Living in Kerr, MT: what to set up and who to call
Kerr has no town government of its own, so Lake County runs its elections and most services, and its children attend Polson Elementary School District. The closest public drop-off to Kerr is Lake County Transfer Center, 4 miles out; the town decides whether residents may use it.
I’m new in town
What to set up in Kerr, 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 Kerr.
Power comes from NorthWestern Energy
NorthWestern Energy (NorthWestern Energy LLC - (MT)), an investor-owned utility, serves all of Kerr. 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 Overlook Subdivision water system
The Overlook Subdivision water system supplies almost all of Kerr. It draws ground water and serves 49 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 Jan 2015–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 (EPA’s estimate). Violations are counted by the start of their compliance period. MT0003792.
5 home internet providers serve Kerr
66% of 116 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable | 59% | 1,000/1,000 |
| CenturyLink | DSL | 40% | 10/1 |
| WesternMontanaCommunityTel | Fixed wireless | 100% | 25/10 |
| Verizon | Fixed wireless | 14% | 300/20 |
| AT&T | Fixed wireless | 9% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
The nearest public drop-off is 4 miles away
Pickup rules, the dump and recycling in Kerr.
Lake County Transfer Center
This isn’t Kerr’s own facility. Whether Kerr residents may use it is the town’s rule: check the town’s office.
OpenStreetMap, as of Oct 9, 2026. © OpenStreetMap contributors.
Where your child goes to school
Public school districts and the school path by grade.
Kerr is in two districts that split the grades: Polson Elementary School District and Polson 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
Kerr is unincorporated, so Lake County is the local government.
Election office: FVAP local election office directory, updated Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Kerr is in ZIP code 59860
ZIP codes where Kerr residents live, with the share of the town in each.
| ZIP | Post office name | Share of Kerr | ZIP’s residents in Kerr |
|---|---|---|---|
| 59860 | Polson, MT | 100% | 2% |
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 Kerr
Who supplies Kerr’s drinking water, and has it had violations?
The Overlook Subdivision water system (EPA ID MT0003792). 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 (Jan 2015–Dec 2017), against a 15 ppb action level.
Who provides electricity in Kerr?
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 Kerr?
Spectrum, CenturyLink, WesternMontanaCommunityTel, Verizon, AT&T (FCC, as of December 2025).
What ZIP codes are in Kerr?
59860. Census 2020 ZIP Code Tabulation Areas.
What school district is Kerr in?
Polson Elementary School District and Polson High School District.
How do I register to vote in Kerr?
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 Lake 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.