Living in Long Grove, IL: what to set up and who to call
Two school districts split the grades in Long Grove: Adlai E. Stevenson High School District 125 and Kildeer Countryside Community Consolidated School District 96. For home internet, most of Long Grove can choose between Xfinity and AT&T.
I’m new in town
What to set up in Long Grove, 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 Long Grove.
Power comes from Commonwealth Edison
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility, serves all of Long Grove. 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 Vernon Hills - Lake Co Pw
Vernon Hills - Lake Co Pw supplies Long Grove: about 22% of residents live in its service area. Countryside Lake Subdivision -Lake Co Pw serves another 6%. About 50% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It buys treated surface water (EPA lists Central Lake County Jawa as seller) and serves 33,207 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 83% of the 3,525 systems serving 10,001–50,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2021–Dec 2023, was 0.0 ppb, below the 15 ppb action level that applied. Results below detection are reported as 0, so 0 doesn’t mean no lead at any tap.
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. IL0971750.
4 home internet providers serve Long Grove
99% of 2,726 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 | 79% | 100/20 |
| Verizon | Fixed wireless | 74% | 300/20 |
| T-Mobile | Fixed wireless | 53% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Long Grove’s trash rules yet
Pickup rules, the dump and recycling in Long Grove.
Where your child goes to school
Public school districts and the school path by grade.
Long Grove is in two districts that split the grades: Adlai E. Stevenson High School District 125 and Kildeer Countryside Community Consolidated School District 96.
A+School 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.
Long Grove spans 2 ZIP codes
ZIP codes where Long Grove residents live, with the share of the town in each.
| ZIP | Post office name | Share of Long Grove | ZIP’s residents in Long Grove |
|---|---|---|---|
| 60047 | Lake Zurich, IL | 95% | 18% |
| 60060 | Mundelein, IL | 5% | 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 Long Grove
Who supplies Long Grove’s drinking water, and has it had violations?
Vernon Hills - Lake Co Pw (EPA ID IL0971750). It reported no health-based violations to EPA in the five years to October 2026; 83% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2021–Dec 2023), against a 15 ppb action level.
Who provides electricity in Long Grove?
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility. Its homes paid about 17.7¢ per kWh in 2025 (EIA).
What internet providers serve Long Grove?
Xfinity, AT&T, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Long Grove?
60047 (95%), 60060 (5%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Long Grove in?
Adlai E. Stevenson High School District 125 and Kildeer Countryside Community Consolidated School District 96. Parts of the city are in Diamond Lake School District 76 and Fremont School District 79 and Mundelein Consolidated High School District 120.
How do I register to vote in Long Grove?
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.