Wynoochee
Dam in Grays Harbor County, Washington · Wynoochee River · forms Wynoochee Lake
Height
175 ft
53 m (NID height)
Length
1,700 ft
518 m
Completed
1972
Wynoochee Lake today
730.91 ft
7 days ▼ 3.24 ft
Normal storage
69,405 acre-ft
Much below normal for the date
Reservoir level measured Oct 23, 2026, 11:45 AM PDT. Full level page →
Facts
- Purposes
- Water Supply; Fish and Wildlife Pond; Recreation; Hydroelectric; Flood Risk Reduction
- Dam type
- Gravity
- Structural height
- 175 ft
- Owner
- City of Aberdeen (Local Government)
- Maximum storage
- 76,000 acre-ft
- Surface area
- 1,126 acres
- Hydraulic height
- 170 ft
- Drainage area
- 41 sq mi
- Spillway
- Controlled
- Army Corps district
- Seattle District
- NID ID
- WA00302
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Aug 26, 2026. Search NID ID WA00302 at nid.sec.usace.army.mil. Project website.