Living in Plum Branch, SC: what to set up and who to call
Mccormick Co W&sa (Sc3520002) reported 5 health-based violations to EPA in the last five years: disinfection byproducts (TTHM) ×5. 80% of systems its size reported none. The nearest emergency room is Self Regional Healthcare, 23.3 miles away.
I’m new in town
What to set up in Plum Branch, 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 Plum Branch.
Power comes from Dominion Energy South Carolina
Dominion Energy South Carolina (Dominion Energy South Carolina, Inc), an investor-owned utility, serves all of Plum Branch. Its homes paid an average of 16.4¢ per kWh in 2025, about $169 a month (its average across South Carolina).
Start or move service: sceg.com · (800) 251-7234
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Mccormick Co W&sa (Sc3520002)
Mccormick Co W&sa (Sc3520002) supplies almost all of Plum Branch. It buys treated surface water (EPA lists Columbia County and Calhoun Falls Town of (Sc0110002) and Mccormick Cpw (Sc3510001) as sellers) and serves 8,500 people in all.
5 health-based violations reported to EPA in the five years to October 2026: disinfection byproducts (TTHM) ×5, the latest beginning Jan 2023. 80% of the 5,012 systems serving 3,301–10,000 people had none.
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. SC3520002.
3 home internet providers serve Plum Branch
100% of 65 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| West Carolina Rural Telephone Cooperative | Fiber | 100% | 8,000/8,000 |
| T-Mobile | Fixed wireless | 48% | 100/20 |
| AT&T | Fixed wireless | 11% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Plum Branch’s trash rules yet
Pickup rules, the dump and recycling in Plum Branch.
Where your child goes to school
Public school districts and the school path by grade.
Plum Branch is in McCormick County School District.
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 Sep 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Plum Branch is in ZIP code 29845
ZIP codes where Plum Branch residents live, with the share of the town in each.
| ZIP | Post office name | Share of Plum Branch | ZIP’s residents in Plum Branch |
|---|---|---|---|
| 29845 | Plum Branch, SC | 100% | 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 Plum Branch
Who supplies Plum Branch’s drinking water, and has it had violations?
Mccormick Co W&sa (Sc3520002) (EPA ID SC3520002). It reported 5 health-based violations to EPA in the five years to October 2026: disinfection byproducts (TTHM) ×5. 80% 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 Plum Branch?
Dominion Energy South Carolina (Dominion Energy South Carolina, Inc), an investor-owned utility. Its homes paid about 16.4¢ per kWh in 2025 (EIA).
What internet providers serve Plum Branch?
West Carolina Rural Telephone Cooperative, T-Mobile, AT&T (FCC, as of December 2025).
What ZIP codes are in Plum Branch?
29845. Census 2020 ZIP Code Tabulation Areas.
What school district is Plum Branch in?
McCormick County School District.
How do I register to vote in Plum Branch?
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 McCormick 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.