Sedgwick
Low HazardPoor ConditionEmergency Action Plan: Not Required
Location
| State | Wyoming |
| County | Weston |
| Nearest City | EDGEMONT, S.D. |
| River/Stream | ALKALI CREEK |
| Coordinates | 43.55190, -104.41300 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 21 ft |
| Dam Length | 781 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 169 acre-ft |
| Max Storage | 169 acre-ft |
| Normal Storage | 112 acre-ft |
| Surface Area | 25 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | BLACK THUNDER WYOMING RANCHES LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 05/01/2025 |
| Emergency Action Plan | Not Required |