Photo: Marine 69-71 · CC BY-SA 4.0Living in Parker, AZ: what to set up and who to call
Power in Parker comes from McMullen Valley Water C&D Dist, a political subdivision utility rather than a private company. Two school districts split the grades in Parker: Bicentennial Union High School District and Bouse Elementary District.
I’m new in town
What to set up in Parker, 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 Parker.
Power comes from McMullen Valley Water C&D Dist
McMullen Valley Water C&D Dist (McMullen Valley Water C&D Dist), a political subdivision utility, serves all of Parker.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Colorado River Regional Water System
Colorado River Regional Water System supplies Parker: about 73% of residents live in its service area. Town of Parker serves another 26%. About 19% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water (EPA lists Town of Parker as seller) and serves 3,476 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 80% of the 5,012 systems serving 3,301–10,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2020–Dec 2022, was 2.3 ppb, below the 15 ppb action level that applied. That’s higher than 74% 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 (EPA’s estimate). Violations are counted by the start of their compliance period. 090400051.
4 home internet providers serve Parker
90% of 1,096 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Optimum | Cable | 87% | 500/20 |
| Frontier | DSL | 69% | 45/3 |
| T-Mobile | Fixed wireless | 59% | 100/20 |
| Wirefree | Fixed wireless | 25% | 10/1 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Parker’s trash rules yet
Pickup rules, the dump and recycling in Parker.
Where your child goes to school
Public school districts and the school path by grade.
Parker is in two districts that split the grades: Bicentennial Union High School District and Bouse Elementary 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.
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.
Parker is in ZIP code 85344
ZIP codes where Parker residents live, with the share of the town in each.
| ZIP | Post office name | Share of Parker | ZIP’s residents in Parker |
|---|---|---|---|
| 85344 | Parker, AZ | 100% | 37% |
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 Parker
Who supplies Parker’s drinking water, and has it had violations?
Colorado River Regional Water System (EPA ID 090400051). It reported no health-based violations to EPA in the five years to October 2026; 80% of systems its size had none. Its latest lead 90th percentile was 2.3 ppb (Jan 2020–Dec 2022), against a 15 ppb action level.
Who provides electricity in Parker?
McMullen Valley Water C&D Dist (McMullen Valley Water C&D Dist), a political subdivision utility.
What internet providers serve Parker?
Optimum, Frontier, T-Mobile, Wirefree (FCC, as of December 2025).
What ZIP codes are in Parker?
85344. Census 2020 ZIP Code Tabulation Areas.
What school district is Parker in?
Bicentennial Union High School District and Bouse Elementary District. Parts of the city are in Parker Unified School District.
How do I register to vote in Parker?
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 La Paz 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.