Photo: Dicklyon · CC BY-SA 4.0Living in Hat Island, WA: what to set up and who to call
Hat Island has no town government of its own, so Snohomish County runs its elections and most services, and its children attend Mukilteo School District. Tap water in Hat Island comes from the Hat Island Community Inc water system, which has a clean five-year EPA record (about 23% of systems its size had a health-based violation) and a latest lead result below detection.
I’m new in town
What to set up in Hat Island, 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 Hat Island.
Power comes from PUD No 1 of Snohomish County
PUD No 1 of Snohomish County (PUD No 1 of Snohomish County - (WA)), a political subdivision utility, serves all of Hat Island. Its homes paid an average of 12.1¢ per kWh in 2025, about $113 a month (its average across Washington).
Start or move service: snopud.com · (425) 783-1000
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Hat Island Community Inc water system
The Hat Island Community Inc water system supplies almost all of Hat Island. It draws surface water and serves 348 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 2021–Dec 2023, 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. Violations are counted by the start of their compliance period. WA5331593.
2 home internet providers serve Hat Island
0% of 259 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Whidbey Telephone Comp | DSL | 89% | 25/3 |
| T-Mobile | Fixed wireless | 10% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Hat Island’s trash rules yet
Pickup rules, the dump and recycling in Hat Island.
Where your child goes to school
Public school districts and the school path by grade.
Hat Island is in Mukilteo 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
Hat Island is unincorporated, so Snohomish County is the local government.
Election office: FVAP local election office directory, updated Sep 2022; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 30, 2026.
Hat Island is in ZIP code 98201
ZIP codes where Hat Island residents live, with the share of the town in each.
| ZIP | Post office name | Share of Hat Island | ZIP’s residents in Hat Island |
|---|---|---|---|
| 98201 | Everett, WA | 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 Hat Island
Who supplies Hat Island’s drinking water, and has it had violations?
The Hat Island Community Inc water system (EPA ID WA5331593). 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 0.0 ppb (Jan 2021–Dec 2023), against a 15 ppb action level.
Who provides electricity in Hat Island?
PUD No 1 of Snohomish County (PUD No 1 of Snohomish County - (WA)), a political subdivision utility. Its homes paid about 12.1¢ per kWh in 2025 (EIA).
What internet providers serve Hat Island?
Whidbey Telephone Comp, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Hat Island?
98201. Census 2020 ZIP Code Tabulation Areas.
What school district is Hat Island in?
Mukilteo School District.
How do I register to vote in Hat Island?
In Washington you can register online until 8 days before Election Day, in person up to and including Election Day, or by mail (received 8 days before). Elections here are run by the Snohomish County Auditor. Check your registration at voter.votewa.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 National Broadband Map, as of December 2025.