Fontenelle Dam
Dam in Lincoln County, Wyoming · Green River · forms Fontenelle Reservoir
Height
139 ft
42 m (NID height)
Length
5,421 ft
1,652 m
Completed
1964
Fontenelle Reservoir today
6,498.68 ft
7 days ▲ 0.68 ft
Reservoir level measured Oct 21, 2026, 1:00 AM MDT. Full level page →
Facts
- Purposes
- Fish and Wildlife Pond; Recreation; Hydroelectric; Water Supply
- Dam type
- Earth
- Structural height
- 139 ft
- Owner
- BUREAU OF RECLAMATION (Federal)
- Maximum storage
- 334,411 acre-ft
- Surface area
- 8,058 acres
- Hydraulic height
- 121 ft
- Drainage area
- 4,195 sq mi
- Spillway
- Uncontrolled, 300 ft wide
- Army Corps district
- Omaha District
- Also known as
- Fontenelle Reservoir
- NID ID
- WY01389
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 6, 2026. Search NID ID WY01389 at nid.sec.usace.army.mil. Project website.