Photo: Kenneth C. Zirkel · CC BY 4.0Living in Dedham, MA: what to set up and who to call
Dedham runs its own elections, so the Dedham Town Clerk, not a county office, keeps the voter rolls. The closest public drop-off to Dedham is The Winter Street Composting and Recycling Facility, 4 miles out; the town decides whether residents may use it.
I’m new in town
What to set up in Dedham, 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 Dedham.
Power comes from Eversource
Eversource (NSTAR Electric Co., doing business as Eversource), an investor-owned utility, serves all of Dedham. 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 Dedham Westwood Water Dist.
Dedham Westwood Water Dist. supplies almost all of Dedham. It buys treated surface water (EPA lists Mwra as seller) and serves 41,630 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 2025, 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. MA3073000.
6 home internet providers serve Dedham
100% of 7,962 addresses can get 100/20 Mbps; 92% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 100% | 2,000/2,000 |
| Astound Broadband | Cable, Fiber | 97% | 1,500/50 |
| Verizon | Fiber, Fixed wireless | 97% | 980/880 |
| T-Mobile | Fixed wireless | 58% | 100/20 |
| Netafy | Fixed wireless | 49% | 150/150 |
| AT&T | Fixed wireless | 40% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
The nearest public drop-off is 4 miles away
Pickup rules, the dump and recycling in Dedham.
The Winter Street Composting and Recycling Facility
This isn’t Dedham’s own facility. Whether Dedham residents may use it is the town’s rule: check dedham-ma.gov.
OpenStreetMap, as of Oct 9, 2026. © OpenStreetMap contributors.
Where your child goes to school
Public school districts and the school path by grade.
Dedham is in Dedham 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 Jun 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Dedham is in ZIP code 02026
ZIP codes where Dedham residents live, with the share of the town in each.
| ZIP | Post office name | Share of Dedham | ZIP’s residents in Dedham |
|---|---|---|---|
| 02026 | Dedham, MA | 100% | 100% |
02027 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.
Train: OpenStreetMap (© OpenStreetMap contributors). ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Dedham
Who supplies Dedham’s drinking water, and has it had violations?
Dedham Westwood Water Dist. (EPA ID MA3073000). 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 2.0 ppb (Jan–Dec 2025), against a 15 ppb action level.
Who provides electricity in Dedham?
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 Dedham?
Xfinity, Astound Broadband, Verizon, T-Mobile, Netafy, AT&T (FCC, as of December 2025).
What ZIP codes are in Dedham?
02026. Census 2020 ZIP Code Tabulation Areas.
What school district is Dedham in?
Dedham School District.
How do I register to vote in Dedham?
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 Dedham 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.