Guernsey Dam
High HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Wyoming |
| County | Platte |
| Nearest City | GUERNSEY |
| River/Stream | NORTH PLATTE RIVER |
| Coordinates | 42.29030, -104.76420 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 137 ft |
| Dam Height | 135 ft |
| Dam Length | 560 ft |
| Year Completed | 1927 (99 years old) |
Storage & Hydraulics
| NID Storage | 45,612 acre-ft |
| Max Storage | 45,612 acre-ft |
| Normal Storage | 45,612 acre-ft |
| Surface Area | 2,380 acres |
| Drainage Area | 15,847 sq mi |
| Max Discharge | 12,500 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | BUREAU OF RECLAMATION |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 09/14/2022 |
| Emergency Action Plan | Yes |