Rio Grande Southern Railroad, Motor No. 2 · Photo: Russell Lee · Public domainLiving in Fairmount, CO: what to set up and who to call
Fairmount has no town government of its own, so Jefferson County runs its elections and most services, and its children attend Jefferson County School District R-1. Intermountain Health Lutheran Hospital, 4.6 miles away, is the nearest emergency room.
I’m new in town
What to set up in Fairmount, 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 Fairmount.
Power comes from Xcel Energy
Xcel Energy (Public Service Co. of Colorado), an investor-owned utility, serves all of Fairmount. 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 North Table Mountain WSD
North Table Mountain WSD supplies almost all of Fairmount. It draws surface water (EPA lists City of Arvada as seller) and serves 10,000 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 1.3 ppb, below the 15 ppb action level that applied. The highest in five years was 1.9 ppb. That’s higher than 56% 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. CO0130105.
9 home internet providers serve Fairmount
100% of 3,620 addresses can get 100/20 Mbps; 29% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 88% | 2,000/2,000 |
| TDS Telecom | Cable, Fiber | 75% | 1,000/1,000 |
| CenturyLink | DSL, Fiber | 74% | 100/10 |
| Quantum Fiber | Fiber | 23% | 8,000/8,000 |
| LiveWireNet | Fixed wireless | 89% | 250/100 |
| Verizon | Fixed wireless | 88% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Fairmount’s trash rules yet
Pickup rules, the dump and recycling in Fairmount.
Where your child goes to school
Public school districts and the school path by grade.
Fairmount is in Jefferson County School District R-1.
A−School gradeSee Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
No town hall: the county runs things
Fairmount is unincorporated, so Jefferson County is the local government.
Election office: FVAP local election office directory, updated Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Fairmount spans 3 ZIP codes
ZIP codes where Fairmount residents live, with the share of the town in each.
| ZIP | Post office name | Share of Fairmount | ZIP’s residents in Fairmount |
|---|---|---|---|
| 80403 | Golden, CO | 74% | 32% |
| 80002 | Arvada, CO | 23% | 10% |
| 80004 | Arvada, CO | 3% | 1% |
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 Fairmount
Who supplies Fairmount’s drinking water, and has it had violations?
North Table Mountain WSD (EPA ID CO0130105). 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 1.3 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Fairmount?
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 Fairmount?
Xfinity, TDS Telecom, CenturyLink, Quantum Fiber, LiveWireNet, Verizon (FCC, as of December 2025).
What ZIP codes are in Fairmount?
80403 (74%), 80002 (23%), 80004 (3%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Fairmount in?
Jefferson County School District R-1.
How do I register to vote in Fairmount?
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 Jefferson 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.