Living in Flower Hill, NY: what to set up and who to call
The Port Washington WD water system reported one health-based violation to EPA in the last five years: a PFAS chemical (PFOA), beginning Apr 2024. Power in Flower Hill comes from PSEG Long Island, a state utility rather than a private company.
I’m new in town
What to set up in Flower Hill, 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 Flower Hill.
Power comes from PSEG Long Island
PSEG Long Island (Long Island Power Authority), a state utility, serves all of Flower Hill. Its homes paid an average of 26.2¢ per kWh in 2025, about $195 a month (its average across New York, for customers on its standard service). New York lets you buy power from another supplier; 0% of PSEG Long Island’s home customers do, and PSEG Long Island still delivers it.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Port Washington WD water system
The Port Washington WD water system supplies Flower Hill: about 37% of residents live in its service area. Roslyn WD serves another 32%. Manhasset Lakeville WD serves another 31%. It draws ground water and serves 34,000 people in all.
1 health-based violation reported to EPA in the five years to October 2026: a PFAS chemical (PFOA), beginning Apr 2024. 83% of the 3,525 systems serving 10,001–50,000 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2022–Dec 2024, was 2.0 ppb, below the 15 ppb action level that applied. That’s higher than 65% 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. NY2912267.
3 home internet providers serve Flower Hill
100% of 1,478 addresses can get 100/20 Mbps; 99% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Verizon | Fiber, Fixed wireless | 99% | 2,300/2,300 |
| Optimum | Cable, Fiber | 98% | 8,000/8,000 |
| T-Mobile | Fixed wireless | 55% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in Flower Hill is Monday, Tuesday, Wednesday, Thursday, Friday or Saturday, depending on your street
Pickup days, the drop-off and recycling in Flower Hill, from the town’s own site.
Your pickup week
- TrashEvery week, on your street’s day (Mon, Tue, Wed, Thu, Fri or Sat)The town’s pickup map
- Bulky itemsCall to book
From villageflowerhill.gov, the town’s official site, checked Oct 21, 2026. Rules change: the town’s page is the last word. .
Where your child goes to school
Public school districts and the school path by grade.
Most of Flower Hill (53%) is in Port Washington Union Free School District; parts are in Manhasset Union Free School District (25%) and Roslyn Union Free School District (22%).
ASchool gradeSee Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Jul 2019; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.
Flower Hill spans 3 ZIP codes
ZIP codes where Flower Hill residents live, with the share of the town in each.
| ZIP | Post office name | Share of Flower Hill | ZIP’s residents in Flower Hill |
|---|---|---|---|
| 11030 | Manhasset, NY | 53% | 14% |
| 11576 | Roslyn, NY | 28% | 10% |
| 11050 | Port Washington, NY | 19% | 3% |
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 Flower Hill
Who supplies Flower Hill’s drinking water, and has it had violations?
The Port Washington WD water system (EPA ID NY2912267). It reported 1 health-based violation to EPA in the five years to October 2026: a PFAS chemical (PFOA). 83% of systems its size had none. Its latest lead 90th percentile was 2.0 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Flower Hill?
PSEG Long Island (Long Island Power Authority), a state utility. Its homes paid about 26.2¢ per kWh in 2025 (EIA).
What internet providers serve Flower Hill?
Verizon, Optimum, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Flower Hill?
11030 (53%), 11576 (28%), 11050 (19%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Flower Hill in?
Port Washington Union Free School District. Parts of the city are in Manhasset Union Free School District and Roslyn Union Free School District.
How do I register to vote in Flower Hill?
In New York you can register online until 10 days before Election Day, in person until 10 days before Election Day, or by mail (postmarked 15 days before and received 10 days before). Elections here are run by the Nassau County Board of Elections. Check your registration at voterlookup.elections.ny.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: Flower Hill’s own website (villageflowerhill.gov), read Oct 21, 2026, pickup and drop-off facts extracted and checked against the page they came from.
- 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 Aug 3, 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.