Standing Rock No. 1
High HazardFair ConditionEmergency Action Plan: Yes
Location
| State | South Dakota |
| County | Corson |
| Nearest City | Bullhead |
| River/Stream | Rock Creek -TR |
| Coordinates | 45.78180, -101.08740 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 39 ft |
| Dam Height | 39 ft |
| Dam Length | 605 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 842 acre-ft |
| Max Storage | 842 acre-ft |
| Normal Storage | 285 acre-ft |
| Surface Area | 37 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 15,080 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | BIA |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 07/21/2022 |
| Emergency Action Plan | Yes |