Photo: Midnightdreary at en.wikipedia · Public domainLiving in Rosemont, PA: what to set up and who to call
Rosemont has no town government of its own, so Delaware County runs its elections and most services, and its children attend Lower Merion School District. Aqua Pa Main System reported one health-based violation to EPA in the last five years: a groundwater treatment requirement (Groundwater Rule), beginning Nov 2024.
I’m new in town
What to set up in Rosemont, 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 Rosemont.
Power comes from PECO Energy
PECO Energy (PECO Energy Co), an investor-owned utility, serves all of Rosemont. Its homes paid an average of 18.0¢ per kWh in 2025, about $136 a month (its average across Pennsylvania, for customers on its standard service). Pennsylvania lets you buy power from another supplier; 20% of PECO Energy’s home customers do, and PECO Energy still delivers it.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Aqua Pa Main System
Aqua Pa Main System supplies almost all of Rosemont. It draws surface water (EPA lists Aqua Pa Bensalem and Bcwsa Main Lower South and Aqua Pa Uwchlan and Phoenixville Water Dept and Aqua Pa West Chester as sellers) and serves 822,600 people in all.
1 health-based violation reported to EPA in the five years to October 2026: a groundwater treatment requirement (Groundwater Rule), beginning Nov 2024. 93% of the 42 systems serving 500,001–1,000,000 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jun–Sep 2025, was 0.0 ppb, below the 15 ppb action level that applied. The highest in five years was 3.4 ppb. 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. PA1460073.
4 home internet providers serve Rosemont
100% of 692 addresses can get 100/20 Mbps; 82% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 99% | 2,000/250 |
| Verizon | Fiber, Fixed wireless | 93% | 980/880 |
| AT&T | Fixed wireless | 91% | 100/20 |
| T-Mobile | Fixed wireless | 84% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
The nearest public drop-off is 4 miles away
Pickup rules, the dump and recycling in Rosemont.
Haverford Township Community Recycling Center
This isn’t Rosemont’s own facility. Whether Rosemont residents may use it is the town’s rule: check the town’s office.
OpenStreetMap, as of Oct 9, 2026. © OpenStreetMap contributors.
Where your child goes to school
Public school districts and the school path by grade.
Most of Rosemont (71%) is in Lower Merion School District; parts are in Radnor Township School District (29%).
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
Rosemont is unincorporated, so Delaware County is the local government.
Election office: FVAP local election office directory, updated Sep 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Rosemont is in ZIP code 19010
ZIP codes where Rosemont residents live, with the share of the town in each.
| ZIP | Post office name | Share of Rosemont | ZIP’s residents in Rosemont |
|---|---|---|---|
| 19010 | Bryn Mawr, PA | 100% | 16% |
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.
Train: OpenStreetMap (© OpenStreetMap contributors). ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Rosemont
Who supplies Rosemont’s drinking water, and has it had violations?
Aqua Pa Main System (EPA ID PA1460073). It reported 1 health-based violation to EPA in the five years to October 2026: a groundwater treatment requirement (Groundwater Rule). 93% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jun–Sep 2025), against a 15 ppb action level.
Who provides electricity in Rosemont?
PECO Energy (PECO Energy Co), an investor-owned utility. Its homes paid about 18.0¢ per kWh in 2025 (EIA).
What internet providers serve Rosemont?
Xfinity, Verizon, AT&T, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Rosemont?
19010. Census 2020 ZIP Code Tabulation Areas.
What school district is Rosemont in?
Lower Merion School District. Parts of the city are in Radnor Township School District.
How do I register to vote in Rosemont?
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 Delaware County Bureau of Elections. 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.