Living in Lake Barrington, IL: what to set up and who to call
The latest lead test reported by the Tower Lakes water system, which supplies Lake Barrington, came in at 19.0 ppb (Jan 2024–Dec 2026), above the 15 ppb action level. For home internet, most of Lake Barrington can choose between Xfinity and AT&T.
I’m new in town
What to set up in Lake Barrington, and who provides it. Tap an answer for the details and where they come from.
Power, water and internet
Who to call to start service at a new address in Lake Barrington.
Power comes from Commonwealth Edison
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility, serves all of Lake Barrington. Its homes paid an average of 17.7¢ per kWh in 2025, about $107 a month (its average across Illinois, for customers on its standard service). Illinois lets you buy power from another supplier; 20% of Commonwealth Edison’s home customers do, and Commonwealth Edison still delivers it.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Tower Lakes water system
The Tower Lakes water system supplies Lake Barrington: about 35% of residents live in its service area. Lake Barrington serves another 17%. Lake Barrington Shores Subdivsion serves another 10%. Fox River Grove serves another 7%. About 28% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water and serves 1,372 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 7,966 systems serving 1,001–3,300 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2024–Dec 2026, was 19.0 ppb, above the 15 ppb action level that applied. That’s higher than 100% of similar systems’ latest results.
The system’s full record: EPA ECHO report
EPA SDWIS via Envirofacts (violations pulled Oct 9, 2026) and ECHO (lead samples, 2026Q3); service area: EPA Community Water System Service Area Boundaries v3.0 (EPA’s estimate). Violations are counted by the start of their compliance period. IL0975010.
4 home internet providers serve Lake Barrington
99% of 1,530 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 99% | 2,000/250 |
| AT&T | DSL, Fixed wireless | 64% | 100/20 |
| Verizon | Fixed wireless | 83% | 300/20 |
| T-Mobile | Fixed wireless | 68% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Lake Barrington’s trash rules yet
Pickup rules, the dump and recycling in Lake Barrington.
Where your child goes to school
Public school districts and the school path by grade.
Most of Lake Barrington (92%) is in Barrington Community Unit School District 220; parts are in Wauconda Community Unit School District 118 (8%).
ASchool gradeSee Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Jul 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Lake Barrington spans 2 ZIP codes
ZIP codes where Lake Barrington residents live, with the share of the town in each.
| ZIP | Post office name | Share of Lake Barrington | ZIP’s residents in Lake Barrington |
|---|---|---|---|
| 60010 | Barrington, IL | 96% | 11% |
| 60084 | Wauconda, IL | 4% | 1% |
Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.
Getting around, the ER and the library
One line each; the subject pages have the rest.
ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Lake Barrington
Who supplies Lake Barrington’s drinking water, and has it had violations?
The Tower Lakes water system (EPA ID IL0975010). It reported no health-based violations to EPA in the five years to October 2026; 78% of systems its size had none. Its latest lead 90th percentile was 19.0 ppb (Jan 2024–Dec 2026), against a 15 ppb action level.
Who provides electricity in Lake Barrington?
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility. Its homes paid about 17.7¢ per kWh in 2025 (EIA).
What internet providers serve Lake Barrington?
Xfinity, AT&T, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Lake Barrington?
60010 (96%), 60084 (4%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Lake Barrington in?
Barrington Community Unit School District 220. Parts of the city are in Wauconda Community Unit School District 118.
How do I register to vote in Lake Barrington?
In Illinois you can register online until 16 days before Election Day, in person up to and including Election Day, or by mail (postmarked 28 days before). Elections here are run by the Lake County Clerk. Check your registration at ova.elections.il.gov.
Sources & dates
Every answer above names its source. Here they are with their dates.
- Water: EPA SDWIS (Envirofacts, pulled Oct 9, 2026), ECHO SDWA 2026Q3, EPA CWS Service Area Boundaries v3.0.
- Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
- Trash: OpenStreetMap, Geofabrik extract of Oct 9, 2026. © OpenStreetMap contributors (ODbL).
- ZIP codes: Census 2020 ZCTA relationship files; GeoNames postal codes (CC BY 4.0).
- Schools: NCES Common Core of Data, 2024–25.
- Registration: vote.gov, updated Sep 12, 2025 (read Oct 10, 2026). Official sites and area codes: Wikidata.
- Election office: FVAP local election office directory (fetched Oct 10, 2026; each record dated), EAC EAVS 2024 jurisdictions; registration and lookup links from vote.gov’s state data, checked Oct 10, 2026.
- Internet: FCC National Broadband Map, as of December 2025.