Living in Aberdeen Proving Ground, MD: what to set up and who to call
Aberdeen Proving Ground has no town government of its own, so Harford County runs its elections and most services, and its children attend Harford County Public Schools. The nearest library is Aberdeen Branch (Harford County Public Library), 4.3 miles away.
I’m new in town
What to set up in Aberdeen Proving Ground, 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 Aberdeen Proving Ground.
Power comes from Baltimore Gas & Electric
Baltimore Gas & Electric (Baltimore Gas & Electric Co), an investor-owned utility, serves all of Aberdeen Proving Ground. Its homes paid an average of 20.2¢ per kWh in 2025, about $177 a month (its average across Maryland, for customers on its standard service). Maryland lets you buy power from another supplier; 6% of Baltimore Gas & Electric’s home customers do, and Baltimore Gas & Electric still delivers it.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Chapel Hill - Aberdeen Proving Grounds water system
The Chapel Hill - Aberdeen Proving Grounds water system supplies almost all of Aberdeen Proving Ground. It draws ground water (EPA lists Harford County D.p.w. as seller) and serves 15,000 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 83% of the 3,525 systems serving 10,001–50,000 people.
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. MD0120002.
Which providers serve Aberdeen Proving Ground
This card will list the home internet providers the FCC’s National Broadband Map shows in Aberdeen Proving Ground, the share of addresses that can get 100/20 Mbps and the share with fiber, with the map’s “as of” date.
Source to come: FCC Broadband Data Collection.
We don’t have Aberdeen Proving Ground’s trash rules yet
Pickup rules, the dump and recycling in Aberdeen Proving Ground.
Where your child goes to school
Public school districts and the school path by grade.
Aberdeen Proving Ground is in Harford County Public Schools.
BSchool 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
Aberdeen Proving Ground is unincorporated, so Harford County is the local government.
Election office: FVAP local election office directory, updated Mar 2018; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Mar 11, 2026.
Aberdeen Proving Ground is in ZIP code 21005
ZIP codes where Aberdeen Proving Ground residents live, with the share of the town in each.
| ZIP | Post office name | Share of Aberdeen Proving Ground | ZIP’s residents in Aberdeen Proving Ground |
|---|---|---|---|
| 21005 | Aberdeen Proving Ground, MD | 100% | 98% |
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 Aberdeen Proving Ground
Who supplies Aberdeen Proving Ground’s drinking water, and has it had violations?
The Chapel Hill - Aberdeen Proving Grounds water system (EPA ID MD0120002). It reported no health-based violations to EPA in the five years to October 2026; 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 Aberdeen Proving Ground?
Baltimore Gas & Electric (Baltimore Gas & Electric Co), an investor-owned utility. Its homes paid about 20.2¢ per kWh in 2025 (EIA).
What ZIP codes are in Aberdeen Proving Ground?
21005. Census 2020 ZIP Code Tabulation Areas.
What school district is Aberdeen Proving Ground in?
Harford County Public Schools.
How do I register to vote in Aberdeen Proving Ground?
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 Harford 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.
- 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 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): pending.