Living in Greenwood Township, IL: what to set up and who to call
The Woodstock water system reported one health-based violation to EPA in the last five years: a lead and copper treatment requirement (Lead and Copper Rule), beginning Apr 2024. Two school districts split the grades in Greenwood Township: McHenry Community High School District 156 and Woodstock Community Unit School District 200.
I’m new in town
What to set up in Greenwood Township, 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 Greenwood Township.
Power comes from Commonwealth Edison
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility, serves all of Greenwood Township. 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 Woodstock water system
The Woodstock water system supplies Greenwood Township: about 49% of residents live in its service area. Wonder Lake serves another 30%. About 21% 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 25,630 people in all.
1 health-based violation reported to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule), beginning Apr 2024. 83% of the 3,525 systems serving 10,001–50,000 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jul–Dec 2025, was 7.0 ppb, below the 15 ppb action level that applied. That’s higher than 95% 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. IL1110950.
8 home internet providers serve Greenwood Township
95% of 5,067 addresses can get 100/20 Mbps; 69% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable, Fiber | 92% | 2,000/250 |
| AT&T | Fixed wireless, DSL, Fiber | 81% | 5,000/5,000 |
| Frontier | Fiber, DSL | 40% | 7,000/7,000 |
| i3 Broadband | Fiber | 32% | 8,000/8,000 |
| T-Mobile | Fixed wireless | 46% | 100/20 |
| Verizon | Fixed wireless | 43% | 25/6 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Greenwood Township’s trash rules yet
Pickup rules, the dump and recycling in Greenwood Township.
Where your child goes to school
Public school districts and the school path by grade.
Greenwood Township is in two districts that split the grades: McHenry Community High School District 156 and Woodstock Community Unit School District 200.
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.
Greenwood Township spans 2 ZIP codes
ZIP codes where Greenwood Township residents live, with the share of the town in each.
| ZIP | Post office name | Share of Greenwood Township | ZIP’s residents in Greenwood Township |
|---|---|---|---|
| 60098 | Woodstock, IL | 66% | 28% |
| 60097 | Wonder Lake, IL | 34% | 45% |
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 Greenwood Township
Who supplies Greenwood Township’s drinking water, and has it had violations?
The Woodstock water system (EPA ID IL1110950). It reported 1 health-based violation to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule). 83% of systems its size had none. Its latest lead 90th percentile was 7.0 ppb (Jul–Dec 2025), against a 15 ppb action level.
Who provides electricity in Greenwood Township?
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility. Its homes paid about 17.7¢ per kWh in 2025 (EIA).
What internet providers serve Greenwood Township?
Xfinity, AT&T, Frontier, i3 Broadband, T-Mobile, Verizon (FCC, as of December 2025).
What ZIP codes are in Greenwood Township?
60098 (66%), 60097 (34%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Greenwood Township in?
McHenry Community High School District 156 and Woodstock Community Unit School District 200.
How do I register to vote in Greenwood Township?
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.