Photo: Jon Roanhaus · CC BY-SA 3.0Living in Big Stone City, SD: what to set up and who to call
Big Stone City runs its own electric utility, City of Big Stone City. Tap water in Big Stone City comes from the Big Stone City water system, which has a clean five-year EPA record (about 23% of systems its size had a health-based violation) and a latest lead result of 1.0 ppb.
I’m new in town
What to set up in Big Stone City, 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 Big Stone City.
Power comes from City of Big Stone City
City of Big Stone City (City of Big Stone City - (SD)), a municipal utility, serves all of Big Stone City.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Big Stone City water system
The Big Stone City water system supplies almost all of Big Stone City. It buys treated ground water (EPA lists Grant-Roberts Rural Water System as seller) and serves 412 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–Dec 2023, was 1.0 ppb, below the 15 ppb action level that applied. That’s higher than 52% 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. SD4600007.
3 home internet providers serve Big Stone City
94% of 329 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Midco | Cable | 88% | 1,250/60 |
| Verizon | Fixed wireless | 67% | 300/20 |
| T-Mobile | Fixed wireless | 10% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Big Stone City’s trash rules yet
Pickup rules, the dump and recycling in Big Stone City.
Where your child goes to school
Public school districts and the school path by grade.
Big Stone City is in Big Stone City School District 25-1.
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.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Jul 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.
Big Stone City is in ZIP code 57216
ZIP codes where Big Stone City residents live, with the share of the town in each.
| ZIP | Post office name | Share of Big Stone City | ZIP’s residents in Big Stone City |
|---|---|---|---|
| 57216 | Big Stone City, SD | 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 Big Stone City
Who supplies Big Stone City’s drinking water, and has it had violations?
The Big Stone City water system (EPA ID SD4600007). 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 1.0 ppb (Jan–Dec 2023), against a 15 ppb action level.
Who provides electricity in Big Stone City?
City of Big Stone City (City of Big Stone City - (SD)), a municipal utility.
What internet providers serve Big Stone City?
Midco, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Big Stone City?
57216. Census 2020 ZIP Code Tabulation Areas.
What school district is Big Stone City in?
Big Stone City School District 25-1.
How do I register to vote in Big Stone City?
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 Grant 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.