Living in Moscow, MD: what to set up and who to call
The Midland-Lonaconing water system reported 2 health-based violations to EPA in the last five years: a surface water treatment requirement (Interim Enhanced Surface Water Treatment Rule), disinfection byproducts (HAA5). 80% of systems its size reported none. Moscow has no town government of its own, so Allegany County runs its elections and most services, and its children attend Allegany County Public Schools.
I’m new in town
What to set up in Moscow, 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 Moscow.
Power comes from Potomac Edison
Potomac Edison (The Potomac Edison Co.), an investor-owned utility, serves all of Moscow. 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.
Water comes from Midland-Lonaconing water system
The Midland-Lonaconing water system supplies almost all of Moscow. It draws surface water and serves 5,000 people in all.
2 health-based violations reported to EPA in the five years to October 2026: a surface water treatment requirement (Interim Enhanced Surface Water Treatment Rule), disinfection byproducts (HAA5), the latest beginning Apr 2025. 80% of the 5,012 systems serving 3,301–10,000 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Jun 2025, was 1.0 ppb, below the 15 ppb action level that applied. The highest in five years was 29.8 ppb. That’s lower than 57% 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. MD0010018.
4 home internet providers serve Moscow
98% of 110 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 97% | 2,000/250 |
| Verizon | Fixed wireless | 91% | 300/20 |
| T-Mobile | Fixed wireless | 17% | 25/3 |
| AT&T | Fixed wireless | 14% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Moscow’s trash rules yet
Pickup rules, the dump and recycling in Moscow.
Where your child goes to school
Public school districts and the school path by grade.
Moscow is in Allegany 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
Moscow is unincorporated, so Allegany 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.
Moscow is in ZIP code 21521
ZIP codes where Moscow residents live, with the share of the town in each.
| ZIP | Post office name | Share of Moscow | ZIP’s residents in Moscow |
|---|---|---|---|
| 21521 | Barton, MD | 100% | 19% |
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 Moscow
Who supplies Moscow’s drinking water, and has it had violations?
The Midland-Lonaconing water system (EPA ID MD0010018). It reported 2 health-based violations to EPA in the five years to October 2026: a surface water treatment requirement (Interim Enhanced Surface Water Treatment Rule), disinfection byproducts (HAA5). 80% of systems its size had none. Its latest lead 90th percentile was 1.0 ppb (Jan–Jun 2025), against a 15 ppb action level.
Who provides electricity in Moscow?
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 Moscow?
Xfinity, Verizon, T-Mobile, AT&T (FCC, as of December 2025).
What ZIP codes are in Moscow?
21521. Census 2020 ZIP Code Tabulation Areas.
What school district is Moscow in?
Allegany County Public Schools.
How do I register to vote in Moscow?
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 Allegany 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 National Broadband Map, as of December 2025.