Twin Buttes Dam
Dam in Tom Green County, Texas · Mid & So Concho Riv, Spring Cr · forms Twin Buttes Reservoir
Height
134 ft
41 m (NID height)
Length
42,460 ft
12,942 m
Completed
1963
Twin Buttes Reservoir today
1,894.33 ft
7 days ▼ 0.40 ft
vs full pool
▼ 45.87 ft
Normal storage
186,210 acre-ft
Normal for the date
Reservoir level measured Oct 23, 2026, 2:00 PM CDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Irrigation; Recreation
- Dam type
- Earth
- Structural height
- 134 ft
- Owner
- BUREAU OF RECLAMATION (Federal)
- Maximum storage
- 1,088,152 acre-ft
- Surface area
- 23,508 acres
- Hydraulic height
- 108 ft
- Drainage area
- 3,969 sq mi
- Spillway
- Uncontrolled, 200 ft wide
- Army Corps district
- Fort Worth District
- Also known as
- Twin Buttes Reservoir
- NID ID
- TX00022
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 22, 2025. Search NID ID TX00022 at nid.sec.usace.army.mil. Project website.