Photo: Greenmountainboy · CC BY-SA 3.0Living in Cornwall, VT: what to set up and who to call
Middlebury Water Dept has a clean five-year EPA record, but its latest lead result, 8.6 ppb, was higher than 98% of similar systems’ (the action level is 15). Voting is local here: the Cornwall Town Clerk registers voters and runs elections, not the county.
I’m new in town
What to set up in Cornwall, 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 Cornwall.
Power comes from Green Mountain Power
Green Mountain Power (Green Mountain Power Corp), an investor-owned utility, serves all of Cornwall. Its homes paid an average of 23.3¢ per kWh in 2025, about $140 a month (its average across Vermont).
Start or move service: greenmountainpower.com · (888) 836-4672
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Middlebury Water Dept
Middlebury Water Dept supplies Cornwall: about 4% of residents live in its service area. About 92% 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 9,379 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 Jan 2021–Dec 2023, was 8.6 ppb, below the 15 ppb action level that applied. That’s higher than 98% 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. VT0005004.
5 home internet providers serve Cornwall
99% of 558 addresses can get 100/20 Mbps; 98% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| GoNetspeed | Fiber, DSL | 89% | 1,000/1,000 |
| Maple Broadband | Fiber | 71% | 1,000/1,000 |
| VTel Wireless | Fixed wireless | 35% | 25/3 |
| Verizon | Fixed wireless | 11% | 300/20 |
| AT&T | Fixed wireless | 3% | 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 5 miles away
Pickup rules, the dump and recycling in Cornwall.
ACSWMD Transfer Station
1223 US Route 7 South, Middlebury, VT, 05753 · run by Addison County Solid Waste Management District
This isn’t Cornwall’s own facility. Whether Cornwall residents may use it is the town’s rule: check CornwallVT.com.
OpenStreetMap, as of Oct 9, 2026. © OpenStreetMap contributors.
Where your child goes to school
Public school districts and the school path by grade.
Cornwall is in two districts that split the grades: Addison Central Unified School District and Addison Central Supervisory District.
BSchool 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 Nov 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.
Cornwall spans 2 ZIP codes
ZIP codes where Cornwall residents live, with the share of the town in each.
| ZIP | Post office name | Share of Cornwall | ZIP’s residents in Cornwall |
|---|---|---|---|
| 05753 | Middlebury, VT | 95% | 10% |
| 05778 | Whiting, VT | 4% | 7% |
A few homes fall in 05734.
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 Cornwall
Who supplies Cornwall’s drinking water, and has it had violations?
Middlebury Water Dept (EPA ID VT0005004). 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 8.6 ppb (Jan 2021–Dec 2023), against a 15 ppb action level.
Who provides electricity in Cornwall?
Green Mountain Power (Green Mountain Power Corp), an investor-owned utility. Its homes paid about 23.3¢ per kWh in 2025 (EIA).
What internet providers serve Cornwall?
GoNetspeed, Maple Broadband, VTel Wireless, Verizon, AT&T (FCC, as of December 2025).
What ZIP codes are in Cornwall?
05753 (95%), 05778 (4%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Cornwall in?
Addison Central Unified School District and Addison Central Supervisory District.
How do I register to vote in Cornwall?
In Vermont you can register online up to and including Election Day, in person up to and including Election Day, or by mail (received by Election Day). Elections here are run by the Cornwall Town Clerk. Check your registration at mvp.vermont.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 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.