Living in Clancy, MT: what to set up and who to call
Clancy has no town government of its own, so Jefferson County runs its elections and most services, and its children attend Jefferson High School District. Forest Park Water Users Association has a clean five-year EPA record, but its latest lead result, 15.0 ppb, was higher than 99% of similar systems’ (the action level is 15).
I’m new in town
What to set up in Clancy, 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 Clancy.
Power comes from NorthWestern Energy
NorthWestern Energy (NorthWestern Energy LLC - (MT)), an investor-owned utility, serves all of Clancy. 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 Forest Park Water Users Association
Forest Park Water Users Association supplies Clancy: about 35% of residents live in its service area. About 63% 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 323 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 2022–Dec 2024, was 15.0 ppb, below the 15 ppb action level that applied. That’s higher than 99% 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. MT0000591.
4 home internet providers serve Clancy
90% of 761 addresses can get 100/20 Mbps; 13% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 86% | 1,000/1,000 |
| CenturyLink | DSL | 23% | 40/3 |
| Verizon | Fixed wireless | 73% | 300/20 |
| The Montana Internet | Fixed wireless | 8% | 10/1 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Clancy’s trash rules yet
Pickup rules, the dump and recycling in Clancy.
Where your child goes to school
Public school districts and the school path by grade.
Clancy is in two districts that split the grades: Jefferson High School District and Clancy Elementary School District.
ASchool 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
Clancy is unincorporated, so Jefferson County is the local government.
Election office: FVAP local election office directory, updated Sep 2021; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Clancy spans 2 ZIP codes
ZIP codes where Clancy residents live, with the share of the town in each.
| ZIP | Post office name | Share of Clancy | ZIP’s residents in Clancy |
|---|---|---|---|
| 59634 | Clancy, MT | 93% | 32% |
| 59638 | Jefferson City, MT | 7% | 17% |
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 Clancy
Who supplies Clancy’s drinking water, and has it had violations?
Forest Park Water Users Association (EPA ID MT0000591). 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 15.0 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Clancy?
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 Clancy?
Spectrum, CenturyLink, Verizon, The Montana Internet (FCC, as of December 2025).
What ZIP codes are in Clancy?
59634 (93%), 59638 (7%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Clancy in?
Jefferson High School District and Clancy Elementary School District. Parts of the city are in Montana City Elementary School District.
How do I register to vote in Clancy?
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 Jefferson 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.