Marshall County Courthouse · Photo: Ammodramus · CC0Living in Britton, SD: what to set up and who to call
All of Britton gets its mail under one ZIP code, 57430. Almost every address in Britton can get fiber (100%, by the FCC’s map).
I’m new in town
What to set up in Britton, 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 Britton.
Power comes from NorthWestern Energy
NorthWestern Energy (NorthWestern Energy - (SD)), an investor-owned utility, serves all of Britton. Its homes paid an average of 13.3¢ per kWh in 2025, about $125 a month (its average across South Dakota).
Start or move service: northwesternenergy.com · (800) 245-6977
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Britton water system
The Britton water system supplies almost all of Britton. It buys treated ground water (EPA lists BDM Rural Water System as seller) and serves 1,215 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 7,966 systems serving 1,001–3,300 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2024, was 2.0 ppb, below the 15 ppb action level that applied. That’s higher than 69% 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. SD4600388.
2 home internet providers serve Britton
100% of 621 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Venture Communications | Fiber | 100% | 1,000/1,000 |
| T-Mobile | Fixed wireless | 69% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash and recycling in Britton
Pickup days, the drop-off and recycling in Britton, from the town’s own site.
Restricted use site
We couldn’t find its opening hours.
From brittonsouthdakota.com, the town’s official site, checked Oct 22, 2026. Rules change: the town’s page is the last word. .
Where your child goes to school
Public school districts and the school path by grade.
Britton is in Britton-Hecla School District 45-4.
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 Jul 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.
Britton is in ZIP code 57430
ZIP codes where Britton residents live, with the share of the town in each.
| ZIP | Post office name | Share of Britton | ZIP’s residents in Britton |
|---|---|---|---|
| 57430 | Britton, SD | 100% | 57% |
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 Britton
Who supplies Britton’s drinking water, and has it had violations?
The Britton water system (EPA ID SD4600388). It reported no health-based violations to EPA in the five years to October 2026; 78% of systems its size had none. Its latest lead 90th percentile was 2.0 ppb (Jan–Dec 2024), against a 15 ppb action level.
Who provides electricity in Britton?
NorthWestern Energy (NorthWestern Energy - (SD)), an investor-owned utility. Its homes paid about 13.3¢ per kWh in 2025 (EIA).
What internet providers serve Britton?
Venture Communications, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Britton?
57430. Census 2020 ZIP Code Tabulation Areas.
What school district is Britton in?
Britton-Hecla School District 45-4.
How do I register to vote in Britton?
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 Marshall 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: Britton’s own website (brittonsouthdakota.com), read Oct 22, 2026, pickup and drop-off facts extracted and checked against the page they came from.
- 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.