Anderson Island School · Photo: Ben Cody · Public domainLiving in Anderson Island, WA: what to set up and who to call
Anderson Island has no town government of its own, so Pierce County runs its elections and most services, and its children attend Steilacoom Historical School District. Power in Anderson Island comes from Peninsula Light Company, a cooperative utility rather than a private company.
I’m new in town
What to set up in Anderson 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 Anderson Island.
Power comes from Peninsula Light Company
Peninsula Light Company (Peninsula Light Company), a cooperative utility, serves all of Anderson Island. Its homes paid an average of 11.3¢ per kWh in 2025, about $138 a month (its average across Washington).
Start or move service: www.penlight.org · (253) 857-5950
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Lake Josephine Riviera water system
The Lake Josephine Riviera water system supplies Anderson Island: about 86% of residents live in its service area. About 14% 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 1,380 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 2022–Dec 2024, was 2.6 ppb, below the 15 ppb action level that applied. That’s higher than 79% 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. WA5343980.
Which providers serve Anderson Island
This card will list the home internet providers the FCC’s National Broadband Map shows in Anderson Island, 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 Anderson Island’s trash rules yet
Pickup rules, the dump and recycling in Anderson Island.
Where your child goes to school
Public school districts and the school path by grade.
Anderson Island is in Steilacoom Historical School District.
A−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
Anderson Island is unincorporated, so Pierce County is the local government.
Election office: FVAP local election office directory, updated Sep 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 30, 2026.
Anderson Island is in ZIP code 98303
ZIP codes where Anderson Island residents live, with the share of the town in each.
| ZIP | Post office name | Share of Anderson Island | ZIP’s residents in Anderson Island |
|---|---|---|---|
| 98303 | Anderson Island, WA | 100% | 100% |
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 Anderson Island
Who supplies Anderson Island’s drinking water, and has it had violations?
The Lake Josephine Riviera water system (EPA ID WA5343980). 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 2.6 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Anderson Island?
Peninsula Light Company (Peninsula Light Company), a cooperative utility. Its homes paid about 11.3¢ per kWh in 2025 (EIA).
What ZIP codes are in Anderson Island?
98303. Census 2020 ZIP Code Tabulation Areas.
What school district is Anderson Island in?
Steilacoom Historical School District.
How do I register to vote in Anderson 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 Pierce 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): pending.