Sibley
High HazardNot Rated ConditionEmergency Action Plan: Yes
Location
| State | Wyoming |
| County | Sheridan |
| Nearest City | DAYTON |
| River/Stream | PRUNE CREEK |
| Coordinates | 44.76128, -107.43861 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 30 ft |
| Dam Length | 420 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 635 acre-ft |
| Max Storage | 635 acre-ft |
| Normal Storage | 379 acre-ft |
| Surface Area | 34 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 1,360 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | USDA FS |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Last Inspection | 08/27/2020 |
| Emergency Action Plan | Yes |