Photo: User:Magicpiano · CC BY-SA 4.0Living in Greenfield, NH: what to set up and who to call
The Crotched Mountain School water system reported 5 health-based violations to EPA in the last five years: disinfection byproducts (TTHM) ×3, a groundwater treatment requirement (Groundwater Rule), disinfection byproducts (HAA5). 77% of systems its size reported none. To register to vote, go to the town clerk of Greenfield: Greenfield runs its own elections.
I’m new in town
What to set up in Greenfield, 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 Greenfield.
Power comes from Eversource
Eversource (Public Service Co. of New Hampshire), an investor-owned utility, serves all of Greenfield. Its homes paid an average of 24.2¢ per kWh in 2025, about $150 a month (its average across New Hampshire, for customers on its standard service). New Hampshire lets you buy power from another supplier; 43% of Eversource’s home customers do, and Eversource still delivers it.
Start or move service: eversource.com · (800) 662-7764
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Crotched Mountain School water system
The Crotched Mountain School water system supplies Greenfield: about 4% of residents live in its service area. About 93% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water and serves 300 people in all.
5 health-based violations reported to EPA in the five years to October 2026: disinfection byproducts (TTHM) ×3, a groundwater treatment requirement (Groundwater Rule), disinfection byproducts (HAA5), the latest beginning Jan 2025. 77% of the 15,074 systems serving 101–500 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Jun 2017, was 66.0 ppb, above the 15 ppb action level that applied. It’s from 2017: EPA has no newer result for this system.
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. NH0972010.
3 home internet providers serve Greenfield
88% of 722 addresses can get 100/20 Mbps; 88% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Fidium Fiber | Fiber | 90% | 2,000/2,000 |
| T-Mobile | Fixed wireless | 43% | 100/20 |
| Verizon | Fixed wireless | 4% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash and recycling in Greenfield
Pickup days, the drop-off and recycling in Greenfield, from the town’s own site.
Greenfield Recycling Center
29 DPW Drive, Greenfield, NH 03047
- Tue8 am–4 pm
- Thu11 am–6 pm
- Sat8 am–4 pm
Accepted at the curb
- Paper
- Glass
- Steel cans
- Aluminum cans
- Plastic bottles
From greenfield-nh.gov, the town’s official site, checked Oct 22, 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.
Greenfield is in Contoocook Valley School District.
B−School 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 Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 19, 2024.
Greenfield is in ZIP code 03047
ZIP codes where Greenfield residents live, with the share of the town in each.
| ZIP | Post office name | Share of Greenfield | ZIP’s residents in Greenfield |
|---|---|---|---|
| 03047 | Greenfield, NH | 100% | 99% |
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 Greenfield
Who supplies Greenfield’s drinking water, and has it had violations?
The Crotched Mountain School water system (EPA ID NH0972010). It reported 5 health-based violations to EPA in the five years to October 2026: disinfection byproducts (TTHM) ×3, a groundwater treatment requirement (Groundwater Rule), disinfection byproducts (HAA5). 77% of systems its size had none. Its latest lead 90th percentile was 66.0 ppb (Jan–Jun 2017), against a 15 ppb action level.
Who provides electricity in Greenfield?
Eversource (Public Service Co. of New Hampshire), an investor-owned utility. Its homes paid about 24.2¢ per kWh in 2025 (EIA).
What internet providers serve Greenfield?
Fidium Fiber, T-Mobile, Verizon (FCC, as of December 2025).
What ZIP codes are in Greenfield?
03047. Census 2020 ZIP Code Tabulation Areas.
What school district is Greenfield in?
Contoocook Valley School District.
How do I register to vote in Greenfield?
New Hampshire has no online registration; you can register in person up to and including Election Day or by mail only in special circumstances (received 13 days before). Elections here are run by the Town Clerk of Greenfield. Check your registration at app.sos.nh.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: Greenfield’s own website (greenfield-nh.gov), read Oct 22, 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 Nov 19, 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.