Union Downtown Historic District (Boundary Increase) · Photo: Bill Fitzpatrick · CC BY-SA 3.0Living in Union, SC: what to set up and who to call
Union runs its own electric utility, City of Union. Union County School District runs the public schools in Union.
I’m new in town
What to set up in Union, 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.
Power comes from City of Union
City of Union (City of Union - (SC)), a municipal utility, serves 97.6% of Union residents.
Start or move service: cityofunion.net · (865) 429-1782
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Union City of (Sc4410001) water system
The Union City of (Sc4410001) water system supplies almost all of Union. It draws surface water and serves 13,076 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 2023–Dec 2025, was 0.0 ppb, below the 15 ppb action level that applied. Results below detection are reported as 0, so 0 doesn’t mean no lead at any tap.
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 (EPA’s estimate). Violations are counted by the start of their compliance period. SC4410001.
3 home internet providers serve Union
97% of 3,819 addresses can get 100/20 Mbps; 1% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 97% | 1,000/50 |
| AT&T | DSL, Fixed wireless | 56% | 25/5 |
| T-Mobile | Fixed wireless | 11% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Union’s trash rules yet
Pickup rules, the dump and recycling in Union.
Where your child goes to school
Public school districts and the school path by grade.
Union is in Union County School District.
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 Jan 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Union is in ZIP code 29379
ZIP codes where Union residents live, with the share of the town in each.
| ZIP | Post office name | Share of Union | ZIP’s residents in Union |
|---|---|---|---|
| 29379 | Union, SC | 100% | 45% |
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
Who supplies Union’s drinking water, and has it had violations?
The Union City of (Sc4410001) water system (EPA ID SC4410001). 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 0.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Union?
City of Union (City of Union - (SC)), a municipal utility.
What internet providers serve Union?
Spectrum, AT&T, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Union?
29379. Census 2020 ZIP Code Tabulation Areas.
What school district is Union in?
Union County School District.
How do I register to vote in Union?
In South Carolina you can register online until 30 days before Election Day, in person until 30 days before Election Day, or by mail (postmarked 30 days before). Elections here are run by the Union Board of Voter Registration. Check your registration at vrems.scvotes.sc.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 Sep 12, 2025 (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.