Photo: Williamborg · Public domainLiving in Wallula, WA: what to set up and who to call
Wallula has no town government of its own, so Walla Walla County runs its elections and most services, and its children attend Columbia (Walla Walla) School District. Tap water in Wallula comes from Wallula Water District, 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 Wallula, 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 Wallula.
Power comes from Columbia Rural Elec Assn
Columbia Rural Elec Assn (Columbia Rural Elec Assn, Inc), a cooperative utility, serves all of Wallula. Its homes paid an average of 15.6¢ per kWh in 2025, about $175 a month (its average across Washington).
Start or move service: columbiarea.com · (509) 382-2578
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Wallula Water District
Wallula Water District supplies almost all of Wallula. It draws ground water and serves 200 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 2023–Dec 2025, was 0.0 ppb, below the 15 ppb action level that applied. The highest in five years was 1.0 ppb. 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. WA5392600.
4 home internet providers serve Wallula
69% of 65 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| CenturyLink | DSL | 55% | 40/3 |
| EV Holdings 1 | Fixed wireless | 100% | 500/40 |
| Columbia iConnect | Fixed wireless | 94% | 100/20 |
| T-Mobile | Fixed wireless | 72% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Wallula’s trash rules yet
Pickup rules, the dump and recycling in Wallula.
Where your child goes to school
Public school districts and the school path by grade.
Wallula is in Columbia (Walla Walla) 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
Wallula is unincorporated, so Walla Walla 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.
Wallula is in ZIP code 99363
ZIP codes where Wallula residents live, with the share of the town in each.
| ZIP | Post office name | Share of Wallula | ZIP’s residents in Wallula |
|---|---|---|---|
| 99363 | Wallula, WA | 100% | 83% |
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 Wallula
Who supplies Wallula’s drinking water, and has it had violations?
Wallula Water District (EPA ID WA5392600). 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 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Wallula?
Columbia Rural Elec Assn (Columbia Rural Elec Assn, Inc), a cooperative utility. Its homes paid about 15.6¢ per kWh in 2025 (EIA).
What internet providers serve Wallula?
CenturyLink, EV Holdings 1, Columbia iConnect, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Wallula?
99363. Census 2020 ZIP Code Tabulation Areas.
What school district is Wallula in?
Columbia (Walla Walla) School District.
How do I register to vote in Wallula?
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 Walla Walla 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.