Wynoochee Lake Water Level Today
Washington · near Aberdeen · Well below full pool
- Elevation
- 742.17 ft
- From full pool
- −57.83 ft
- Percent of pool
- 0.0%
- 24-hour change
- −0.42 ft
- 7-day change
- −2.75 ft
- Reading
- Sep 21, 2026 · USACE
Last year at Wynoochee Lake
Wynoochee Lake is 57.83 ft below full pool, at 742.17 ft, down 0.42 ft in the last 24 hours. That puts the lake at 0.0 percent of its conservation pool. The top of the flood pool is 57.8 ft higher, at 800.00 ft.
Over the last 7 days the level fell 2.75 ft, and over 30 days it fell 10.74 ft. In the 397 days of readings on this page the high was 801.68 ft on Feb 17, 2026 and the low was 738.56 ft on Oct 24, 2025, a range of 63.12 ft.
The reading is the U.S. Army Corps of Engineers gauge at Wynoochee Dam, near Aberdeen, taken Sep 21, 2026 and referenced to the NGVD29 datum. This page is rebuilt once a day from the agency feed; it is not a live gauge, so during a fast rise or a scheduled release check the USACE page for hourly values.
Wynoochee Lake pool elevations
| Current elevation | 742.17 ft |
|---|---|
| Full pool (top of conservation) | 800.00 ft |
| Top of flood pool | 800.00 ft |
| Bottom of conservation pool | 760.00 ft |
| Top of dam | 805.00 ft |
| Inflow | 54 cfs |
| Outflow | 197 cfs |
| 30-day change | −10.74 ft |
| 1-year high | 801.68 ft (Feb 17, 2026) |
| 1-year low | 738.56 ft (Oct 24, 2025) |
| Vertical datum | NGVD29 |
| Operating agency | U.S. Army Corps of Engineers, NWS district |
Source: U.S. Army Corps of Engineers. Read what full pool and flood pool mean.
More lakes in Washington
- Lake Roosevelt 1,283.60 ft, −6.40 ft from full
- Baker Lake 722.05 ft, +10.49 ft from full
- Howard A Hanson Lake 1,146.65 ft, −20.35 ft from full
- Lake Entiat 705.65 ft, −1.35 ft from full
- Lake Pateros 777.87 ft, −3.13 ft from full
- Little Goose Lake 636.63 ft, −1.37 ft from full
Wynoochee Lake level questions
What is the water level of Wynoochee Lake today?
Wynoochee Lake is at 742.17 ft as of Sep 21, 2026, −57.83 ft relative to full pool (800.00 ft). The 24-hour change is −0.42 ft.
What is full pool at Wynoochee Lake?
Full pool, the top of the conservation pool, is 800.00 ft (NGVD29). Above that, water is stored temporarily in the flood pool up to 800.00 ft. The bottom of the conservation pool is 760.00 ft.
Is Wynoochee Lake rising or falling?
Over the last 24 hours the level is −0.42 ft; over 7 days it fell 2.75 ft, and over 30 days it fell 10.74 ft.
Where does this Wynoochee Lake level come from?
From the U.S. Army Corps of Engineers (USACE) public data feed for Wynoochee Dam. Lake Levels Today republishes the agency's daily value without adjustment and links to the source below.