Photo: Howpper · CC BY-SA 3.0Living in State Line, ID: what to set up and who to call
The closest public drop-off to State Line is Prairie Solid Waste Transfer Station, 3 miles out; the town decides whether residents may use it. Only 56% of addresses in State Line can get a wired internet connection, by the FCC’s map.
I’m new in town
What to set up in State Line, 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 State Line.
Power comes from Avista
Avista (Avista Corp.), an investor-owned utility, serves all of State Line. Its homes paid an average of 11.8¢ per kWh in 2025, about $107 a month (its average across Idaho).
Start or move service: avistacorp.com · (509) 489-0500
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from City of Post Falls water system
The City of Post Falls water system supplies State Line: about 0% of residents live in its service area. About 100% 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 20,285 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 83% of the 3,525 systems serving 10,001–50,000 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 59% 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. Violations are counted by the start of their compliance period. ID1280147.
6 home internet providers serve State Line
64% of 34 addresses can get 100/20 Mbps; 19% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Ziply Fiber | Fixed wireless, Fiber | 100% | 6,000/6,000 |
| Spectrum | Cable | 41% | 1,000/1,000 |
| Intermax Networks | Fixed wireless | 100% | 100/10 |
| Wind Wireless | Fixed wireless | 100% | 100/20 |
| Wired or Wireless | Fixed wireless | 100% | 200/40 |
| T-Mobile | Fixed wireless | 18% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
The nearest public drop-off is 3 miles away
Pickup rules, the dump and recycling in State Line.
Prairie Solid Waste Transfer Station
15580 West Prairie Avenue, ID
This isn’t State Line’s own facility. Whether State Line 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.
State Line is in Post Falls School District 273.
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 Aug 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
State Line is in ZIP code 83854
ZIP codes where State Line residents live, with the share of the town in each.
| ZIP | Post office name | Share of State Line | ZIP’s residents in State Line |
|---|---|---|---|
| 83854 | Post Falls, ID | 100% | 0% |
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 State Line
Who supplies State Line’s drinking water, and has it had violations?
The City of Post Falls water system (EPA ID ID1280147). It reported no health-based violations to EPA in the five years to October 2026; 83% 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 State Line?
Avista (Avista Corp.), an investor-owned utility. Its homes paid about 11.8¢ per kWh in 2025 (EIA).
What internet providers serve State Line?
Ziply Fiber, Spectrum, Intermax Networks, Wind Wireless, Wired or Wireless, T-Mobile (FCC, as of December 2025).
What ZIP codes are in State Line?
83854. Census 2020 ZIP Code Tabulation Areas.
What school district is State Line in?
Post Falls School District 273.
How do I register to vote in State Line?
In Idaho you can register online until 11 days before Election Day, in person up to and including Election Day, or by mail (received 11 days before). Elections here are run by the Kootenai County Clerk. Check your registration at elections.sos.idaho.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 Sep 12, 2025 (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.