Photo: Jeffrey Beall · CC BY 3.0Living in Centennial, WY: what to set up and who to call
Centennial has no town government of its own, so Albany County runs its elections and most services, and its children attend Albany County School District 1. Power in Centennial comes from Carbon Power & Light, a cooperative utility rather than a private company.
I’m new in town
What to set up in Centennial, 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 Centennial.
Power comes from Carbon Power & Light
Carbon Power & Light (Carbon Power & Light, Inc), a cooperative utility, serves all of Centennial.
Start or move service: www.carbonpower.com · (307) 326-5206
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Centennial Water and Sewer District
Centennial Water and Sewer District supplies Centennial: about 45% of residents live in its service area. About 55% 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 150 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 77% of the 15,074 systems serving 101–500 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2025, was 1.3 ppb, below the 15 ppb action level that applied. The highest in five years was 4.1 ppb. That’s higher than 63% 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. WY5601232.
Which providers serve Centennial
This card will list the home internet providers the FCC’s National Broadband Map shows in Centennial, the share of addresses that can get 100/20 Mbps and the share with fiber, with the map’s “as of” date.
Source to come: FCC Broadband Data Collection.
We don’t have Centennial’s trash rules yet
Pickup rules, the dump and recycling in Centennial.
Where your child goes to school
Public school districts and the school path by grade.
Centennial is in Albany County School District 1.
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.
No town hall: the county runs things
Centennial is unincorporated, so Albany County is the local government.
Election office: FVAP local election office directory, updated Jun 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Centennial is in ZIP code 82055
ZIP codes where Centennial residents live, with the share of the town in each.
| ZIP | Post office name | Share of Centennial | ZIP’s residents in Centennial |
|---|---|---|---|
| 82055 | Centennial, WY | 100% | 100% |
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 Centennial
Who supplies Centennial’s drinking water, and has it had violations?
Centennial Water and Sewer District (EPA ID WY5601232). It reported no health-based violations to EPA in the five years to October 2026; 77% of systems its size had none. Its latest lead 90th percentile was 1.3 ppb (Jan–Dec 2025), against a 15 ppb action level.
Who provides electricity in Centennial?
Carbon Power & Light (Carbon Power & Light, Inc), a cooperative utility.
What ZIP codes are in Centennial?
82055. Census 2020 ZIP Code Tabulation Areas.
What school district is Centennial in?
Albany County School District 1.
How do I register to vote in Centennial?
Wyoming has no online registration; you can register in person up to and including Election Day or by mail (received 14 days before). Elections here are run by the Albany County Clerk. Check your registration at sos.wyo.gov.
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): pending.