Living in Oakwood Hills, IL: what to set up and who to call
Two school districts split the grades in Oakwood Hills: Community High School District 155 and Prairie Grove Community School District 46. The closest public drop-off to Oakwood Hills is Brush dropoff, 2 miles out; the town decides whether residents may use it.
I’m new in town
What to set up in Oakwood Hills, 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 Oakwood Hills.
Power comes from Commonwealth Edison
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility, serves all of Oakwood Hills. 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 Prairie Path Water Company-Killarney
Prairie Path Water Company-Killarney supplies Oakwood Hills: about 1% of residents live in its service area. About 99% 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 1,232 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 2023–Dec 2025, was 2.4 ppb, below the 15 ppb action level that applied. That’s higher than 77% 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. IL1115400.
4 home internet providers serve Oakwood Hills
100% of 826 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 100% | 2,000/250 |
| AT&T | DSL, Fixed wireless | 94% | 75/20 |
| T-Mobile | Fixed wireless | 70% | 100/20 |
| Verizon | Fixed wireless | 55% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
The nearest public drop-off is 2 miles away
Pickup rules, the dump and recycling in Oakwood Hills.
Brush dropoff
This isn’t Oakwood Hills’ own facility. Whether Oakwood Hills residents may use it is the town’s rule: check oakwoodhills.org.
OpenStreetMap, as of Oct 9, 2026. © OpenStreetMap contributors.
Where your child goes to school
Public school districts and the school path by grade.
Oakwood Hills is in two districts that split the grades: Community High School District 155 and Prairie Grove Community School District 46.
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 Jun 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Oakwood Hills is in ZIP code 60013
ZIP codes where Oakwood Hills residents live, with the share of the town in each.
| ZIP | Post office name | Share of Oakwood Hills | ZIP’s residents in Oakwood Hills |
|---|---|---|---|
| 60013 | Cary, IL | 100% | 8% |
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 Oakwood Hills
Who supplies Oakwood Hills’ drinking water, and has it had violations?
Prairie Path Water Company-Killarney (EPA ID IL1115400). 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 2.4 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Oakwood Hills?
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility. Its homes paid about 17.7¢ per kWh in 2025 (EIA).
What internet providers serve Oakwood Hills?
Xfinity, AT&T, T-Mobile, Verizon (FCC, as of December 2025).
What ZIP codes are in Oakwood Hills?
60013. Census 2020 ZIP Code Tabulation Areas.
What school district is Oakwood Hills in?
Community High School District 155 and Prairie Grove Community School District 46. Parts of the city are in Cary Community Consolidated School District 26.
How do I register to vote in Oakwood Hills?
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 McHenry 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.