Photo: I, the copyright holder of this work, hereby publish it under the following license: · CC BY-SA 3.0Living in Poplar, MT: what to set up and who to call
Tap water in Poplar comes from the City of Poplar water system, which has a clean five-year EPA record (about 22% of systems its size had a health-based violation) and a latest lead result below detection. Two school districts split the grades in Poplar: Poplar Elementary School District and Poplar High School District.
I’m new in town
What to set up in Poplar, 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 Poplar.
Power comes from Montana-Dakota Utilities
Montana-Dakota Utilities (Montana-Dakota Utilities Co), an investor-owned utility, serves all of Poplar. Its homes paid an average of 12.3¢ per kWh in 2025, about $95 a month (its average across Montana).
Start or move service: montana-dakota.com · (800) 638-3278
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from City of Poplar water system
The City of Poplar water system supplies almost all of Poplar. It buys treated surface water (EPA lists Assiniboine & Sioux Rural Water System as seller) and serves 3,025 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 Jan 2023–Dec 2025, 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. 083090051.
2 home internet providers serve Poplar
100% of 303 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Nemont | Fiber, DSL, Fixed wireless | 100% | 1,000/1,000 |
| T-Mobile | Fixed wireless | 9% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Poplar’s trash rules yet
Pickup rules, the dump and recycling in Poplar.
Where your child goes to school
Public school districts and the school path by grade.
Poplar is in two districts that split the grades: Poplar Elementary School District and Poplar 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.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Jan 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Poplar is in ZIP code 59255
ZIP codes where Poplar residents live, with the share of the town in each.
| ZIP | Post office name | Share of Poplar | ZIP’s residents in Poplar |
|---|---|---|---|
| 59255 | Poplar, MT | 100% | 22% |
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 Poplar
Who supplies Poplar’s drinking water, and has it had violations?
The City of Poplar water system (EPA ID 083090051). 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 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Poplar?
Montana-Dakota Utilities (Montana-Dakota Utilities Co), an investor-owned utility. Its homes paid about 12.3¢ per kWh in 2025 (EIA).
What internet providers serve Poplar?
Nemont, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Poplar?
59255. Census 2020 ZIP Code Tabulation Areas.
What school district is Poplar in?
Poplar Elementary School District and Poplar High School District.
How do I register to vote in Poplar?
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 Roosevelt 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.