Photo: U.S. Army Corps of Engineers, photographer not specified or unknown · Public domainLiving in South Williamson, KY: what to set up and who to call
Mountain Water Dist reported 11 health-based violations to EPA in the last five years: disinfection byproducts (TTHM) ×11. 83% of systems its size reported none. South Williamson has no town government of its own, so Pike County runs its elections and most services, and its children attend Pike County School District.
I’m new in town
What to set up in South Williamson, 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 South Williamson.
Power comes from Kentucky Power
Kentucky Power (Kentucky Power Co), an investor-owned utility, serves all of South Williamson. Its homes paid an average of 15.9¢ per kWh in 2025, about $197 a month (its average across Kentucky).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Mountain Water Dist
Mountain Water Dist supplies South Williamson: about 85% of residents live in its service area. About 15% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws surface water (EPA lists Pikeville Water Department and Williamson Utility Board as sellers) and serves 44,057 people in all.
11 health-based violations reported to EPA in the five years to October 2026: disinfection byproducts (TTHM) ×11, the latest beginning Apr 2026. 83% of the 3,525 systems serving 10,001–50,000 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2021–Dec 2023, 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. Violations are counted by the start of their compliance period. KY0980575.
2 home internet providers serve South Williamson
100% of 272 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Optimum | Cable | 100% | 940/35 |
| AT&T | Fixed wireless, DSL | 42% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have South Williamson’s trash rules yet
Pickup rules, the dump and recycling in South Williamson.
Where your child goes to school
Public school districts and the school path by grade.
South Williamson is in Pike 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
South Williamson is unincorporated, so Pike County is the local government.
Election office: FVAP local election office directory, updated Jun 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
South Williamson spans 2 ZIP codes
ZIP codes where South Williamson residents live, with the share of the town in each.
| ZIP | Post office name | Share of South Williamson | ZIP’s residents in South Williamson |
|---|---|---|---|
| 41503 | South Williamson, KY | 97% | 99% |
| 41514 | Belfry, KY | 3% | 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 South Williamson
Who supplies South Williamson’s drinking water, and has it had violations?
Mountain Water Dist (EPA ID KY0980575). It reported 11 health-based violations to EPA in the five years to October 2026: disinfection byproducts (TTHM) ×11. 83% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2021–Dec 2023), against a 15 ppb action level.
Who provides electricity in South Williamson?
Kentucky Power (Kentucky Power Co), an investor-owned utility. Its homes paid about 15.9¢ per kWh in 2025 (EIA).
What internet providers serve South Williamson?
Optimum, AT&T (FCC, as of December 2025).
What ZIP codes are in South Williamson?
41503 (97%), 41514 (3%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is South Williamson in?
Pike County School District.
How do I register to vote in South Williamson?
In Kentucky you can register online until 29 days before Election Day, in person until 29 days before Election Day, or by mail (postmarked 29 days before). Elections here are run by the Pike County Clerk. Check your registration at vrsws.sos.ky.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 Nov 18, 2024 (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.