McLeod Farmstead · Photo: Bill Fitzpatrick · CC BY-SA 3.0Living in Seabrook, SC: what to set up and who to call
Seabrook has no town government of its own, so Beaufort County runs its elections and most services, and its children attend Beaufort County School District. The Bjw&sa (Sc0720003) water system reported one health-based violation to EPA in the last five years: disinfection byproducts (HAA5), beginning Oct 2023.
I’m new in town
What to set up in Seabrook, 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 Seabrook.
Power comes from Dominion Energy South Carolina
Dominion Energy South Carolina (Dominion Energy South Carolina, Inc), an investor-owned utility, serves all of Seabrook. 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 Bjw&sa (Sc0720003) water system
The Bjw&sa (Sc0720003) water system supplies Seabrook: about 60% of residents live in its service area. About 40% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws surface water and serves 164,829 people in all.
1 health-based violation reported to EPA in the five years to October 2026: disinfection byproducts (HAA5), beginning Oct 2023. 86% of the 332 systems serving 100,001–250,000 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2022–Dec 2024, was 0.6 ppb, below the 15 ppb action level that applied. The highest in five years was 2.8 ppb. That’s lower than 63% 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. SC0720003.
4 home internet providers serve Seabrook
96% of 570 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Hargray Communications | Cable | 96% | 1,000/50 |
| Brightspeed | DSL, Fixed wireless | 9% | 60/5 |
| Verizon | Fixed wireless | 15% | 300/20 |
| AT&T | Fixed wireless | 5% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
The nearest public drop-off is 4 miles away
Pickup rules, the dump and recycling in Seabrook.
Beaufort County Convenience Center
60 Shanklin Road, Beaufort, SC, 29906
This isn’t Seabrook’s own facility. Whether Seabrook residents may use it is the town’s rule: check the town’s office.
OpenStreetMap, as of Oct 9, 2026. © OpenStreetMap contributors.
Where your child goes to school
Public school districts and the school path by grade.
Seabrook is in Beaufort 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.
No town hall: the county runs things
Seabrook is unincorporated, so Beaufort County is the local government.
Election office: FVAP local election office directory, updated Jan 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Seabrook spans 2 ZIP codes
ZIP codes where Seabrook residents live, with the share of the town in each.
| ZIP | Post office name | Share of Seabrook | ZIP’s residents in Seabrook |
|---|---|---|---|
| 29940 | Seabrook, SC | 95% | 32% |
| 29906 | Beaufort, SC | 5% | 0% |
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 Seabrook
Who supplies Seabrook’s drinking water, and has it had violations?
The Bjw&sa (Sc0720003) water system (EPA ID SC0720003). It reported 1 health-based violation to EPA in the five years to October 2026: disinfection byproducts (HAA5). 86% of systems its size had none. Its latest lead 90th percentile was 0.6 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Seabrook?
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 Seabrook?
Hargray Communications, Brightspeed, Verizon, AT&T (FCC, as of December 2025).
What ZIP codes are in Seabrook?
29940 (95%), 29906 (5%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Seabrook in?
Beaufort County School District.
How do I register to vote in Seabrook?
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 Beaufort 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.