Living in Grandwood Park, IL: what to set up and who to call
Grandwood Park has no town government of its own, so Lake County runs its elections and most services, and its children attend Warren Township High School District 121. Xfinity and AT&T both wire most of Grandwood Park; 30% of addresses can get fiber.
I’m new in town
What to set up in Grandwood Park, 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 Grandwood Park.
Power comes from Commonwealth Edison
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility, serves all of Grandwood Park. 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 Grandwood Park Subdivision - Lake Co Pw
Grandwood Park Subdivision - Lake Co Pw supplies Grandwood Park: about 92% of residents live in its service area. About 8% 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 5,751 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 80% of the 5,012 systems serving 3,301–10,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2025, was 1.1 ppb, below the 15 ppb action level that applied. That’s higher than 53% 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. IL0975600.
5 home internet providers serve Grandwood Park
100% of 1,652 addresses can get 100/20 Mbps; 30% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 100% | 2,000/250 |
| AT&T | DSL, Fixed wireless, Fiber | 97% | 100/20 |
| E-vergent | Fiber, Fixed wireless | 47% | 10,000/10,000 |
| Verizon | Fixed wireless | 66% | 300/20 |
| T-Mobile | Fixed wireless | 36% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Grandwood Park’s trash rules yet
Pickup rules, the dump and recycling in Grandwood Park.
Where your child goes to school
Public school districts and the school path by grade.
Grandwood Park is in two districts that split the grades: Warren Township High School District 121 and Woodland Community Consolidated School District 50.
B+School gradeSee Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
No town hall: the county runs things
Grandwood Park is unincorporated, so Lake County is the local government.
Election office: FVAP local election office directory, updated Jul 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Grandwood Park spans 2 ZIP codes
ZIP codes where Grandwood Park residents live, with the share of the town in each.
| ZIP | Post office name | Share of Grandwood Park | ZIP’s residents in Grandwood Park |
|---|---|---|---|
| 60031 | Gurnee, IL | 69% | 10% |
| 60046 | Lake Villa, IL | 31% | 5% |
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 Grandwood Park
Who supplies Grandwood Park’s drinking water, and has it had violations?
Grandwood Park Subdivision - Lake Co Pw (EPA ID IL0975600). It reported no health-based violations to EPA in the five years to October 2026; 80% of systems its size had none. Its latest lead 90th percentile was 1.1 ppb (Jan–Dec 2025), against a 15 ppb action level.
Who provides electricity in Grandwood Park?
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility. Its homes paid about 17.7¢ per kWh in 2025 (EIA).
What internet providers serve Grandwood Park?
Xfinity, AT&T, E-vergent, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Grandwood Park?
60031 (69%), 60046 (31%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Grandwood Park in?
Warren Township High School District 121 and Woodland Community Consolidated School District 50. Parts of the city are in Millburn Community Consolidated School District 24.
How do I register to vote in Grandwood Park?
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.