Photo: Chris Flook · CC BY-SA 4.0Living in Decker, IN: what to set up and who to call
Decker Water Works has a clean five-year EPA record, but its latest lead result, 5.0 ppb, was higher than 90% of similar systems’ (the action level is 15). For emergencies, Decker is closest to Good Samaritan Hospital, 10.7 miles away.
I’m new in town
What to set up in Decker, 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 Decker.
Power comes from Duke Energy
Duke Energy (Duke Energy Indiana, LLC), an investor-owned utility, serves all of Decker. 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 Decker Water Works
Decker Water Works supplies almost all of Decker. It draws ground water and serves 273 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 77% of the 15,074 systems serving 101–500 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2022–Dec 2024, was 5.0 ppb, below the 15 ppb action level that applied. That’s higher than 90% 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. IN5242004.
3 home internet providers serve Decker
17% of 109 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Frontier | DSL | 83% | 10/1 |
| Verizon | Fixed wireless | 78% | 25/6 |
| T-Mobile | Fixed wireless | 60% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Decker’s trash rules yet
Pickup rules, the dump and recycling in Decker.
Where your child goes to school
Public school districts and the school path by grade.
Decker is in South Knox 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 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Decker is in ZIP code 47524
ZIP codes where Decker residents live, with the share of the town in each.
| ZIP | Post office name | Share of Decker | ZIP’s residents in Decker |
|---|---|---|---|
| 47524 | Decker, IN | 100% | 40% |
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 Decker
Who supplies Decker’s drinking water, and has it had violations?
Decker Water Works (EPA ID IN5242004). It reported no health-based violations to EPA in the five years to October 2026; 77% of systems its size had none. Its latest lead 90th percentile was 5.0 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Decker?
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 Decker?
Frontier, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Decker?
47524. Census 2020 ZIP Code Tabulation Areas.
What school district is Decker in?
South Knox School Corporation.
How do I register to vote in Decker?
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 Knox 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.