Living in Seneca, PA: what to set up and who to call
Seneca has no town government of its own, so Venango County runs its elections and most services, and its children attend Cranberry Area School District. Tap water in Seneca comes from the Seneca & Cranberry Mall Dist water system, which has a clean five-year EPA record (about 20% of systems its size had a health-based violation) and a latest lead result of 1.0 ppb.
I’m new in town
What to set up in Seneca, 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 Seneca.
Power comes from Central Electric Coop
Central Electric Coop (Central Electric Coop, Inc - (PA)), a cooperative utility, serves all of Seneca. Its homes paid an average of 16.9¢ per kWh in 2025, about $134 a month (its average across Pennsylvania).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Seneca & Cranberry Mall Dist water system
The Seneca & Cranberry Mall Dist water system supplies almost all of Seneca. It draws ground water (EPA lists Oil City as seller) and serves 4,500 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 80% of the 5,012 systems serving 3,301–10,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jun–Sep 2025, was 1.0 ppb, below the 15 ppb action level that applied. That’s higher than 51% 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. PA6610031.
4 home internet providers serve Seneca
98% of 558 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 98% | 2,000/250 |
| Verizon | Fixed wireless | 80% | 300/20 |
| T-Mobile | Fixed wireless | 77% | 100/20 |
| AT&T | Fixed wireless | 69% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Seneca’s trash rules yet
Pickup rules, the dump and recycling in Seneca.
Where your child goes to school
Public school districts and the school path by grade.
Seneca is in Cranberry 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
Seneca is unincorporated, so Venango County is the local government.
Election office: FVAP local election office directory, updated Jun 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Seneca is in ZIP code 16346
ZIP codes where Seneca residents live, with the share of the town in each.
| ZIP | Post office name | Share of Seneca | ZIP’s residents in Seneca |
|---|---|---|---|
| 16346 | Seneca, PA | 100% | 36% |
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 Seneca
Who supplies Seneca’s drinking water, and has it had violations?
The Seneca & Cranberry Mall Dist water system (EPA ID PA6610031). It reported no health-based violations to EPA in the five years to October 2026; 80% of systems its size had none. Its latest lead 90th percentile was 1.0 ppb (Jun–Sep 2025), against a 15 ppb action level.
Who provides electricity in Seneca?
Central Electric Coop (Central Electric Coop, Inc - (PA)), a cooperative utility. Its homes paid about 16.9¢ per kWh in 2025 (EIA).
What internet providers serve Seneca?
Xfinity, Verizon, T-Mobile, AT&T (FCC, as of December 2025).
What ZIP codes are in Seneca?
16346. Census 2020 ZIP Code Tabulation Areas.
What school district is Seneca in?
Cranberry Area School District.
How do I register to vote in Seneca?
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 Venango County Board 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.