Wells
Dam in Chelan County, Washington · Columbia River · forms Wells Lake
Height
160 ft
49 m (NID height)
Length
4,300 ft
1,311 m
Completed
1968
Wells Lake today
776.42 ft
7 days ▼ 1.11 ft
Normal storage
331,000 acre-ft
Much below normal for the date
Reservoir level measured Oct 23, 2026, 12:00 AM PDT. Full level page →
Facts
- Purposes
- Hydroelectric; Irrigation; Fish and Wildlife Pond; Recreation
- Dam type
- Gravity
- Structural height
- 160 ft
- Owner
- PUD #1 of Douglas County (Public Utility)
- Maximum storage
- 500,000 acre-ft
- Surface area
- 9,700 acres
- Hydraulic height
- 144 ft
- Drainage area
- 85,300 sq mi
- Spillway
- Controlled, 506 ft wide
- Army Corps district
- Seattle District
- NID ID
- WA00098
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Sep 30, 2026. Search NID ID WA00098 at nid.sec.usace.army.mil. Project website.