Living in Camp Three, MT: what to set up and who to call
Camp Three has no town government of its own, so Musselshell County runs its elections and most services, and its children attend Roundup Elementary School District. For a library card, the closest branch is Roundup School-Community Library, 1.2 miles out.
I’m new in town
What to set up in Camp Three, 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 Camp Three.
Power comes from NorthWestern Energy
NorthWestern Energy (NorthWestern Energy LLC - (MT)), an investor-owned utility, serves all of Camp Three. Its homes paid an average of 14.4¢ per kWh in 2025, about $102 a month (its average across Montana, for customers on its standard service). Montana lets you buy power from another supplier; 0% of NorthWestern Energy’s home customers do, and NorthWestern Energy still delivers it.
Start or move service: northwesternenergy.com · (888) 467-2669
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Roundup Water Department
Roundup Water Department supplies Camp Three: about 31% of residents live in its service area. About 69% 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 Cmrwa Musselshell Judith Rural Water Sys as seller) and serves 1,900 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 Jul–Dec 2026, was 3.0 ppb, below the 15 ppb action level that applied. The highest in five years was 41.0 ppb. That’s higher than 82% 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. MT0000321.
3 home internet providers serve Camp Three
96% of 129 addresses can get 100/20 Mbps; 90% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Mid-Rivers Communications | Fiber | 89% | 1,000/1,000 |
| Verizon | Fixed wireless | 81% | 300/20 |
| T-Mobile | Fixed wireless | 9% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Camp Three’s trash rules yet
Pickup rules, the dump and recycling in Camp Three.
Where your child goes to school
Public school districts and the school path by grade.
Camp Three is in two districts that split the grades: Roundup Elementary School District and Roundup 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
Camp Three is unincorporated, so Musselshell County is the local government.
Election office: FVAP local election office directory, updated Aug 2015; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Camp Three is in ZIP code 59072
ZIP codes where Camp Three residents live, with the share of the town in each.
| ZIP | Post office name | Share of Camp Three | ZIP’s residents in Camp Three |
|---|---|---|---|
| 59072 | Roundup, MT | 100% | 3% |
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 Camp Three
Who supplies Camp Three’s drinking water, and has it had violations?
Roundup Water Department (EPA ID MT0000321). 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 3.0 ppb (Jul–Dec 2026), against a 15 ppb action level.
Who provides electricity in Camp Three?
NorthWestern Energy (NorthWestern Energy LLC - (MT)), an investor-owned utility. Its homes paid about 14.4¢ per kWh in 2025 (EIA).
What internet providers serve Camp Three?
Mid-Rivers Communications, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Camp Three?
59072. Census 2020 ZIP Code Tabulation Areas.
What school district is Camp Three in?
Roundup Elementary School District and Roundup High School District.
How do I register to vote in Camp Three?
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 Musselshell 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.