Photo: Ken Gallager at Wikipedia · CC BY-SA 4.0Living in Grantham, NH: what to set up and who to call
The Village Dist of Eastman water system has a clean five-year EPA record, but its latest lead result, 7.0 ppb, was higher than 96% of similar systems’ (the action level is 15). Power in Grantham comes from New Hampshire Elec Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in Grantham, 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 Grantham.
Power comes from New Hampshire Elec Coop
New Hampshire Elec Coop (New Hampshire Elec Coop Inc), a cooperative utility, serves all of Grantham. Its homes paid an average of 24.7¢ per kWh in 2025, about $151 a month (its average across New Hampshire, for customers on its standard service). New Hampshire lets you buy power from another supplier; 6% of New Hampshire Elec Coop’s home customers do, and New Hampshire Elec Coop still delivers it.
Start or move service: nhec.com · (800) 698-2007
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Village Dist of Eastman water system
The Village Dist of Eastman water system supplies Grantham: about 63% of residents live in its service area. Gray Ledges serves another 6%. About 30% 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 3,400 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 Jul–Dec 2024, was 7.0 ppb, below the 15 ppb action level that applied. The highest in five years was 16.0 ppb. That’s higher than 96% 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. NH0951010.
6 home internet providers serve Grantham
98% of 1,714 addresses can get 100/20 Mbps; 75% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 91% | 2,000/250 |
| Fidium Fiber | Fiber | 61% | 2,000/2,000 |
| Consolidated Communications | DSL | 21% | 10/1 |
| Hub66 | Fiber | 20% | 8,000/8,000 |
| T-Mobile | Fixed wireless | 53% | 100/20 |
| Verizon | Fixed wireless | 3% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Grantham has its own drop-off: Grantham Transfer Station
Where to take trash and recycling in Grantham, and where the rules are.
Grantham Transfer Station
Before you go, check the rules on granthamnh.net.
OpenStreetMap, as of Oct 9, 2026 (last edited Dec 2024). © OpenStreetMap contributors.
Where your child goes to school
Public school districts and the school path by grade.
Grantham is in Grantham School District.
A+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.
Grantham is in ZIP code 03753
ZIP codes where Grantham residents live, with the share of the town in each.
| ZIP | Post office name | Share of Grantham | ZIP’s residents in Grantham |
|---|---|---|---|
| 03753 | Grantham, NH | 100% | 98% |
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 Grantham
Who supplies Grantham’s drinking water, and has it had violations?
The Village Dist of Eastman water system (EPA ID NH0951010). 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 7.0 ppb (Jul–Dec 2024), against a 15 ppb action level.
Who provides electricity in Grantham?
New Hampshire Elec Coop (New Hampshire Elec Coop Inc), a cooperative utility. Its homes paid about 24.7¢ per kWh in 2025 (EIA).
What internet providers serve Grantham?
Xfinity, Fidium Fiber, Consolidated Communications, Hub66, T-Mobile, Verizon (FCC, as of December 2025).
What ZIP codes are in Grantham?
03753. Census 2020 ZIP Code Tabulation Areas.
What school district is Grantham in?
Grantham School District.
How do I register to vote in Grantham?
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 Grantham. 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: 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 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.