ECR Kooi Bridge · Photo: Clayton B. Fraser · Public domainLiving in Ranchester, WY: what to set up and who to call
Tap water in Ranchester comes from the Town of Ranchester 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. Tongue River Branch Library, at 145 Coffeen, is the library in town.
I’m new in town
What to set up in Ranchester, 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 Ranchester.
Power comes from Montana-Dakota Utilities
Montana-Dakota Utilities (Montana-Dakota Utilities Co), an investor-owned utility, serves all of Ranchester. Its homes paid an average of 12.0¢ per kWh in 2025, about $101 a month (its average across Wyoming).
Start or move service: montana-dakota.com · (800) 638-3278
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Town of Ranchester water system
The Town of Ranchester water system supplies almost all of Ranchester. It draws surface water and serves 1,297 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 2022–Dec 2024, 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. Violations are counted by the start of their compliance period. WY5600044.
3 home internet providers serve Ranchester
100% of 467 addresses can get 100/20 Mbps; 84% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Visionary Broadband | Fixed wireless, Fiber | 100% | 1,000/1,000 |
| Tongue River Communications | Cable | 100% | 100/20 |
| CenturyLink | DSL | 60% | 60/5 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in Ranchester depends on your street
Pickup days, the drop-off and recycling in Ranchester, from the town’s own site.
Your pickup week
- TrashEvery week, on your street’s dayFind your street’s day on ranchesterwy.gov →
Ranchester recycling trailers
We couldn’t find its opening hours.
Sorted recycling
Separate your recyclables by material.
- Aluminum
- Paper
- Plastic
- Cardboard
- Green waste such as small branches and grass clippings
From ranchesterwy.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.
Ranchester is in Sheridan County School District 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.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Jun 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Ranchester is in ZIP code 82839
ZIP codes where Ranchester residents live, with the share of the town in each.
| ZIP | Post office name | Share of Ranchester | ZIP’s residents in Ranchester |
|---|---|---|---|
| 82839 | Ranchester, WY | 100% | 73% |
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 Ranchester
Who supplies Ranchester’s drinking water, and has it had violations?
The Town of Ranchester water system (EPA ID WY5600044). 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 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Ranchester?
Montana-Dakota Utilities (Montana-Dakota Utilities Co), an investor-owned utility. Its homes paid about 12.0¢ per kWh in 2025 (EIA).
What internet providers serve Ranchester?
Visionary Broadband, Tongue River Communications, CenturyLink (FCC, as of December 2025).
What ZIP codes are in Ranchester?
82839. Census 2020 ZIP Code Tabulation Areas.
What school district is Ranchester in?
Sheridan County School District 1.
How do I register to vote in Ranchester?
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 Sheridan 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: Ranchester’s own website (ranchesterwy.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.