Chelan
Dam in Chelan County, Washington · Chelan River · forms Lake Chelan (Res)
Height
66 ft
20 m (NID height)
Length
490 ft
149 m
Completed
1927
Lake Chelan (Res) today
1,094.65 ft
7 days ▼ 0.97 ft
Normal storage
676,100 acre-ft
Much below normal for the date
Reservoir level measured Oct 23, 2026, 12:00 AM PDT. Full level page →
Facts
- Purposes
- Hydroelectric; Flood Risk Reduction
- Dam type
- Gravity
- Structural height
- 66 ft
- Owner
- PUD #1 of Chelan County, WA (Public Utility)
- Maximum storage
- 676,100 acre-ft
- Surface area
- 32,980 acres
- Hydraulic height
- 57 ft
- Drainage area
- 952 sq mi
- Spillway
- Controlled
- Army Corps district
- Seattle District
- Also known as
- Lake Chelan (Res)
- NID ID
- WA00004
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Aug 26, 2026. Search NID ID WA00004 at nid.sec.usace.army.mil. Project website.