Photo: Doug Kerr from Albany, NY, United States · CC BY-SA 2.0Living in Williston, VT: what to set up and who to call
Williston has its own drop-off, Green Mountain Compost. Williston runs its own elections, so the Williston Town Clerk, not a county office, keeps the voter rolls.
I’m new in town
What to set up in Williston, 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 Williston.
Power comes from Green Mountain Power
Green Mountain Power (Green Mountain Power Corp), an investor-owned utility, serves 84.2% of Williston residents. 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 Williston Water Dept
Williston Water Dept supplies Williston: about 82% of residents live in its service area. About 13% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It buys treated surface water (EPA lists Champlain Water District as seller) and serves 7,259 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 2023–Dec 2025, was 1.2 ppb, below the 15 ppb action level that applied. That’s higher than 54% 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. VT0005098.
7 home internet providers serve Williston
99% of 3,449 addresses can get 100/20 Mbps; 41% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 96% | 2,000/250 |
| Fidium Fiber | Fiber | 40% | 2,000/2,000 |
| Consolidated Communications | DSL | 30% | 60/20 |
| VTel Wireless | Fixed wireless | 79% | 25/3 |
| T-Mobile | Fixed wireless | 32% | 100/20 |
| Verizon | Fixed wireless | 23% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Williston has its own drop-off: Green Mountain Compost
Where to take trash and recycling in Williston, and where the rules are.
Green Mountain Compost
Before you go, check the rules on ci.burlington.vt.us.
OpenStreetMap, as of Oct 9, 2026 (last edited Jan 2026). © OpenStreetMap contributors.
Where your child goes to school
Public school districts and the school path by grade.
Williston is in two districts that split the grades: Champlain Valley Unified School District and Champlain Valley Supervisory 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 Nov 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.
Williston is in ZIP code 05495
ZIP codes where Williston residents live, with the share of the town in each.
| ZIP | Post office name | Share of Williston | ZIP’s residents in Williston |
|---|---|---|---|
| 05495 | Williston, VT | 100% | 93% |
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 Williston
Who supplies Williston’s drinking water, and has it had violations?
Williston Water Dept (EPA ID VT0005098). 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 1.2 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Williston?
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 Williston?
Xfinity, Fidium Fiber, Consolidated Communications, VTel Wireless, T-Mobile, Verizon (FCC, as of December 2025).
What ZIP codes are in Williston?
05495. Census 2020 ZIP Code Tabulation Areas.
What school district is Williston in?
Champlain Valley Unified School District and Champlain Valley Supervisory District.
How do I register to vote in Williston?
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 Williston 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.