Angostura Dam
High HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | South Dakota |
| County | Fall River |
| Nearest City | WASTA |
| River/Stream | CHEYENNE RIVER |
| Coordinates | 43.34340, -103.43820 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 193 ft |
| Dam Height | 193 ft |
| Dam Length | 2,030 ft |
| Year Completed | 1949 (77 years old) |
Storage & Hydraulics
| NID Storage | 197,100 acre-ft |
| Max Storage | 197,100 acre-ft |
| Normal Storage | 86,160 acre-ft |
| Surface Area | 4,706 acres |
| Drainage Area | 9,096 sq mi |
| Max Discharge | 247,000 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | BUREAU OF RECLAMATION |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 08/26/2020 |
| Emergency Action Plan | Yes |