Living in Helena Valley Southeast, MT: what to set up and who to call
Helena Valley Southeast has no town government of its own, so Lewis and Clark County runs its elections and most services, and its children attend Helena High School District. For home internet, most of Helena Valley Southeast can choose between Spectrum and The Montana Internet.
I’m new in town
What to set up in Helena Valley Southeast, 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 Helena Valley Southeast.
Power comes from NorthWestern Energy
NorthWestern Energy (NorthWestern Energy LLC - (MT)), an investor-owned utility, serves 97.9% of Helena Valley Southeast residents. 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 Eastgate Village Sewer and Water
Eastgate Village Sewer and Water supplies Helena Valley Southeast: about 20% of residents live in its service area. Helena Water System serves another 14%. Helena Leisure LLC serves another 11%. Homestead Valley Wua Hvha serves another 6%. About 33% 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 2,000 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 1.0 ppb, below the 15 ppb action level that applied. That’s lower than 52% 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. MT0001784.
7 home internet providers serve Helena Valley Southeast
98% of 3,511 addresses can get 100/20 Mbps; 11% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 96% | 1,000/1,000 |
| The Montana Internet | Fixed wireless, Fiber | 95% | 500/50 |
| CenturyLink | DSL, Fiber | 21% | 40/3 |
| Quantum Fiber | Fiber | 3% | 2,000/1,000 |
| Verizon | Fixed wireless | 85% | 300/20 |
| T-Mobile | Fixed wireless | 6% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Helena Valley Southeast’s trash rules yet
Pickup rules, the dump and recycling in Helena Valley Southeast.
Where your child goes to school
Public school districts and the school path by grade.
Helena Valley Southeast is in two districts that split the grades: Helena High School District and East Helena K-12.
B+School 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
Helena Valley Southeast is unincorporated, so Lewis and Clark County is the local government.
Election office: FVAP local election office directory, updated Jun 2021; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Helena Valley Southeast spans 2 ZIP codes
ZIP codes where Helena Valley Southeast residents live, with the share of the town in each.
| ZIP | Post office name | Share of Helena Valley Southeast | ZIP’s residents in Helena Valley Southeast |
|---|---|---|---|
| 59602 | Helena, MT | 53% | 16% |
| 59635 | East Helena, MT | 47% | 56% |
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 Helena Valley Southeast
Who supplies Helena Valley Southeast’s drinking water, and has it had violations?
Eastgate Village Sewer and Water (EPA ID MT0001784). 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 1.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Helena Valley Southeast?
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 Helena Valley Southeast?
Spectrum, The Montana Internet, CenturyLink, Quantum Fiber, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Helena Valley Southeast?
59602 (53%), 59635 (47%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Helena Valley Southeast in?
Helena High School District and East Helena K-12. Parts of the city are in Helena Elementary School District.
How do I register to vote in Helena Valley Southeast?
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 Lewis and Clark 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.