Boysen Dam
Dam in Fremont County, Wyoming · Wind River · forms Boysen Reservoir
Height
220 ft
67 m (NID height)
Length
1,143 ft
348 m
Completed
1952
Boysen Reservoir today
4,711.80 ft
7 days ▲ 0.90 ft
vs full pool
▼ 13.20 ft
Normal storage
701,510 acre-ft
Below normal for the date
Reservoir level measured Oct 23, 2026, 9:00 AM MDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Irrigation; Fish and Wildlife Pond; Recreation; Hydroelectric; Water Supply
- Dam type
- Earth
- Structural height
- 220 ft
- Owner
- BUREAU OF RECLAMATION (Federal)
- Maximum storage
- 1,473,118 acre-ft
- Surface area
- 19,560 acres
- Hydraulic height
- 117 ft
- Drainage area
- 7,704 sq mi
- Spillway
- Controlled, 70 ft wide
- Army Corps district
- Omaha District
- Also known as
- Boysen Reservoir
- NID ID
- WY01299
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 6, 2026. Search NID ID WY01299 at nid.sec.usace.army.mil. Project website.