Lower Sunshine
High HazardFair ConditionEmergency Action Plan: Yes
Location
| State | Wyoming |
| County | Park |
| Nearest City | MEETEETSE |
| River/Stream | SUNSHINE CREEK OFFSTREAM |
| Coordinates | 44.09930, -108.97740 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 162 ft |
| Dam Height | 162 ft |
| Dam Length | 1,660 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 71,800 acre-ft |
| Max Storage | 71,800 acre-ft |
| Normal Storage | 58,748 acre-ft |
| Surface Area | 1,049 acres |
| Drainage Area | 26 sq mi |
| Max Discharge | 2,800 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | GREYBULL VALLEY IRRIGATION DISTRICT |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 09/30/2025 |
| Emergency Action Plan | Yes |