Photo: OlympiaBuebird · CC BY-SA 4.0Living in Onalaska, WA: what to set up and who to call
Onalaska has no town government of its own, so Lewis County runs its elections and most services, and its children attend Onalaska School District. Tap water in Onalaska comes from Lewis Co Water Dist #2, which has a clean five-year EPA record (about 22% 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 Onalaska, 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 Onalaska.
Power comes from PUD No 1 of Lewis County
PUD No 1 of Lewis County (PUD No 1 of Lewis County - (WA)), a political subdivision utility, serves all of Onalaska. Its homes paid an average of 10.1¢ per kWh in 2025, about $141 a month (its average across Washington).
Start or move service: lcpud.org · (360) 740-2412
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Lewis Co Water Dist #2
Lewis Co Water Dist #2 supplies Onalaska: 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 ground water and serves 1,983 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 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. WA5347001.
3 home internet providers serve Onalaska
89% of 291 addresses can get 100/20 Mbps; 86% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Astound Broadband | Fiber, DSL | 87% | 2,000/2,000 |
| TDS Telecom | DSL | 15% | 50/10 |
| T-Mobile | Fixed wireless | 61% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Onalaska’s trash rules yet
Pickup rules, the dump and recycling in Onalaska.
Where your child goes to school
Public school districts and the school path by grade.
Onalaska is in Onalaska 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
Onalaska is unincorporated, so Lewis County is the local government.
Election office: FVAP local election office directory, updated Apr 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 30, 2026.
Onalaska spans 2 ZIP codes
ZIP codes where Onalaska residents live, with the share of the town in each.
| ZIP | Post office name | Share of Onalaska | ZIP’s residents in Onalaska |
|---|---|---|---|
| 98570 | Onalaska, WA | 95% | 14% |
| 98532 | Chehalis, WA | 5% | 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 Onalaska
Who supplies Onalaska’s drinking water, and has it had violations?
Lewis Co Water Dist #2 (EPA ID WA5347001). 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 0.0 ppb (Jan 2021–Dec 2023), against a 15 ppb action level.
Who provides electricity in Onalaska?
PUD No 1 of Lewis County (PUD No 1 of Lewis County - (WA)), a political subdivision utility. Its homes paid about 10.1¢ per kWh in 2025 (EIA).
What internet providers serve Onalaska?
Astound Broadband, TDS Telecom, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Onalaska?
98570 (95%), 98532 (5%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Onalaska in?
Onalaska School District.
How do I register to vote in Onalaska?
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 Lewis 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.