Slate Creek Bridge · Photo: Thad Roan from Littleton, CO, USA. · CC BY-SA 2.0Living in Silverthorne, CO: what to set up and who to call
Tap water in Silverthorne comes from the Town of Silverthorne water system, which has a clean five-year EPA record (about 20% of systems its size had a health-based violation) and a latest lead result below detection. North Branch Library, at 651 Center Circle, is the library in town.
I’m new in town
What to set up in Silverthorne, 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 Silverthorne.
Power comes from Xcel Energy
Xcel Energy (Public Service Co. of Colorado), an investor-owned utility, serves all of Silverthorne. Its homes paid an average of 15.9¢ per kWh in 2025, about $93 a month (its average across Colorado).
Start or move service: xcelenergy.com · (800) 895-4999
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Town of Silverthorne water system
The Town of Silverthorne water system supplies Silverthorne: about 92% of residents live in its service area. About 8% 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 8,400 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 Jan 2023–Dec 2025, was 0.0 ppb, below the 15 ppb action level that applied. Results below detection are reported as 0, so 0 doesn’t mean no lead at any tap.
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 (EPA’s estimate). Violations are counted by the start of their compliance period. CO0159095.
6 home internet providers serve Silverthorne
100% of 2,142 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 100% | 1,200/35 |
| CenturyLink | DSL, Fiber | 16% | 60/5 |
| Arbor Mesh Internet | Fixed wireless | 95% | 1,000/1,000 |
| AT&T | Fixed wireless | 27% | 100/20 |
| Verizon | Fixed wireless | 17% | 300/20 |
| 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 Silverthorne’s trash rules yet
Pickup rules, the dump and recycling in Silverthorne.
Where your child goes to school
Public school districts and the school path by grade.
Silverthorne is in Summit School District RE-1.
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 Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Silverthorne is in ZIP code 80498
ZIP codes where Silverthorne residents live, with the share of the town in each.
| ZIP | Post office name | Share of Silverthorne | ZIP’s residents in Silverthorne |
|---|---|---|---|
| 80498 | Silverthorne, CO | 100% | 52% |
A few homes fall in 80435. 80497 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.
ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Silverthorne
Who supplies Silverthorne’s drinking water, and has it had violations?
The Town of Silverthorne water system (EPA ID CO0159095). 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 0.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Silverthorne?
Xcel Energy (Public Service Co. of Colorado), an investor-owned utility. Its homes paid about 15.9¢ per kWh in 2025 (EIA).
What internet providers serve Silverthorne?
Xfinity, CenturyLink, Arbor Mesh Internet, AT&T, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Silverthorne?
80498. Census 2020 ZIP Code Tabulation Areas.
What school district is Silverthorne in?
Summit School District RE-1.
How do I register to vote in Silverthorne?
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 Summit 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.