Living in Westfield, IL: what to set up and who to call
An EPA health-based violation from 2026 is still open for the Westfield water system. The ER is a drive from Westfield: the closest is Sarah Bush Lincoln Health Center, 15.1 miles away.
I’m new in town
What to set up in Westfield, 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 Westfield.
Power comes from Ameren Illinois Company
Ameren Illinois Company (Ameren Illinois Company), an investor-owned utility, serves all of Westfield. Its homes paid an average of 16.7¢ per kWh in 2025, about $148 a month (its average across Illinois, for customers on its standard service). Illinois lets you buy power from another supplier; 45% of Ameren Illinois Company’s home customers do, and Ameren Illinois Company still delivers it.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Westfield water system
The Westfield water system supplies Westfield: about 94% of residents live in its service area. About 6% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It buys treated ground water (EPA lists Clark-Edgar RWD as seller) and serves 678 people in all.
3 health-based violations reported to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule) ×3, the latest beginning Jan 2026. 78% of the 5,327 systems serving 501–1,000 people had none. 1 older violation is still open, since 2026: a lead and copper treatment requirement (Lead and Copper Rule), per EPA’s records.
The latest lead result on file, the 90th percentile of homes sampled in Jul–Dec 2025, was 0.0 ppb, below the 15 ppb action level that applied. Results below detection are reported as 0, so 0 doesn’t mean no lead at any tap.
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. IL0230200.
6 home internet providers serve Westfield
100% of 302 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Mediacom Xtream | Cable | 98% | 1,000/50 |
| Frontier | DSL | 68% | 70/3 |
| GigFire | Fixed wireless | 96% | 150/130 |
| Nextlink | Fixed wireless | 92% | 1,000/500 |
| Verizon | Fixed wireless | 76% | 300/20 |
| Watch Communications | Fixed wireless | 47% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Westfield’s trash rules yet
Pickup rules, the dump and recycling in Westfield.
Where your child goes to school
Public school districts and the school path by grade.
Westfield is in Casey-Westfield Community Unit School District 4C.
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.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Jun 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Westfield is in ZIP code 62474
ZIP codes where Westfield residents live, with the share of the town in each.
| ZIP | Post office name | Share of Westfield | ZIP’s residents in Westfield |
|---|---|---|---|
| 62474 | Westfield, IL | 100% | 72% |
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 Westfield
Who supplies Westfield’s drinking water, and has it had violations?
The Westfield water system (EPA ID IL0230200). It reported 3 health-based violations to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule) ×3. 78% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jul–Dec 2025), against a 15 ppb action level.
Who provides electricity in Westfield?
Ameren Illinois Company (Ameren Illinois Company), an investor-owned utility. Its homes paid about 16.7¢ per kWh in 2025 (EIA).
What internet providers serve Westfield?
Mediacom Xtream, Frontier, GigFire, Nextlink, Verizon, Watch Communications (FCC, as of December 2025).
What ZIP codes are in Westfield?
62474. Census 2020 ZIP Code Tabulation Areas.
What school district is Westfield in?
Casey-Westfield Community Unit School District 4C.
How do I register to vote in Westfield?
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 Clark 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.