Photo: vx700 · CC BY 3.0Living in Summit, IL: what to set up and who to call
The Summit water system has a clean five-year EPA record, but its latest lead result, 7.0 ppb, was higher than 95% of similar systems’ (the action level is 15). Friday is trash day in Summit; Roy Strom collects.
I’m new in town
What to set up in Summit, 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 Summit.
Power comes from Commonwealth Edison
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility, serves all of Summit. 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 Summit water system
The Summit water system supplies almost all of Summit. It buys treated surface water (EPA lists Chicago as seller) and serves 11,161 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–Jun 2026, was 7.0 ppb, below the 15 ppb action level that applied. The highest in five years was 8.0 ppb. 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. IL0310060.
4 home internet providers serve Summit
100% of 2,545 addresses can get 100/20 Mbps; 18% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 100% | 2,000/250 |
| AT&T | DSL, Fiber, Fixed wireless | 66% | 5,000/5,000 |
| Verizon | Fixed wireless | 88% | 300/20 |
| T-Mobile | Fixed wireless | 84% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in Summit is Friday
Pickup days, the drop-off and recycling in Summit, from the town’s own site.
This month
- TrashEvery week
From summit-il.org, the town’s official site, checked Oct 23, 2026. Rules change: the town’s page is the last word. .
Where your child goes to school
Public school districts and the school path by grade.
Summit is in two districts that split the grades: Argo Community High School District 217 and Summit School District 104.
C−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 Apr 2026; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Summit is in ZIP code 60501
ZIP codes where Summit residents live, with the share of the town in each.
| ZIP | Post office name | Share of Summit | ZIP’s residents in Summit |
|---|---|---|---|
| 60501 | Summit Argo, IL | 100% | 95% |
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.
Train: OpenStreetMap (© OpenStreetMap contributors). ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Summit
Who supplies Summit’s drinking water, and has it had violations?
The Summit water system (EPA ID IL0310060). 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 7.0 ppb (Jan–Jun 2026), against a 15 ppb action level.
Who provides electricity in Summit?
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility. Its homes paid about 17.7¢ per kWh in 2025 (EIA).
What internet providers serve Summit?
Xfinity, AT&T, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Summit?
60501. Census 2020 ZIP Code Tabulation Areas.
What school district is Summit in?
Argo Community High School District 217 and Summit School District 104. Parts of the city are in Lyons Township High School District 204 and Lyons School District 103 and LaGrange School District 105.
How do I register to vote in Summit?
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 Cook 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: Summit’s own website (summit-il.org), read Oct 23, 2026, pickup and drop-off facts extracted and checked against the page they came from.
- 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.