Nathan C. Ricker House · Photo: Dori · CC BY-SA 3.0 usLiving in Corwin Township, IL: what to set up and who to call
The Middletown 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. Two school districts split the grades in Corwin Township: Lincoln Community High School District 404 and New Holland-Middletown Elementary School District 88.
I’m new in town
What to set up in Corwin 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 Corwin Township.
Power comes from Ameren Illinois Company
Ameren Illinois Company (Ameren Illinois Company), an investor-owned utility, serves all of Corwin Township. 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 Middletown water system
The Middletown water system supplies Corwin Township: about 54% of residents live in its service area. About 46% 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 330 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. 77% of the 15,074 systems serving 101–500 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–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. IL1070500.
7 home internet providers serve Corwin Township
78% of 342 addresses can get 100/20 Mbps; 53% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Mediacom Xtream | Cable, Fiber | 57% | 1,000/50 |
| Conxxus | Fiber | 54% | 8,000/8,000 |
| Frontier | DSL | 4% | 115/7 |
| Nextlink | Fixed wireless | 22% | 500/100 |
| Watch Communications | Fixed wireless | 21% | 100/20 |
| Rise Broadband | Fixed wireless | 8% | 25/5 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Corwin Township’s trash rules yet
Pickup rules, the dump and recycling in Corwin Township.
Where your child goes to school
Public school districts and the school path by grade.
Corwin Township is in two districts that split the grades: Lincoln Community High School District 404 and New Holland-Middletown Elementary School District 88.
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 Sep 2021; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Corwin Township spans 3 ZIP codes
ZIP codes where Corwin Township residents live, with the share of the town in each.
| ZIP | Post office name | Share of Corwin Township | ZIP’s residents in Corwin Township |
|---|---|---|---|
| 62666 | Middletown, IL | 80% | 85% |
| 62671 | New Holland, IL | 13% | 16% |
| 62656 | Lincoln, IL | 6% | 0% |
A few homes fall in 62634.
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 Corwin Township
Who supplies Corwin Township’s drinking water, and has it had violations?
The Middletown water system (EPA ID IL1070500). 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). 77% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Corwin Township?
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 Corwin Township?
Mediacom Xtream, Conxxus, Frontier, Nextlink, Watch Communications, Rise Broadband (FCC, as of December 2025).
What ZIP codes are in Corwin Township?
62666 (80%), 62671 (13%), 62656 (6%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Corwin Township in?
Lincoln Community High School District 404 and New Holland-Middletown Elementary School District 88. Parts of the city are in West Lincoln-Broadwell Elementary School District 92 and Mount Pulaski Community Unit District 23.
How do I register to vote in Corwin 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 Logan 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.