Living in Bull Lake, MT: what to set up and who to call
Bull Lake has no town government of its own, so Lincoln County runs its elections and most services, and its children attend Troy Elementary School District. Power in Bull Lake comes from Northern Lights, a cooperative utility rather than a private company.
I’m new in town
What to set up in Bull Lake, 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 Bull Lake.
Power comes from Northern Lights
Northern Lights (Northern Lights, Inc), a cooperative utility, serves all of Bull Lake. Its homes paid an average of 13.1¢ per kWh in 2025, about $118 a month (its average across Montana).
Start or move service: nli.coop · (208) 263-5141
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Angel Island Subdivision water system
The Angel Island Subdivision water system supplies Bull Lake: about 48% of residents live in its service area. About 52% 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 150 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 77% of the 15,074 systems serving 101–500 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2024–Dec 2026, was 0.0 ppb, below the 15 ppb action level that applied. 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 (EPA’s estimate). Violations are counted by the start of their compliance period. MT0000582.
2 home internet providers serve Bull Lake
63% of 213 addresses can get 100/20 Mbps; 63% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Ziply Fiber | Fiber, DSL | 85% | 6,000/6,000 |
| E.l. Internet Northwest | Fixed wireless | 37% | 30/7 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Bull Lake’s trash rules yet
Pickup rules, the dump and recycling in Bull Lake.
Where your child goes to school
Public school districts and the school path by grade.
Bull Lake is in two districts that split the grades: Troy Elementary School District and Troy 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
Bull Lake is unincorporated, so Lincoln County is the local government.
Election office: FVAP local election office directory, updated Jul 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Bull Lake is in ZIP code 59935
ZIP codes where Bull Lake residents live, with the share of the town in each.
| ZIP | Post office name | Share of Bull Lake | ZIP’s residents in Bull Lake |
|---|---|---|---|
| 59935 | Troy, MT | 100% | 5% |
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 Bull Lake
Who supplies Bull Lake’s drinking water, and has it had violations?
The Angel Island Subdivision water system (EPA ID MT0000582). It reported no health-based violations to EPA in the five years to October 2026; 77% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2024–Dec 2026), against a 15 ppb action level.
Who provides electricity in Bull Lake?
Northern Lights (Northern Lights, Inc), a cooperative utility. Its homes paid about 13.1¢ per kWh in 2025 (EIA).
What internet providers serve Bull Lake?
Ziply Fiber, E.l. Internet Northwest (FCC, as of December 2025).
What ZIP codes are in Bull Lake?
59935. Census 2020 ZIP Code Tabulation Areas.
What school district is Bull Lake in?
Troy Elementary School District and Troy High School District.
How do I register to vote in Bull Lake?
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 Lincoln 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.