Special district · Washington State
Sammamish Plateau Water and Sewer District — Sewer District, King County WA
Sammamish Plateau Water and Sewer District is a sewer district in King county, Washington. It provides sewer service.
01
About this district
It provides sewer service.
| Type | Sewer District |
|---|---|
| County | King |
| Voting precincts | 82 |
| Official name | SAMMAMISH PLATEAU WATER AND SEWER DISTRICT |
| State district code | SEW170008 |
Source WA Secretary of State district and precinct files · as of 2026-08-12 · district record
02
Recent elections
Election records the state publishes for this district. Board members are elected in odd-numbered years.
| Year | Candidate | Votes | Result |
|---|---|---|---|
| 2025 | Ryika Hooshangi | 12,149 | Won, unopposed |
| 2023 | Lloyd Warren | 9,573 | Won, unopposed |
| 2023 | Tom Harman | 9,559 | Won, unopposed |
| 2021 | Mary Shustov | 11,300 | Won, unopposed |
| 2021 | Nav Otal | 11,132 | Won |
| 2021 | Anh Vo | 2,931 | — |
| 2019 | Ryika Hooshangi | 12,019 | Won, unopposed |
5 of the 6 races on record here drew no opponent. An unopposed race still appears on the ballot and still has to be certified. It is ordinary for special districts rather than a sign of anything.
Source WA Secretary of State election results · as of 2026-08-12 · 6 races on record
03
Other districts in King County
See every special district in King County — fire, school, water, port, hospital, cemetery and park districts, and which of them share a number.
04
Common questions
What is Sammamish Plateau Water and Sewer District?
A sewer district in King county, Washington, governed by an elected board of commissioners or directors. It provides sewer service.
Who runs Sammamish Plateau Water and Sewer District?
Recent elected officials include Ryika Hooshangi, Lloyd Warren, Tom Harman.
05
What this page will not compute
Each of these is a number a reader might reasonably expect. None of them follow from the records we hold, so we do not publish them.
- What it levies, or spends
- Special districts set their own levies and budgets, and those filings are held by each county assessor rather than in any state-wide dataset. Nothing here is a financial figure.
- Who currently sits on the board
- We show election records where a district name matched one, which is 54% of them. A matched election tells you who won that race, not who holds the seat today — boards fill vacancies by appointment between elections, and those appointments are not published centrally.
- Where its boundary runs
- The register gives a precinct count, not a shape. Two districts of the same type in one county can be adjacent or nowhere near each other, and this page cannot tell you which.
Cite this page
This is public-records reporting. Use it, and say where it came from.
“Sammamish Plateau Water and Sewer District — Sewer District, King County WA,” WashingtonIndependents.org, data as of 2026-08-12, accessed 2026-08-30. https://washingtonindependents.org/district/king-sewer-sammamish-plateau-water-and-sewer-district/
06
Where this page comes from
Every figure above is read from a primary source and rebuilt on a schedule. Nothing here is modelled or inferred; where a source is silent the page says so rather than filling the gap.
- WA Secretary of State — district and precinct files
- https://www.sos.wa.gov/elections/
- WA Secretary of State — election results
- https://www.sos.wa.gov/elections/results.aspx