Murray Springs Clovis Site · Photo: Ammodramus · CC0Living in Sierra Vista, AZ: what to set up and who to call
Power in Sierra Vista comes from Sulphur Springs Valley E C, a cooperative utility rather than a private company. Sierra Vista has its own drop-off, Refuse Transfer Station.
I’m new in town
What to set up in Sierra Vista, 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 Sierra Vista.
Power comes from Sulphur Springs Valley E C
Sulphur Springs Valley E C (Sulphur Springs Valley E C Inc), a cooperative utility, serves all of Sierra Vista. Its homes paid an average of 14.6¢ per kWh in 2025, about $107 a month (its average across Arizona).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Bella Vista City Water System
Bella Vista City Water System supplies Sierra Vista: about 50% of residents live in its service area. Pueblo Del Sol Water Company serves another 22%. Arizona Water Co - Sierra Vista serves another 16%. Us Army Fort Huachuca serves another 11%. It draws ground water and serves 20,045 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 2024–Dec 2026, was 0.0 ppb, below the 15 ppb action level that applied. The highest in five years was 1.0 ppb. 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. AZ0402010.
7 home internet providers serve Sierra Vista
99% of 15,769 addresses can get 100/20 Mbps; 50% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Cox Communications | Cable, Fixed wireless, Fiber | 96% | 2,000/100 |
| CenturyLink | DSL, Fiber | 44% | 60/5 |
| Allo Communications | Fiber | 44% | 2,300/2,300 |
| Verizon | Fixed wireless | 60% | 300/20 |
| AT&T | Fixed wireless | 42% | 100/20 |
| Hpaznet | Fixed wireless | 30% | 100/25 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Sierra Vista has its own drop-off: Refuse Transfer Station
Where to take trash and recycling in Sierra Vista, and where the rules are.
Refuse Transfer Station
Before you go, check the rules on sierravistaaz.gov.
OpenStreetMap, as of Oct 9, 2026 (last edited Feb 2015). © OpenStreetMap contributors.
Where your child goes to school
Public school districts and the school path by grade.
Most of Sierra Vista (83%) is in Fort Huachuca Accommodation District; parts are in Sierra Vista Unified District (17%).
ASchool 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 Sep 12, 2025.
Sierra Vista spans 3 ZIP codes
ZIP codes where Sierra Vista residents live, with the share of the town in each.
| ZIP | Post office name | Share of Sierra Vista | ZIP’s residents in Sierra Vista |
|---|---|---|---|
| 85635 | Sierra Vista, AZ | 72% | 93% |
| 85650 | Sierra Vista, AZ | 16% | 50% |
| 85613 | Fort Huachuca, AZ | 12% | 100% |
85636, 85671 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.
ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Sierra Vista
Who supplies Sierra Vista’s drinking water, and has it had violations?
Bella Vista City Water System (EPA ID AZ0402010). 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 0.0 ppb (Jan 2024–Dec 2026), against a 15 ppb action level.
Who provides electricity in Sierra Vista?
Sulphur Springs Valley E C (Sulphur Springs Valley E C Inc), a cooperative utility. Its homes paid about 14.6¢ per kWh in 2025 (EIA).
What internet providers serve Sierra Vista?
Cox Communications, CenturyLink, Allo Communications, Verizon, AT&T, Hpaznet (FCC, as of December 2025).
What ZIP codes are in Sierra Vista?
85635 (72%), 85650 (16%), 85613 (12%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Sierra Vista in?
Fort Huachuca Accommodation District. Parts of the city are in Sierra Vista Unified District.
How do I register to vote in Sierra Vista?
In Arizona you can register online until 29 days before Election Day, in person until 29 days before Election Day, or by mail (postmarked 29 days before). Elections here are run by the Cochise County Recorder. Check your registration at my.arizona.vote.
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 Sep 12, 2025 (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.