Living in Antelope, SD: what to set up and who to call
An EPA health-based violation from 2024 is still open for Rosebud Rural Water System, which supplies Antelope. Antelope has no town government of its own, so Todd County runs its elections and most services, and its children attend Todd County School District 66-1.
I’m new in town
What to set up in Antelope, 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 Antelope.
Power comes from LaCreek Electric Assn
LaCreek Electric Assn (LaCreek Electric Assn, Inc), a cooperative utility, serves all of Antelope.
Start or move service: lacreek.com · (605) 685-6581
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Rosebud Rural Water System
Rosebud Rural Water System supplies almost all of Antelope. It draws ground water (EPA lists Sicangu Mni Wiconi Rural Water System as seller) and serves 5,500 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. 80% of the 5,012 systems serving 3,301–10,000 people had none. 1 older violation is still open, since 2024: a lead and copper treatment requirement (Lead and Copper Rule Revisions), per EPA’s records.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2022–Dec 2024, was 0.3 ppb, below the 15 ppb action level that applied. The highest in five years was 2.1 ppb. That’s lower than 64% 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. Violations are counted by the start of their compliance period. 084690528.
1 home internet providers serve Antelope
93% of 219 addresses can get 100/20 Mbps; 2% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Golden West Telecommunications | Cable, DSL, Fiber | 98% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Antelope’s trash rules yet
Pickup rules, the dump and recycling in Antelope.
Where your child goes to school
Public school districts and the school path by grade.
Antelope is in Todd County School District 66-1.
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.
No town hall: the county runs things
Antelope is unincorporated, so Todd County is the local government.
Election office: FVAP local election office directory, updated Jul 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.
Antelope is in ZIP code 57555
ZIP codes where Antelope residents live, with the share of the town in each.
| ZIP | Post office name | Share of Antelope | ZIP’s residents in Antelope |
|---|---|---|---|
| 57555 | Mission, SD | 100% | 21% |
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 Antelope
Who supplies Antelope’s drinking water, and has it had violations?
Rosebud Rural Water System (EPA ID 084690528). 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). 80% of systems its size had none. Its latest lead 90th percentile was 0.3 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Antelope?
LaCreek Electric Assn (LaCreek Electric Assn, Inc), a cooperative utility.
What internet providers serve Antelope?
Golden West Telecommunications (FCC, as of December 2025).
What ZIP codes are in Antelope?
57555. Census 2020 ZIP Code Tabulation Areas.
What school district is Antelope in?
Todd County School District 66-1.
How do I register to vote in Antelope?
South Dakota has no online registration; you can register in person until 15 days before Election Day or by mail (received 15 days before). Elections here are run by the Todd County Auditor. Check your registration at vip.sdsos.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 Aug 3, 2026 (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.