Little Bighorn Battlefield National Monument · Photo: 1025wil · CC BY-SA 3.0Living in Crow Agency, MT: what to set up and who to call
An EPA health-based violation from 2025 is still open for Crow Agency Water System. Crow Agency has no town government of its own, so Big Horn County runs its elections and most services, and its children attend Hardin Elementary School District.
I’m new in town
What to set up in Crow Agency, 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 Crow Agency.
Power comes from Big Horn County Elec Coop
Big Horn County Elec Coop (Big Horn County Elec Coop, Inc), a cooperative utility, serves all of Crow Agency.
Start or move service: www.bhcec.com · (406) 665-2830
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Crow Agency Water System
Crow Agency Water System supplies Crow Agency: about 96% of residents live in its service area. About 4% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws surface water and serves 2,057 people in all.
2 health-based violations reported to EPA in the five years to October 2026: a groundwater treatment requirement (Groundwater Rule) ×2, the latest beginning Oct 2025. 78% of the 7,966 systems serving 1,001–3,300 people had none. 2 older violations are still open, since 2025: a groundwater treatment requirement (Groundwater Rule), per EPA’s records.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2022–Dec 2024, was 1.0 ppb, below the 15 ppb action level that applied. That’s lower than 52% 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. 083090011.
3 home internet providers serve Crow Agency
100% of 485 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Nemont | Fiber | 100% | 1,000/1,000 |
| Verizon | Fixed wireless | 54% | 300/20 |
| T-Mobile | Fixed wireless | 42% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Crow Agency’s trash rules yet
Pickup rules, the dump and recycling in Crow Agency.
Where your child goes to school
Public school districts and the school path by grade.
Crow Agency is in two districts that split the grades: Hardin Elementary School District and Hardin High School District.
DSchool 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
Crow Agency is unincorporated, so Big Horn County is the local government.
Election office: FVAP local election office directory, updated Jun 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Crow Agency is in ZIP code 59022
ZIP codes where Crow Agency residents live, with the share of the town in each.
| ZIP | Post office name | Share of Crow Agency | ZIP’s residents in Crow Agency |
|---|---|---|---|
| 59022 | Crow Agency, MT | 100% | 89% |
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 Crow Agency
Who supplies Crow Agency’s drinking water, and has it had violations?
Crow Agency Water System (EPA ID 083090011). It reported 2 health-based violations to EPA in the five years to October 2026: a groundwater treatment requirement (Groundwater Rule) ×2. 78% of systems its size had none. Its latest lead 90th percentile was 1.0 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Crow Agency?
Big Horn County Elec Coop (Big Horn County Elec Coop, Inc), a cooperative utility.
What internet providers serve Crow Agency?
Nemont, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Crow Agency?
59022. Census 2020 ZIP Code Tabulation Areas.
What school district is Crow Agency in?
Hardin Elementary School District and Hardin High School District.
How do I register to vote in Crow Agency?
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 Big Horn 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.