Living in Union Township, SD: what to set up and who to call
Tap water in most of Union Township comes from Tm Rural Water District, which has a clean five-year EPA record (about 20% of systems its size had a health-based violation) and a latest lead result of 1.0 ppb. For emergencies, Union Township is closest to Freeman Medical Center - Cah, 13.1 miles away.
I’m new in town
What to set up in Union 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 Union Township.
Power comes from Xcel Energy
Xcel Energy (Northern States Power Co. (Minnesota)), an investor-owned utility, serves all of Union Township. Its homes paid an average of 13.1¢ per kWh in 2025, about $101 a month (its average across South Dakota).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Tm Rural Water District
Tm Rural Water District supplies Union Township: about 67% of residents live in its service area. Hanson Rural Water System serves another 35%. It buys treated surface water (EPA lists Parker and By Water District as sellers) and serves 4,250 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 2025, was 1.0 ppb, below the 15 ppb action level that applied. That’s lower than 57% 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. SD4600999.
4 home internet providers serve Union Township
100% of 58 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Golden West Telecommunications | Fiber | 100% | 1,000/1,000 |
| Verizon | Fixed wireless | 40% | 300/20 |
| T-Mobile | Fixed wireless | 36% | 100/20 |
| Bluepeak | Fixed wireless | 3% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Union Township’s trash rules yet
Pickup rules, the dump and recycling in Union Township.
Where your child goes to school
Public school districts and the school path by grade.
Most of Union Township (88%) is in Bridgewater-Emery School District 30-3; parts are in Canistota School District 43-1 (7%) and Freeman School District 33-1 (5%).
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.
Union Township is in ZIP code 57319
ZIP codes where Union Township residents live, with the share of the town in each.
| ZIP | Post office name | Share of Union Township | ZIP’s residents in Union Township |
|---|---|---|---|
| 57319 | Bridgewater, SD | 100% | 12% |
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 Union Township
Who supplies Union Township’s drinking water, and has it had violations?
Tm Rural Water District (EPA ID SD4600999). 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 1.0 ppb (Jan–Dec 2025), against a 15 ppb action level.
Who provides electricity in Union Township?
Xcel Energy (Northern States Power Co. (Minnesota)), an investor-owned utility. Its homes paid about 13.1¢ per kWh in 2025 (EIA).
What internet providers serve Union Township?
Golden West Telecommunications, Verizon, T-Mobile, Bluepeak (FCC, as of December 2025).
What ZIP codes are in Union Township?
57319. Census 2020 ZIP Code Tabulation Areas.
What school district is Union Township in?
Bridgewater-Emery School District 30-3. Parts of the city are in Canistota School District 43-1 and Freeman School District 33-1.
How do I register to vote in Union 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 McCook 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.