelein | 31,500 | 4.3 ppb |
| Gurnee | 30,193 | 0.3 ppb |
| Highland Park | 30,176 | 0 (not detected) |
| Round Lake Beach | 27,200 | 0 (not detected) |
| Zion | 24,442 | 11.2 ppb |
| Great Lakes Naval Training Station | 23,000 | 0 (not detected) |
| Grayslake | 21,248 | 11 ppb |
| Libertyville | 20,500 | 5.61 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Lake Barrington, 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 Lake Barrington Shores Subdivsion 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. The lead result guide covers how utilities pick the homes they sample. Systems that went over once often dip back under; here is what that means.