Living in Norfeld Colony, SD: what to set up and who to call
Norfeld Colony has no town government of its own, so Brookings County runs its elections and most services, and its children attend Deubrook School District 05-6. Brookings-Deuel Rural Water System has a clean five-year EPA record, but its latest lead result, 13.0 ppb, was higher than 99% of similar systems’ (the action level is 15).
I’m new in town
What to set up in Norfeld Colony, 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 Norfeld Colony.
Power comes from Sioux Valley SW Elec Coop
Sioux Valley SW Elec Coop (Sioux Valley SW Elec Coop), a cooperative utility, serves all of Norfeld Colony. Its homes paid an average of 13.9¢ per kWh in 2025, about $176 a month (its average across South Dakota).
Start or move service: siouxvalleyenergy.com · (605) 534-3535
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Brookings-Deuel Rural Water System
Brookings-Deuel Rural Water System supplies almost all of Norfeld Colony. It draws ground water and serves 6,200 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 80% of the 5,012 systems serving 3,301–10,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2024, was 13.0 ppb, below the 15 ppb action level that applied. That’s higher than 99% 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. SD4600430.
Which providers serve Norfeld Colony
This card will list the home internet providers the FCC’s National Broadband Map shows in Norfeld Colony, the share of addresses that can get 100/20 Mbps and the share with fiber, with the map’s “as of” date.
Source to come: FCC Broadband Data Collection.
We don’t have Norfeld Colony’s trash rules yet
Pickup rules, the dump and recycling in Norfeld Colony.
Where your child goes to school
Public school districts and the school path by grade.
Norfeld Colony is in Deubrook School District 05-6.
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
Norfeld Colony is unincorporated, so Brookings 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.
Norfeld Colony is in ZIP code 57276
ZIP codes where Norfeld Colony residents live, with the share of the town in each.
| ZIP | Post office name | Share of Norfeld Colony | ZIP’s residents in Norfeld Colony |
|---|---|---|---|
| 57276 | White, SD | 100% | 1% |
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 Norfeld Colony
Who supplies Norfeld Colony’s drinking water, and has it had violations?
Brookings-Deuel Rural Water System (EPA ID SD4600430). It reported no health-based violations to EPA in the five years to October 2026; 80% of systems its size had none. Its latest lead 90th percentile was 13.0 ppb (Jan–Dec 2024), against a 15 ppb action level.
Who provides electricity in Norfeld Colony?
Sioux Valley SW Elec Coop (Sioux Valley SW Elec Coop), a cooperative utility. Its homes paid about 13.9¢ per kWh in 2025 (EIA).
What ZIP codes are in Norfeld Colony?
57276. Census 2020 ZIP Code Tabulation Areas.
What school district is Norfeld Colony in?
Deubrook School District 05-6.
How do I register to vote in Norfeld Colony?
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 Brookings 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): pending.