Fort Frederick State Park · Photo: Acroterion · CC BY-SA 4.0Living in Big Pool, MD: what to set up and who to call
Big Pool has no town government of its own, so Washington County runs its elections and most services, and its children attend Washington County Public Schools. Antietam Cable is the only wired internet provider that reaches most of Big Pool.
I’m new in town
What to set up in Big Pool, 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 Big Pool.
Power comes from Potomac Edison
Potomac Edison (The Potomac Edison Co.), an investor-owned utility, serves all of Big Pool. Its homes paid an average of 15.4¢ per kWh in 2025, about $172 a month (its average across Maryland, for customers on its standard service). Maryland lets you buy power from another supplier; 2% of Potomac Edison’s home customers do, and Potomac Edison still delivers it.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
4 home internet providers serve Big Pool
100% of 30 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Antietam Cable | Cable | 90% | 1,300/50 |
| T-Mobile | Fixed wireless | 97% | 100/20 |
| Verizon | Fixed wireless | 90% | 300/20 |
| AT&T | Fixed wireless | 53% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Big Pool’s trash rules yet
Pickup rules, the dump and recycling in Big Pool.
Where your child goes to school
Public school districts and the school path by grade.
Big Pool is in Washington County Public Schools.
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
Big Pool is unincorporated, so Washington County is the local government.
Election office: FVAP local election office directory, updated Aug 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Mar 11, 2026.
Big Pool is in ZIP code 21711
ZIP codes where Big Pool residents live, with the share of the town in each.
| ZIP | Post office name | Share of Big Pool | ZIP’s residents in Big Pool |
|---|---|---|---|
| 21711 | Big Pool, MD | 100% | 7% |
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 Big Pool
Who provides electricity in Big Pool?
Potomac Edison (The Potomac Edison Co.), an investor-owned utility. Its homes paid about 15.4¢ per kWh in 2025 (EIA).
What internet providers serve Big Pool?
Antietam Cable, T-Mobile, Verizon, AT&T (FCC, as of December 2025).
What ZIP codes are in Big Pool?
21711. Census 2020 ZIP Code Tabulation Areas.
What school district is Big Pool in?
Washington County Public Schools.
How do I register to vote in Big Pool?
In Maryland you can register online until 21 days before Election Day, in person up to and including Election Day, or by mail (postmarked 21 days before). Elections here are run by the Washington County Board of Elections. Check your registration at voterservices.elections.maryland.gov.
Sources & dates
Every answer above names its source. Here they are with their dates.
- 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 Mar 11, 2026 (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.