Living in Green Harbor, MA: what to set up and who to call
Green Harbor has no town government of its own, so Plymouth County runs its elections and most services, and its children attend Duxbury School District. Beth Israel Deaconess Hospital Plymouth, 8.4 miles away, is the nearest emergency room.
I’m new in town
What to set up in Green Harbor, 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 Green Harbor.
Power comes from Eversource
Eversource (NSTAR Electric Co., doing business as Eversource), an investor-owned utility, serves all of Green Harbor. Its homes paid an average of 21.5¢ per kWh in 2025, about $102 a month (its average across Massachusetts, for customers on its standard service). Massachusetts lets you buy power from another supplier; 76% of Eversource’s home customers do, and Eversource still delivers it.
Start or move service: nstar.com · (800) 592-2000
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Duxbury Water Department
Duxbury Water Department supplies Green Harbor: about 50% of residents live in its service area. Marshfield Water Department serves another 48%. It draws ground water (EPA lists Marshfield Water Department as seller) and serves 16,387 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 83% of the 3,525 systems serving 10,001–50,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2023, was 4.4 ppb, below the 15 ppb action level that applied. The highest in five years was 4.5 ppb. That’s higher than 89% 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. MA4082000.
2 home internet providers serve Green Harbor
100% of 362 addresses can get 100/20 Mbps; 97% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 100% | 1,200/35 |
| Verizon | Fiber, Fixed wireless | 99% | 2,300/2,300 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Green Harbor’s trash rules yet
Pickup rules, the dump and recycling in Green Harbor.
Where your child goes to school
Public school districts and the school path by grade.
Most of Green Harbor (75%) is in Duxbury School District; parts are in Marshfield School District (25%).
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
Green Harbor is unincorporated, so Plymouth County is the local government.
Election office: FVAP local election office directory, updated Jun 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Green Harbor spans 2 ZIP codes
ZIP codes where Green Harbor residents live, with the share of the town in each.
| ZIP | Post office name | Share of Green Harbor | ZIP’s residents in Green Harbor |
|---|---|---|---|
| 02332 | Duxbury, MA | 52% | 1% |
| 02050 | Marshfield, MA | 48% | 1% |
02041 is P.O. box or single-organization ZIP with no homes.
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 Green Harbor
Who supplies Green Harbor’s drinking water, and has it had violations?
Duxbury Water Department (EPA ID MA4082000). It reported no health-based violations to EPA in the five years to October 2026; 83% of systems its size had none. Its latest lead 90th percentile was 4.4 ppb (Jan–Dec 2023), against a 15 ppb action level.
Who provides electricity in Green Harbor?
Eversource (NSTAR Electric Co., doing business as Eversource), an investor-owned utility. Its homes paid about 21.5¢ per kWh in 2025 (EIA).
What internet providers serve Green Harbor?
Xfinity, Verizon (FCC, as of December 2025).
What ZIP codes are in Green Harbor?
02332 (52%), 02050 (48%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Green Harbor in?
Duxbury School District. Parts of the city are in Marshfield School District.
How do I register to vote in Green Harbor?
In Massachusetts you can register online until 10 days before Election Day, in person until 10 days before Election Day, or by mail (postmarked 10 days before). Elections here are run by the Duxbury Town Clerk. Check your registration at sec.state.ma.us.
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.