Living in Centennial Park, AZ: what to set up and who to call
Centennial Park has no town government of its own, so Mohave County runs its elections and most services, and its children attend Colorado City Unified District. Tap water in Centennial Park comes from Centennial Park Dwid, 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.
I’m new in town
What to set up in Centennial Park, 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 Centennial Park.
Power comes from Garkane Energy Coop
Garkane Energy Coop (Garkane Energy Coop, Inc), a cooperative utility, serves all of Centennial Park. Its homes paid an average of 12.1¢ per kWh in 2025, about $186 a month (its average across Arizona).
Start or move service: garkaneenergy.com · (888) 644-5026
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Centennial Park Dwid
Centennial Park Dwid supplies almost all of Centennial Park. It draws ground water and serves 1,578 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 2023–Dec 2025, 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. AZ0408090.
2 home internet providers serve Centennial Park
87% of 301 addresses can get 100/20 Mbps; 84% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| South Central Communications | Fixed wireless, Fiber, DSL | 80% | 1,000/1,000 |
| Verizon | Fixed wireless | 79% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Centennial Park’s trash rules yet
Pickup rules, the dump and recycling in Centennial Park.
Where your child goes to school
Public school districts and the school path by grade.
Centennial Park is in Colorado City Unified District.
BSchool gradeSee 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
Centennial Park 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.
Centennial Park is in ZIP code 86021
ZIP codes where Centennial Park residents live, with the share of the town in each.
| ZIP | Post office name | Share of Centennial Park | ZIP’s residents in Centennial Park |
|---|---|---|---|
| 86021 | Colorado City, AZ | 100% | 38% |
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 Centennial Park
Who supplies Centennial Park’s drinking water, and has it had violations?
Centennial Park Dwid (EPA ID AZ0408090). 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 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Centennial Park?
Garkane Energy Coop (Garkane Energy Coop, Inc), a cooperative utility. Its homes paid about 12.1¢ per kWh in 2025 (EIA).
What internet providers serve Centennial Park?
South Central Communications, Verizon (FCC, as of December 2025).
What ZIP codes are in Centennial Park?
86021. Census 2020 ZIP Code Tabulation Areas.
What school district is Centennial Park in?
Colorado City Unified District.
How do I register to vote in Centennial Park?
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 National Broadband Map, as of December 2025.