Photo: Jeffrey Beall · CC BY 4.0Living in Basalt, CO: what to set up and who to call
Tap water in most of Basalt comes from the Town of Basalt water system, which has a clean five-year EPA record (about 22% of systems its size had a health-based violation) and a latest lead result below detection. Power in Basalt comes from Holy Cross Electric Assn, a cooperative utility rather than a private company.
I’m new in town
What to set up in Basalt, 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 Basalt.
Power comes from Holy Cross Electric Assn
Holy Cross Electric Assn (Holy Cross Electric Assn, Inc), a cooperative utility, serves all of Basalt. Its homes paid an average of 12.4¢ per kWh in 2025, about $140 a month (its average across Colorado).
Start or move service: holycross.com · (970) 945-5491
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Town of Basalt water system
The Town of Basalt water system supplies Basalt: about 54% of residents live in its service area. Mid Valley Md serves another 38%. About 9% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water influenced by surface water and serves 2,357 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 7,966 systems serving 1,001–3,300 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. The highest in five years was 1.0 ppb. 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. Violations are counted by the start of their compliance period. CO0119134.
7 home internet providers serve Basalt
100% of 1,265 addresses can get 100/20 Mbps; 12% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 99% | 1,200/35 |
| Pathfinder | Fixed wireless, Fiber | 96% | 500/125 |
| CenturyLink | DSL | 55% | 10/1 |
| Ting | Fiber | 2% | 2,000/2,000 |
| Rise Broadband | Fixed wireless | 80% | 50/10 |
| T-Mobile | Fixed wireless | 71% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Basalt’s trash rules yet
Pickup rules, the dump and recycling in Basalt.
Where your child goes to school
Public school districts and the school path by grade.
Basalt is in Roaring Fork 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.
Basalt is in ZIP code 81621
ZIP codes where Basalt residents live, with the share of the town in each.
| ZIP | Post office name | Share of Basalt | ZIP’s residents in Basalt |
|---|---|---|---|
| 81621 | Basalt, CO | 100% | 66% |
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 Basalt
Who supplies Basalt’s drinking water, and has it had violations?
The Town of Basalt water system (EPA ID CO0119134). 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 0.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Basalt?
Holy Cross Electric Assn (Holy Cross Electric Assn, Inc), a cooperative utility. Its homes paid about 12.4¢ per kWh in 2025 (EIA).
What internet providers serve Basalt?
Xfinity, Pathfinder, CenturyLink, Ting, Rise Broadband, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Basalt?
81621. Census 2020 ZIP Code Tabulation Areas.
What school district is Basalt in?
Roaring Fork School District RE-1.
How do I register to vote in Basalt?
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 Eagle 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.