Seminoe Dam
Dam in Carbon County, Wyoming · North Platte River · forms Seminoe Reservoir
Height
295 ft
90 m (NID height)
Length
530 ft
162 m
Completed
1938
Seminoe Reservoir today
6,292.50 ft
7 days ▼ 0.41 ft
Normal storage
1,017,279 acre-ft
Reservoir level measured Oct 21, 2026, 12:00 AM MDT. Full level page →
Facts
- Purposes
- Hydroelectric; Irrigation; Recreation
- Dam type
- Concrete
- Structural height
- 295 ft
- Owner
- BUREAU OF RECLAMATION (Federal)
- Maximum storage
- 1,017,279 acre-ft
- Surface area
- 20,291 acres
- Hydraulic height
- 206 ft
- Drainage area
- 7,159 sq mi
- Spillway
- Controlled, 42 ft wide
- Army Corps district
- Omaha District
- Also known as
- Seminoe Reservoir
- NID ID
- WY01297
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 6, 2026. Search NID ID WY01297 at nid.sec.usace.army.mil. Project website.