Living in Medary Township, SD: what to set up and who to call
Brookings Municipal Utilities has a clean five-year EPA record, but its latest lead result, 8.0 ppb, was higher than 96% of similar systems’ (the action level is 15). Power in Medary Township comes from Sioux Valley SW Elec Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in Medary Township, 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 Medary Township.
Power comes from Sioux Valley SW Elec Coop
Sioux Valley SW Elec Coop (Sioux Valley SW Elec Coop), a cooperative utility, serves all of Medary Township. 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 Municipal Utilities
Brookings Municipal Utilities supplies Medary Township: about 46% of residents live in its service area. Kingbrook I Rural Water System serves another 40%. University Estates serves another 11%. About 15% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water and serves 23,377 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 83% of the 3,525 systems serving 10,001–50,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2023, was 8.0 ppb, below the 15 ppb action level that applied. The highest in five years was 11.0 ppb. That’s higher than 96% 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. SD4600071.
7 home internet providers serve Medary Township
100% of 680 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| ITC | Fiber | 99% | 1,000/1,000 |
| Mediacom Xtream | Cable | 36% | 1,000/50 |
| Midco | Fixed wireless | 97% | 100/20 |
| GigFire | Fixed wireless | 18% | 150/130 |
| Verizon | Fixed wireless | 16% | 25/6 |
| T-Mobile | Fixed wireless | 6% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Medary Township’s trash rules yet
Pickup rules, the dump and recycling in Medary Township.
Where your child goes to school
Public school districts and the school path by grade.
Most of Medary Township (86%) is in Brookings School District 05-1; parts are in Sioux Valley School District 05-5 (14%).
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.
Medary Township spans 2 ZIP codes
ZIP codes where Medary Township residents live, with the share of the town in each.
| ZIP | Post office name | Share of Medary Township | ZIP’s residents in Medary Township |
|---|---|---|---|
| 57006 | Brookings, SD | 86% | 5% |
| 57071 | Volga, SD | 14% | 6% |
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 Medary Township
Who supplies Medary Township’s drinking water, and has it had violations?
Brookings Municipal Utilities (EPA ID SD4600071). It reported no health-based violations to EPA in the five years to October 2026; 83% of systems its size had none. Its latest lead 90th percentile was 8.0 ppb (Jan–Dec 2023), against a 15 ppb action level.
Who provides electricity in Medary Township?
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 internet providers serve Medary Township?
ITC, Mediacom Xtream, Midco, GigFire, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Medary Township?
57006 (86%), 57071 (14%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Medary Township in?
Brookings School District 05-1. Parts of the city are in Sioux Valley School District 05-5.
How do I register to vote in Medary Township?
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 National Broadband Map, as of December 2025.