Twin Buttes Dam
High HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Texas |
| County | Tom Green |
| Nearest City | SAN ANGELO |
| River/Stream | MID & SO CONCHO RIV, SPRING CR |
| Coordinates | 31.36560, -100.52840 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 134 ft |
| Dam Height | 134 ft |
| Dam Length | 42,460 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 1,088,152 acre-ft |
| Max Storage | 1,088,152 acre-ft |
| Normal Storage | 186,210 acre-ft |
| Surface Area | 23,508 acres |
| Drainage Area | 3,969 sq mi |
| Max Discharge | 47,300 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | BUREAU OF RECLAMATION |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 03/01/2022 |
| Emergency Action Plan | Yes |