Pilot Butte Dam
Dam in Fremont County, Wyoming · Wyoming Canal · forms Pilot Butte Reservoir
Height
64 ft
20 m (NID height)
Length
1,300 ft
396 m
Completed
1926
Pilot Butte Reservoir today
5,453.57 ft
7 days ▼ 0.09 ft
Normal storage
33,700 acre-ft
Reservoir level measured Oct 21, 2026, 12:00 AM MDT. Full level page →
Facts
- Purposes
- Irrigation
- Dam type
- Earth
- Structural height
- 64 ft
- Owner
- BUREAU OF RECLAMATION (Federal)
- Maximum storage
- 36,900 acre-ft
- Surface area
- 900 acres
- Hydraulic height
- 55 ft
- Drainage area
- 30 sq mi
- Spillway
- Uncontrolled, 100 ft wide
- Army Corps district
- Sacramento District
- Also known as
- Pilot Butte Reservoir
- NID ID
- WY01381
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 6, 2026. Search NID ID WY01381 at nid.sec.usace.army.mil. Project website.
Other dams at Pilot Butte Reservoir
- Pilot Butte Embankment 2
- Pilot Butte Embankment 3