Living in Windsor, IL: what to set up and who to call
The New Windsor water system reported one health-based violation to EPA in the last five years: a lead and copper treatment requirement (Lead and Copper Rule Revisions), beginning Oct 2024. The ER is a drive from Windsor: the closest is St. Mary Medical Center, 15.3 miles away.
I’m new in town
What to set up in Windsor, 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 Windsor.
Power comes from Ameren Illinois Company
Ameren Illinois Company (Ameren Illinois Company), an investor-owned utility, serves all of Windsor. 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 New Windsor water system
The New Windsor water system supplies almost all of Windsor. It draws ground water and serves 740 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 Revisions), beginning Oct 2024. 78% of the 5,327 systems serving 501–1,000 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2021–Dec 2023, was 6.2 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. IL1310500.
3 home internet providers serve Windsor
100% of 352 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| New Windsor Communications | Fiber | 100% | 1,000/1,000 |
| Diverse Communications | Fiber | 100% | 1,000/1,000 |
| Nextlink | Fixed wireless | 48% | 400/100 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
In Windsor, you hire your own trash hauler
Pickup days, the drop-off and recycling in Windsor, from the town’s own site.
We couldn’t find pickup days or drop-off hours. Check newwindsoril.gov →
From newwindsoril.gov, the town’s official site, checked Oct 21, 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.
Windsor is in Sherrard Community Unit School District 200.
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 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Windsor is in ZIP code 61465
ZIP codes where Windsor residents live, with the share of the town in each.
| ZIP | Post office name | Share of Windsor | ZIP’s residents in Windsor |
|---|---|---|---|
| 61465 | New Windsor, IL | 100% | 60% |
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 Windsor
Who supplies Windsor’s drinking water, and has it had violations?
The New Windsor water system (EPA ID IL1310500). 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 Revisions). 78% of systems its size had none. Its latest lead 90th percentile was 6.2 ppb (Jan 2021–Dec 2023), against a 15 ppb action level.
Who provides electricity in Windsor?
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 Windsor?
New Windsor Communications, Diverse Communications, Nextlink (FCC, as of December 2025).
What ZIP codes are in Windsor?
61465. Census 2020 ZIP Code Tabulation Areas.
What school district is Windsor in?
Sherrard Community Unit School District 200.
How do I register to vote in Windsor?
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 Mercer 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: Windsor’s own website (newwindsoril.gov), read Oct 21, 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.