Dworshak Dam
Dam in Clearwater County, Idaho · North Fork Clearwater River · forms Dworshak Reservoir
Height
717 ft
219 m (NID height)
Length
3,287 ft
1,002 m
Completed
1973
Dworshak Reservoir today
1,515.88 ft
7 days ▼ 1.13 ft
Normal storage
3,468,000 acre-ft
Below normal for the date
Reservoir level measured Oct 23, 2026, 1:00 AM MDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Navigation; Fish and Wildlife Pond; Recreation; Hydroelectric; Water Supply
- Dam type
- Concrete
- Structural height
- 717 ft
- Owner
- USACE - Walla Walla District (Federal)
- Maximum storage
- 3,560,000 acre-ft
- Surface area
- 17,090 acres
- Hydraulic height
- 633 ft
- Drainage area
- 2,440 sq mi
- Spillway
- Controlled, 100 ft wide
- Army Corps district
- Walla Walla District
- Also known as
- Dworkshak Reservoir
- NID ID
- ID00287
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Aug 24, 2026. Search NID ID ID00287 at nid.sec.usace.army.mil. Project website.