Reliance School and Gymnasium · Photo: Realwyo · CC BY-SA 3.0Living in Reliance, WY: what to set up and who to call
Reliance has no town government of its own, so Sweetwater County runs its elections and most services, and its children attend Sweetwater County School District 1. For an emergency, Memorial Hospital Sweetwater County is the closest ER, 23 miles away.
I’m new in town
What to set up in Reliance, 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 Reliance.
Power comes from Rocky Mountain Power
Rocky Mountain Power (PacifiCorp), an investor-owned utility, serves all of Reliance. Its homes paid an average of 15.1¢ per kWh in 2025, about $107 a month (its average across Wyoming).
Start or move service: pacificorp.com · (888) 221-7070
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from City of Rock Springs water system
The City of Rock Springs water system supplies almost all of Reliance. It buys treated surface water (EPA lists Rock Springs/Green River Jpb as seller) and serves 24,000 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 83% of the 3,525 systems serving 10,001–50,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–Dec 2025, was 3.0 ppb, below the 15 ppb action level that applied. That’s higher than 79% 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. WY5601182.
6 home internet providers serve Reliance
100% of 307 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| All West/Wyoming | Cable, Fixed wireless | 100% | 1,000/50 |
| LR Communications | Fixed wireless | 100% | 1,000/1,000 |
| Visionary Broadband | Fixed wireless | 99% | 100/20 |
| Wyoming.com | Fixed wireless | 96% | 50/20 |
| Verizon | Fixed wireless | 78% | 300/20 |
| Union Telephone Company | Fixed wireless | 56% | 50/5 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Reliance’s trash rules yet
Pickup rules, the dump and recycling in Reliance.
Where your child goes to school
Public school districts and the school path by grade.
Reliance is in Sweetwater 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
Reliance is unincorporated, so Sweetwater County is the local government.
Election office: FVAP local election office directory, updated Jun 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Reliance spans 2 ZIP codes
ZIP codes where Reliance residents live, with the share of the town in each.
| ZIP | Post office name | Share of Reliance | ZIP’s residents in Reliance |
|---|---|---|---|
| 82901 | Rock Springs, WY | 55% | 1% |
| 82943 | Reliance, WY | 45% | 92% |
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 Reliance
Who supplies Reliance’s drinking water, and has it had violations?
The City of Rock Springs water system (EPA ID WY5601182). It reported no health-based violations to EPA in the five years to October 2026; 83% of systems its size had none. Its latest lead 90th percentile was 3.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Reliance?
Rocky Mountain Power (PacifiCorp), an investor-owned utility. Its homes paid about 15.1¢ per kWh in 2025 (EIA).
What internet providers serve Reliance?
All West/Wyoming, LR Communications, Visionary Broadband, Wyoming.com, Verizon, Union Telephone Company (FCC, as of December 2025).
What ZIP codes are in Reliance?
82901 (55%), 82943 (45%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Reliance in?
Sweetwater County School District 1.
How do I register to vote in Reliance?
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 Sweetwater 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 National Broadband Map, as of December 2025.