Living in Parker School, MT: what to set up and who to call
Parker School has no town government of its own, so Chouteau County runs its elections and most services, and its children attend Rocky Boy Elementary School District. Power in Parker School comes from Hill County Electric Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in Parker School, 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 School.
Power comes from Hill County Electric Coop
Hill County Electric Coop (Hill County Electric Coop, Inc), a cooperative utility, serves all of Parker School.
Start or move service: www.hcelectric.com · (406) 394-7804
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Rocky Boy Agency Water System
Rocky Boy Agency Water System supplies Parker School: about 48% of residents live in its service area. Rocky Boy's Rural Water serves another 23%. Eagleman Community Water serves another 17%. About 29% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water and serves 1,442 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–Dec 2026, was 2.0 ppb, below the 15 ppb action level that applied. That’s higher than 69% 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. 083090079.
2 home internet providers serve Parker School
100% of 97 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Triangle Communications | Fiber | 100% | 100/20 |
| Verizon | Fixed wireless | 77% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Parker School’s trash rules yet
Pickup rules, the dump and recycling in Parker School.
Where your child goes to school
Public school districts and the school path by grade.
Parker School is in two districts that split the grades: Rocky Boy Elementary School District and Rocky Boy 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
Parker School is unincorporated, so Chouteau County is the local government.
Election office: FVAP local election office directory, updated Jul 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Parker School is in ZIP code 59521
ZIP codes where Parker School residents live, with the share of the town in each.
| ZIP | Post office name | Share of Parker School | ZIP’s residents in Parker School |
|---|---|---|---|
| 59521 | Box Elder, MT | 100% | 10% |
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 School
Who supplies Parker School’s drinking water, and has it had violations?
Rocky Boy Agency Water System (EPA ID 083090079). 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 2.0 ppb (Jan–Dec 2026), against a 15 ppb action level.
Who provides electricity in Parker School?
Hill County Electric Coop (Hill County Electric Coop, Inc), a cooperative utility.
What internet providers serve Parker School?
Triangle Communications, Verizon (FCC, as of December 2025).
What ZIP codes are in Parker School?
59521. Census 2020 ZIP Code Tabulation Areas.
What school district is Parker School in?
Rocky Boy Elementary School District and Rocky Boy High School District.
How do I register to vote in Parker School?
Montana has no online registration; you can register in person up to and including Election Day or by mail (postmarked 30 days before). Elections here are run by the Hill County Election Administrator. Check your registration at prodvoterportal.mt.gov.
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 Nov 18, 2024 (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.