Photo: A.Davey from Portland, Oregon, EE UU · CC BY 2.0Living in Elk River, ID: what to set up and who to call
The City of Elk River water system has a clean five-year EPA record, but its latest lead result, 8.7 ppb, was higher than 96% of similar systems’ (the action level is 15). The ER is a drive from Elk River: the closest is Clearwater Valley Hospital & Clinics, 20.9 miles away.
I’m new in town
What to set up in Elk River, 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 Elk River.
Power comes from Avista
Avista (Avista Corp.), an investor-owned utility, serves all of Elk River. 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 Elk River water system
The City of Elk River water system supplies Elk River: about 94% of residents live in its service area. About 6% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws surface water and serves 165 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 2026–Dec 2028, was 8.7 ppb, below the 15 ppb action level that applied. The highest in five years was 9.0 ppb. That’s higher than 96% 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. ID2180013.
Which providers serve Elk River
This card will list the home internet providers the FCC’s National Broadband Map shows in Elk River, the share of addresses that can get 100/20 Mbps and the share with fiber, with the map’s “as of” date.
Source to come: FCC Broadband Data Collection.
We don’t have Elk River’s trash rules yet
Pickup rules, the dump and recycling in Elk River.
Where your child goes to school
Public school districts and the school path by grade.
Elk River is in Whitepine Joint School District 288.
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.
Elk River is in ZIP code 83827
ZIP codes where Elk River residents live, with the share of the town in each.
| ZIP | Post office name | Share of Elk River | ZIP’s residents in Elk River |
|---|---|---|---|
| 83827 | Elk River, ID | 100% | 85% |
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 Elk River
Who supplies Elk River’s drinking water, and has it had violations?
The City of Elk River water system (EPA ID ID2180013). 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 8.7 ppb (Jan 2026–Dec 2028), against a 15 ppb action level.
Who provides electricity in Elk River?
Avista (Avista Corp.), an investor-owned utility. Its homes paid about 11.8¢ per kWh in 2025 (EIA).
What ZIP codes are in Elk River?
83827. Census 2020 ZIP Code Tabulation Areas.
What school district is Elk River in?
Whitepine Joint School District 288.
How do I register to vote in Elk River?
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 Clearwater 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): pending.