Living in Hilldale Colony, MT: what to set up and who to call
Hilldale Colony has no town government of its own, so Hill County runs its elections and most services, and its children attend Havre Elementary School District. Power in Hilldale Colony comes from Hill County Electric Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in Hilldale Colony, 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 Hilldale Colony.
Power comes from Hill County Electric Coop
Hill County Electric Coop (Hill County Electric Coop, Inc), a cooperative utility, serves all of Hilldale Colony.
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 Hilldale Colony water system
The Hilldale Colony water system supplies Hilldale Colony: about 0% of residents live in its service area. About 100% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It buys treated surface water (EPA lists North Havre County Water Dist as seller) and serves 79 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 11,392 systems serving <=100 people.
The latest lead result on file, the 90th percentile of homes sampled in Jul–Dec 2017, was 0.0 ppb, below the 15 ppb action level that applied. It’s from 2017: EPA has no newer result for this system. 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. MT0001774.
1 home internet providers serve Hilldale Colony
67% of 3 addresses can get 100/20 Mbps; 67% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Triangle Communications | Fiber | 67% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Hilldale Colony’s trash rules yet
Pickup rules, the dump and recycling in Hilldale Colony.
Where your child goes to school
Public school districts and the school path by grade.
Hilldale Colony is in two districts that split the grades: Havre Elementary School District and Havre 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
Hilldale Colony is unincorporated, so Hill 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.
Hilldale Colony is in ZIP code 59501
ZIP codes where Hilldale Colony residents live, with the share of the town in each.
| ZIP | Post office name | Share of Hilldale Colony | ZIP’s residents in Hilldale Colony |
|---|---|---|---|
| 59501 | Havre, MT | 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 Hilldale Colony
Who supplies Hilldale Colony’s drinking water, and has it had violations?
The Hilldale Colony water system (EPA ID MT0001774). 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 (Jul–Dec 2017), against a 15 ppb action level.
Who provides electricity in Hilldale Colony?
Hill County Electric Coop (Hill County Electric Coop, Inc), a cooperative utility.
What internet providers serve Hilldale Colony?
Triangle Communications (FCC, as of December 2025).
What ZIP codes are in Hilldale Colony?
59501. Census 2020 ZIP Code Tabulation Areas.
What school district is Hilldale Colony in?
Havre Elementary School District and Havre High School District.
How do I register to vote in Hilldale Colony?
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.