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The Timberlane handbook

Living in Timberlane, IL: what to set up and who to call

Timberlane spans 3 ZIP codes; 61008 holds the most residents (86%). Ida Public Library, 5.2 miles away, is the closest library to Timberlane.

I’m new in town

What to set up in Timberlane, and who provides it. Tap an answer for the details and where they come from.

Home services

Power, water and internet

Who to call to start service at a new address in Timberlane.

Electricity

Power comes from Commonwealth Edison

Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility, serves all of Timberlane. 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.

Drinking water · reported to EPA

Water comes from Aqua Illinois-Candlewick Dvn

Aqua Illinois-Candlewick Dvn supplies Timberlane: 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 (EPA lists Poplar Grove West-Countryside as seller) and serves 6,426 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.

Lead, 90th percentile1.4 ppb
015 ppb action level20

The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2025, was 1.4 ppb, below the 15 ppb action level that applied. The highest in five years was 1.5 ppb. That’s higher than 59% 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. Violations are counted by the start of their compliance period. IL0075050.

Internet

6 home internet providers serve Timberlane

100% of 313 addresses can get 100/20 Mbps; 0% can get fiber.

ProviderTechnologyAddressesFastest (Mbps)
XfinityCable99%2,000/250
Mediacom XtreamCable90%1,000/50
FrontierDSL4%10/1
Rise BroadbandFixed wireless84%100/20
VerizonFixed wireless73%300/20
Fox Valley Internet, Opiquad LLC, Getgoing Infrastructure GroupFixed wireless53%40/10

FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.

Trash & recycling

We don’t have Timberlane’s trash rules yet

Pickup rules, the dump and recycling in Timberlane.

Schools

Where your child goes to school

Public school districts and the school path by grade.

Timberlane kids go to
PK–56 elementary schoolsDepends on your address
6–82 middle schoolsDepends on your address
9–122 high schoolsDepends on your address

Most of Timberlane (87%) is in Belvidere Consolidated Unit School District 100; parts are in North Boone Community Unit School District 200 (13%).

Test scores and every school: see Schools →

U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.

Government & voting

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.

ZIP codes & area codes

Timberlane spans 3 ZIP codes

ZIP codes where Timberlane residents live, with the share of the town in each.

ZIPPost office nameShare of TimberlaneZIP’s residents in Timberlane
61008Belvidere, IL86%2%
61011Caledonia, IL9%3%
61065Poplar Grove, IL6%0%

Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.

Everyday places

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 Timberlane

Who supplies Timberlane’s drinking water, and has it had violations?

Aqua Illinois-Candlewick Dvn (EPA ID IL0075050). 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 1.4 ppb (Jan–Dec 2025), against a 15 ppb action level.

Who provides electricity in Timberlane?

Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility. Its homes paid about 17.7¢ per kWh in 2025 (EIA).

What internet providers serve Timberlane?

Xfinity, Mediacom Xtream, Frontier, Rise Broadband, Verizon, Fox Valley Internet, Opiquad LLC, Getgoing Infrastructure Group (FCC, as of December 2025).

What ZIP codes are in Timberlane?

61008 (86%), 61011 (9%), 61065 (6%), by share of residents. Census 2020 ZIP Code Tabulation Areas.

What school district is Timberlane in?

Belvidere Consolidated Unit School District 100. Parts of the city are in North Boone Community Unit School District 200.

How do I register to vote in Timberlane?

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 Boone 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.