Living in Katherine, AZ: what to set up and who to call
Katherine Resorts Water Company reported 3 health-based violations to EPA in the last five years: a groundwater treatment requirement (Groundwater Rule) ×3. 78% of systems its size reported none. Katherine has no town government of its own, so Mohave County runs its elections and most services, and its children attend Colorado River Union High School District.
I’m new in town
What to set up in Katherine, 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 Katherine.
Power comes from UNS Electric
UNS Electric (UNS Electric, Inc), an investor-owned utility, serves all of Katherine. Its homes paid an average of 17.0¢ per kWh in 2025, about $144 a month (its average across Arizona).
Start or move service: uns.com
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Katherine Resorts Water Company
Katherine Resorts Water Company supplies Katherine: about 55% of residents live in its service area. Katherine Landing Dwtp serves another 47%. It draws ground water and serves 58 people in all.
3 health-based violations reported to EPA in the five years to October 2026: a groundwater treatment requirement (Groundwater Rule) ×3, the latest beginning Oct 2023. 78% of the 11,392 systems serving <=100 people had none.
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. 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. AZ0408018.
Which providers serve Katherine
This card will list the home internet providers the FCC’s National Broadband Map shows in Katherine, 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 Katherine’s trash rules yet
Pickup rules, the dump and recycling in Katherine.
Where your child goes to school
Public school districts and the school path by grade.
Katherine is in two districts that split the grades: Colorado River Union High School District and Bullhead City 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
Katherine is unincorporated, so Mohave 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.
Katherine is in ZIP code 86429
ZIP codes where Katherine residents live, with the share of the town in each.
| ZIP | Post office name | Share of Katherine | ZIP’s residents in Katherine |
|---|---|---|---|
| 86429 | Bullhead City, AZ | 100% | 1% |
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 Katherine
Who supplies Katherine’s drinking water, and has it had violations?
Katherine Resorts Water Company (EPA ID AZ0408018). It reported 3 health-based violations to EPA in the five years to October 2026: a groundwater treatment requirement (Groundwater Rule) ×3. 78% 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 Katherine?
UNS Electric (UNS Electric, Inc), an investor-owned utility. Its homes paid about 17.0¢ per kWh in 2025 (EIA).
What ZIP codes are in Katherine?
86429. Census 2020 ZIP Code Tabulation Areas.
What school district is Katherine in?
Colorado River Union High School District and Bullhead City School District.
How do I register to vote in Katherine?
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 Mohave 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): pending.