Living in Tyonek, AK: what to set up and who to call
Tyonek has no town government of its own, so Kenai Peninsula Borough runs its elections and most services, and its children attend Kenai Peninsula Borough School District. Power in Tyonek comes from Chugach Electric Assn, a cooperative utility rather than a private company.
I’m new in town
What to set up in Tyonek, 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 Tyonek.
Power comes from Chugach Electric Assn
Chugach Electric Assn (Chugach Electric Assn Inc), a cooperative utility, serves all of Tyonek. Its homes paid an average of 23.0¢ per kWh in 2025, about $113 a month (its average across Alaska).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Tyonek Water System
Tyonek Water System supplies Tyonek: about 38% of residents live in its service area. About 62% 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 206 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–Dec 2025, was 4.9 ppb, below the 15 ppb action level that applied. That’s higher than 90% 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. AK2240472.
Which providers serve Tyonek
This card will list the home internet providers the FCC’s National Broadband Map shows in Tyonek, 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 Tyonek’s trash rules yet
Pickup rules, the dump and recycling in Tyonek.
Where your child goes to school
Public school districts and the school path by grade.
Tyonek is in Kenai Peninsula Borough 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
Tyonek is unincorporated, so Kenai Peninsula Borough is the local government.
Election office: FVAP local election office directory, updated Jun 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 30, 2026.
Tyonek is in ZIP code 99682
ZIP codes where Tyonek residents live, with the share of the town in each.
| ZIP | Post office name | Share of Tyonek | ZIP’s residents in Tyonek |
|---|---|---|---|
| 99682 | Tyonek, AK | 99% | 82% |
A few homes fall in 99635.
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 Tyonek
Who supplies Tyonek’s drinking water, and has it had violations?
Tyonek Water System (EPA ID AK2240472). 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 4.9 ppb (Jan–Dec 2025), against a 15 ppb action level.
Who provides electricity in Tyonek?
Chugach Electric Assn (Chugach Electric Assn Inc), a cooperative utility. Its homes paid about 23.0¢ per kWh in 2025 (EIA).
What ZIP codes are in Tyonek?
99682. Census 2020 ZIP Code Tabulation Areas.
What school district is Tyonek in?
Kenai Peninsula Borough School District.
How do I register to vote in Tyonek?
In Alaska you can register online until 30 days before Election Day, in person until 30 days before Election Day, or by mail (received 30 days before). Elections here are run by the Absentee and Petition Office. Check your registration at myvoterportal.alaska.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 30, 2026 (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.