Photo: Nyttend · Public domainLiving in Westminster, CO: what to set up and who to call
The closest public drop-off to Westminster is Broomfield Recycling Center, 4 miles out; the town decides whether residents may use it. Westminster has its own train station.
I’m new in town
What to set up in Westminster, 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 Westminster.
Power comes from Xcel Energy
Xcel Energy (Public Service Co. of Colorado), an investor-owned utility, serves all of Westminster. 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 City of Westminster water system
The City of Westminster water system supplies almost all of Westminster. It draws surface water (EPA lists Crestview WSD and City of Northglenn and City of Thornton and County of Broomfield City and and Denver Water Board as sellers) and serves 202,078 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 86% of the 332 systems serving 100,001–250,000 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 2.0 ppb. That’s higher than 52% 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. CO0101170.
11 home internet providers serve Westminster
100% of 34,294 addresses can get 100/20 Mbps; 55% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable, Fiber | 100% | 2,000/2,000 |
| CenturyLink | DSL, Fiber | 72% | 140/20 |
| Intrepid Fiber Networks | Fiber | 29% | 2,000/2,000 |
| Quantum Fiber | Fiber | 22% | 8,000/8,000 |
| Metronet | Fiber | 13% | 5,120/5,120 |
| Verizon | Fixed wireless | 51% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
In Westminster, you hire your own trash hauler
Pickup days, the drop-off and recycling in Westminster, from the town’s own site.
Westminster Sustainability Center
We couldn’t find its opening hours.
From westminsterco.gov, the town’s official site, checked Oct 21, 2026. Rules change: the town’s page is the last word. .
Where your child goes to school
Public school districts and the school path by grade.
Most of Westminster (47%) is in Jefferson County School District R-1; parts are in Adams 12 Five Star Schools (33%) and Westminster Public School District (20%).
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 Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Westminster spans 9 ZIP codes
ZIP codes where Westminster residents live, with the share of the town in each.
| ZIP | Post office name | Share of Westminster | ZIP’s residents in Westminster |
|---|---|---|---|
| 80031 | Westminster, CO | 28% | 86% |
| 80021 | Broomfield, CO | 23% | 73% |
| 80234 | Denver, CO | 17% | 66% |
| 80030 | Westminster, CO | 13% | 96% |
| 80020 | Broomfield, CO | 9% | 19% |
| 80003 | Arvada, CO | 5% | 17% |
| 80023 | Broomfield, CO | 3% | 12% |
| 80005 | Arvada, CO | 2% | 8% |
| 80260 | Denver, CO | 1% | 4% |
80035, 80036 are P.O. box or single-organization ZIPs 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.
Train: OpenStreetMap (© OpenStreetMap contributors). ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Westminster
Who supplies Westminster’s drinking water, and has it had violations?
The City of Westminster water system (EPA ID CO0101170). It reported no health-based violations to EPA in the five years to October 2026; 86% 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 Westminster?
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 Westminster?
Xfinity, CenturyLink, Intrepid Fiber Networks, Quantum Fiber, Metronet, Verizon (FCC, as of December 2025).
What ZIP codes are in Westminster?
80031 (28%), 80021 (23%), 80234 (17%), 80030 (13%), 80020 (9%), 80003 (5%), 80023 (3%), 80005 (2%), 80260 (1%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Westminster in?
Jefferson County School District R-1. Parts of the city are in Adams 12 Five Star Schools and Westminster Public School District.
How do I register to vote in Westminster?
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 Adams 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: Westminster’s own website (westminsterco.gov), read Oct 21, 2026, pickup and drop-off facts extracted and checked against the page they came from.
- 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.