Photo: Marine 69-71 · CC BY-SA 4.0Living in Elfrida, AZ: what to set up and who to call
The Elfrida Wid water system reported 6 health-based violations to EPA in the last five years: a groundwater treatment requirement (Groundwater Rule) ×5, a lead and copper treatment requirement (Lead and Copper Rule Revisions). 78% of systems its size reported none. Elfrida has no town government of its own, so Cochise County runs its elections and most services, and its children attend Elfrida Elementary District.
I’m new in town
What to set up in Elfrida, 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 Elfrida.
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 Elfrida. 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 Elfrida Wid water system
The Elfrida Wid water system supplies almost all of Elfrida. It draws ground water and serves 800 people in all.
6 health-based violations reported to EPA in the five years to October 2026: a groundwater treatment requirement (Groundwater Rule) ×5, a lead and copper treatment requirement (Lead and Copper Rule Revisions), the latest beginning Oct 2024. 78% of the 5,327 systems serving 501–1,000 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2024–Dec 2026, was 3.0 ppb, below the 15 ppb action level that applied. The highest in five years was 7.0 ppb. That’s higher than 81% 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. AZ0402017.
2 home internet providers serve Elfrida
22% of 279 addresses can get 100/20 Mbps; 3% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Valley Telecom Group | DSL, Fiber | 97% | 60/15 |
| T-Mobile | Fixed wireless | 19% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Elfrida’s trash rules yet
Pickup rules, the dump and recycling in Elfrida.
Where your child goes to school
Public school districts and the school path by grade.
Elfrida is in two districts that split the grades: Elfrida Elementary District and Valley Union High School District.
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
Elfrida is unincorporated, so Cochise County is the local government.
Election office: FVAP local election office directory, updated Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Elfrida is in ZIP code 85610
ZIP codes where Elfrida residents live, with the share of the town in each.
| ZIP | Post office name | Share of Elfrida | ZIP’s residents in Elfrida |
|---|---|---|---|
| 85610 | Elfrida, AZ | 100% | 40% |
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 Elfrida
Who supplies Elfrida’s drinking water, and has it had violations?
The Elfrida Wid water system (EPA ID AZ0402017). It reported 6 health-based violations to EPA in the five years to October 2026: a groundwater treatment requirement (Groundwater Rule) ×5, a lead and copper treatment requirement (Lead and Copper Rule Revisions). 78% of systems its size had none. Its latest lead 90th percentile was 3.0 ppb (Jan 2024–Dec 2026), against a 15 ppb action level.
Who provides electricity in Elfrida?
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 Elfrida?
Valley Telecom Group, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Elfrida?
85610. Census 2020 ZIP Code Tabulation Areas.
What school district is Elfrida in?
Elfrida Elementary District and Valley Union High School District.
How do I register to vote in Elfrida?
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.