Gray Reef Dam
Low HazardNot Available ConditionEmergency Action Plan: Not Required
Location
| State | Wyoming |
| County | Natrona |
| Nearest City | CASPER |
| River/Stream | NORTH PLATE RIVER |
| Coordinates | 42.56540, -106.70150 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 650 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 1,804 acre-ft |
| Max Storage | 1,804 acre-ft |
| Normal Storage | 1,804 acre-ft |
| Surface Area | 182 acres |
| Drainage Area | 10,768 sq mi |
| Max Discharge | 20,700 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | BUREAU OF RECLAMATION |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 07/26/2023 |
| Emergency Action Plan | Not Required |