Living in Madison Township, IN: what to set up and who to call
Every home in Madison Township is in ZIP code 46135. Most of Madison Township has one wired internet choice: Spectrum.
I’m new in town
What to set up in Madison 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 Madison Township.
Power comes from Duke Energy
Duke Energy (Duke Energy Indiana, LLC), an investor-owned utility, serves all of Madison Township. Its homes paid an average of 15.0¢ per kWh in 2025, about $149 a month (its average across Indiana).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Greencastle Department of Water
Greencastle Department of Water supplies Madison Township: about 0% of residents live in its service area. About 100% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water influenced by surface water and serves 12,699 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 2024–Dec 2026, was 0.8 ppb, below the 15 ppb action level that applied. That’s lower than 62% 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. IN5267004.
7 home internet providers serve Madison Township
90% of 541 addresses can get 100/20 Mbps; 89% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Fiber | 82% | 1,000/1,000 |
| Frontier | DSL | 36% | 90/5 |
| Metronet | Fiber | 12% | 5,120/5,120 |
| Endeavor Communications | Fiber | 4% | 1,000/1,000 |
| Verizon | Fixed wireless | 8% | 300/20 |
| AT&T | Fixed wireless | 5% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Madison Township’s trash rules yet
Pickup rules, the dump and recycling in Madison Township.
Where your child goes to school
Public school districts and the school path by grade.
Madison Township is in Greencastle Community School Corporation.
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 Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Madison Township is in ZIP code 46135
ZIP codes where Madison Township residents live, with the share of the town in each.
| ZIP | Post office name | Share of Madison Township | ZIP’s residents in Madison Township |
|---|---|---|---|
| 46135 | Greencastle, IN | 99% | 6% |
A few homes fall in 46171.
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 Madison Township
Who supplies Madison Township’s drinking water, and has it had violations?
Greencastle Department of Water (EPA ID IN5267004). 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 0.8 ppb (Jan 2024–Dec 2026), against a 15 ppb action level.
Who provides electricity in Madison Township?
Duke Energy (Duke Energy Indiana, LLC), an investor-owned utility. Its homes paid about 15.0¢ per kWh in 2025 (EIA).
What internet providers serve Madison Township?
Spectrum, Frontier, Metronet, Endeavor Communications, Verizon, AT&T (FCC, as of December 2025).
What ZIP codes are in Madison Township?
46135. Census 2020 ZIP Code Tabulation Areas.
What school district is Madison Township in?
Greencastle Community School Corporation.
How do I register to vote in Madison Township?
In Indiana you can register online until 29 days before Election Day, in person until 29 days before Election Day, or by mail (postmarked 29 days before). Elections here are run by the Putnam County Circuit Court Clerk. Check your registration at indianavoters.in.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 Nov 18, 2024 (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.