Cascade Dam
Dam in Valley County, Idaho · North Fork Payette River Payette River · forms Lake Cascade
Height
110 ft
34 m (NID height)
Length
785 ft
239 m
Completed
1948
Lake Cascade today
4,815.48 ft
7 days ▲ 0.02 ft
Reservoir level measured Oct 21, 2026, 12:00 AM MDT. Full level page →
Facts
- Purposes
- Hydroelectric; Irrigation
- Dam type
- Rockfill
- Structural height
- 107 ft
- Owner
- BUREAU OF RECLAMATION (Federal)
- Maximum storage
- 693,200 acre-ft
- Surface area
- 27,700 acres
- Hydraulic height
- 69 ft
- Drainage area
- 615 sq mi
- Spillway
- Controlled, 42 ft wide
- Army Corps district
- Walla Walla District
- Also known as
- Lake Cascade
- NID ID
- ID00283
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 6, 2026. Search NID ID ID00283 at nid.sec.usace.army.mil. Project website.