Photo: Chris Flook · CC BY-SA 4.0Living in Carlisle, IN: what to set up and who to call
Carlisle Water Department 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. Children in Carlisle attend Southwest School Corporation.
I’m new in town
What to set up in Carlisle, 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 Carlisle.
Power comes from Duke Energy
Duke Energy (Duke Energy Indiana, LLC), an investor-owned utility, serves all of Carlisle. 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 Carlisle Water Department
Carlisle Water Department supplies almost all of Carlisle. It draws ground water and serves 1,152 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 7,966 systems serving 1,001–3,300 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2022–Dec 2024, was 3.0 ppb, below the 15 ppb action level that applied. That’s higher than 82% 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. IN5277001.
4 home internet providers serve Carlisle
96% of 354 addresses can get 100/20 Mbps; 93% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Joink | Fiber, Fixed wireless | 96% | 1,000/1,000 |
| Frontier | DSL | 73% | 90/5 |
| Nextlink | Fixed wireless | 33% | 500/100 |
| T-Mobile | Fixed wireless | 6% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Carlisle’s trash rules yet
Pickup rules, the dump and recycling in Carlisle.
Where your child goes to school
Public school districts and the school path by grade.
Carlisle is in Southwest School Corporation.
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 Jul 2019; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Carlisle is in ZIP code 47838
ZIP codes where Carlisle residents live, with the share of the town in each.
| ZIP | Post office name | Share of Carlisle | ZIP’s residents in Carlisle |
|---|---|---|---|
| 47838 | Carlisle, IN | 100% | 16% |
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 Carlisle
Who supplies Carlisle’s drinking water, and has it had violations?
Carlisle Water Department (EPA ID IN5277001). 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 3.0 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Carlisle?
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 Carlisle?
Joink, Frontier, Nextlink, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Carlisle?
47838. Census 2020 ZIP Code Tabulation Areas.
What school district is Carlisle in?
Southwest School Corporation.
How do I register to vote in Carlisle?
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 Sullivan 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.