Photo: Nyttend · Public domainLiving in Arnold City, PA: what to set up and who to call
The Muni Auth of Washington Twp water system reported 2 health-based violations to EPA in the last five years: a bacteria testing requirement (Revised Total Coliform Rule), a groundwater treatment requirement (Groundwater Rule). 80% of systems its size reported none. Arnold City has no town government of its own, so Fayette County runs its elections and most services, and its children attend Belle Vernon Area School District.
I’m new in town
What to set up in Arnold City, 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 Arnold City.
Power comes from West Penn Power
West Penn Power (West Penn Power Co.), an investor-owned utility, serves all of Arnold City.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Muni Auth of Washington Twp water system
The Muni Auth of Washington Twp water system supplies almost all of Arnold City. It draws surface water (EPA lists Mawc Yough Plant as seller) and serves 9,100 people in all.
2 health-based violations reported to EPA in the five years to October 2026: a bacteria testing requirement (Revised Total Coliform Rule), a groundwater treatment requirement (Groundwater Rule), the latest beginning Dec 2022. 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 Jun–Sep 2025, was 2.7 ppb, below the 15 ppb action level that applied. That’s higher than 78% 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. PA5260009.
4 home internet providers serve Arnold City
100% of 159 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 99% | 2,000/250 |
| Verizon | Fixed wireless | 57% | 300/20 |
| AT&T | Fixed wireless | 28% | 25/3 |
| T-Mobile | 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 Arnold City’s trash rules yet
Pickup rules, the dump and recycling in Arnold City.
Where your child goes to school
Public school districts and the school path by grade.
Arnold City is in Belle Vernon Area 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
Arnold City is unincorporated, so Fayette County is the local government.
Election office: FVAP local election office directory, updated Oct 2022; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Arnold City spans 2 ZIP codes
ZIP codes where Arnold City residents live, with the share of the town in each.
| ZIP | Post office name | Share of Arnold City | ZIP’s residents in Arnold City |
|---|---|---|---|
| 15012 | Belle Vernon, PA | 97% | 3% |
| 15438 | Fayette City, PA | 3% | 1% |
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 Arnold City
Who supplies Arnold City’s drinking water, and has it had violations?
The Muni Auth of Washington Twp water system (EPA ID PA5260009). It reported 2 health-based violations to EPA in the five years to October 2026: a bacteria testing requirement (Revised Total Coliform Rule), a groundwater treatment requirement (Groundwater Rule). 80% of systems its size had none. Its latest lead 90th percentile was 2.7 ppb (Jun–Sep 2025), against a 15 ppb action level.
Who provides electricity in Arnold City?
West Penn Power (West Penn Power Co.), an investor-owned utility.
What internet providers serve Arnold City?
Xfinity, Verizon, AT&T, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Arnold City?
15012 (97%), 15438 (3%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Arnold City in?
Belle Vernon Area School District.
How do I register to vote in Arnold City?
In Pennsylvania you can register online until 15 days before Election Day, in person until 15 days before Election Day, or by mail (received 15 days before). Elections here are run by the Fayette County Election Bureau. Check your registration at pavoterservices.pa.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.