Living in Ladson, SC: what to set up and who to call
Charleston Water System (Sc1010001) reported 2 health-based violations to EPA in the last five years: a lead and copper treatment requirement (Lead and Copper Rule) ×2. 86% of systems its size reported none. Ladson has no town government of its own, so Berkeley County runs its elections and most services, and its children attend Berkeley County School District.
I’m new in town
What to set up in Ladson, 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 Ladson.
Power comes from Dominion Energy South Carolina
Dominion Energy South Carolina (Dominion Energy South Carolina, Inc), an investor-owned utility, serves all of Ladson. 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 Charleston Water System (Sc1010001)
Charleston Water System (Sc1010001) supplies Ladson: about 53% of residents live in its service area. Bcwsa Sangaree W/D (0820002) serves another 41%. Dcws Ashley Phosphate (Sc1820008) serves another 6%. About 14% 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 327,422 people in all.
2 health-based violations reported to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule) ×2, the latest beginning Jul 2025. 86% of the 84 systems serving 250,001–500,000 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2022–Dec 2024, was 3.5 ppb, below the 15 ppb action level that applied. That’s higher than 83% 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. SC1010001.
7 home internet providers serve Ladson
100% of 5,887 addresses can get 100/20 Mbps; 62% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 100% | 2,000/250 |
| AT&T | Fiber, DSL, Fixed wireless | 93% | 5,000/5,000 |
| WOW! | Cable | 25% | 1,200/50 |
| Spectrum | Cable, Fiber | 4% | 1,000/1,000 |
| Home Telecom | Fiber | 3% | 5,000/5,000 |
| Verizon | Fixed wireless | 79% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Ladson’s trash rules yet
Pickup rules, the dump and recycling in Ladson.
Where your child goes to school
Public school districts and the school path by grade.
Most of Ladson (75%) is in Berkeley County School District; parts are in Charleston County School District (25%).
B+School gradeSee 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
Ladson is unincorporated, so Berkeley 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.
Ladson spans 3 ZIP codes
ZIP codes where Ladson residents live, with the share of the town in each.
| ZIP | Post office name | Share of Ladson | ZIP’s residents in Ladson |
|---|---|---|---|
| 29456 | Ladson, SC | 96% | 40% |
| 29486 | Summerville, SC | 3% | 1% |
| 29485 | Summerville, SC | 1% | 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 Ladson
Who supplies Ladson’s drinking water, and has it had violations?
Charleston Water System (Sc1010001) (EPA ID SC1010001). It reported 2 health-based violations to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule) ×2. 86% of systems its size had none. Its latest lead 90th percentile was 3.5 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Ladson?
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 Ladson?
Xfinity, AT&T, WOW!, Spectrum, Home Telecom, Verizon (FCC, as of December 2025).
What ZIP codes are in Ladson?
29456 (96%), 29486 (3%), 29485 (1%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Ladson in?
Berkeley County School District. Parts of the city are in Charleston County School District.
How do I register to vote in Ladson?
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 Berkeley 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.