Photo: Jeffrey Beall · CC BY 4.0Living in Williamsburg, CO: what to set up and who to call
All of Williamsburg gets its mail under one ZIP code, 81226. Children in Williamsburg attend Fremont RE-2.
I’m new in town
What to set up in Williamsburg, 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 Williamsburg.
Power comes from Black Hills Colorado Electric
Black Hills Colorado Electric (Black Hills Colorado Electric, LLC), an investor-owned utility, serves all of Williamsburg. Its homes paid an average of 18.7¢ per kWh in 2025, about $95 a month (its average across Colorado).
Start or move service: blackhillsenergy.com · (800) 694-8989
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Town of Williamsburg water system
The Town of Williamsburg water system supplies Williamsburg: about 90% of residents live in its service area. About 10% 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 City of Florence as seller) and serves 775 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 5,327 systems serving 501–1,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–Dec 2025, was 2.0 ppb, below the 15 ppb action level that applied. That’s higher than 70% 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. CO0122950.
8 home internet providers serve Williamsburg
86% of 325 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| CenturyLink | DSL | 77% | 60/5 |
| Spectrum | Cable | 68% | 1,000/1,000 |
| SECOM | Fixed wireless | 83% | 300/50 |
| Alpine Internet | Fixed wireless | 78% | 50/25 |
| AT&T | Fixed wireless | 64% | 25/3 |
| T-Mobile | Fixed wireless | 9% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Williamsburg’s trash rules yet
Pickup rules, the dump and recycling in Williamsburg.
Where your child goes to school
Public school districts and the school path by grade.
Williamsburg is in Fremont RE-2.
Test scores and every school: see 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 18, 2024.
Williamsburg is in ZIP code 81226
ZIP codes where Williamsburg residents live, with the share of the town in each.
| ZIP | Post office name | Share of Williamsburg | ZIP’s residents in Williamsburg |
|---|---|---|---|
| 81226 | Florence, CO | 100% | 9% |
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 Williamsburg
Who supplies Williamsburg’s drinking water, and has it had violations?
The Town of Williamsburg water system (EPA ID CO0122950). It reported no health-based violations to EPA in the five years to October 2026; 78% of systems its size had none. Its latest lead 90th percentile was 2.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Williamsburg?
Black Hills Colorado Electric (Black Hills Colorado Electric, LLC), an investor-owned utility. Its homes paid about 18.7¢ per kWh in 2025 (EIA).
What internet providers serve Williamsburg?
CenturyLink, Spectrum, SECOM, Alpine Internet, AT&T, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Williamsburg?
81226. Census 2020 ZIP Code Tabulation Areas.
What school district is Williamsburg in?
Fremont RE-2.
How do I register to vote in Williamsburg?
In Colorado you can register online until 8 days before Election Day, in person up to and including Election Day, or by mail (postmarked 8 days before). Elections here are run by the Fremont County Clerk and Recorder. Check your registration at sos.state.co.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.