Boulder Lake
Significant Hazard ConditionEmergency Action Plan: Not Required
Location
| State | Wyoming |
| County | Sublette |
| Nearest City | BOULDER |
| River/Stream | BOULDER CREEK |
| Coordinates | 42.83620, -109.70540 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 380 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 37,800 acre-ft |
| Max Storage | 37,800 acre-ft |
| Normal Storage | 22,280 acre-ft |
| Surface Area | 1,676 acres |
| Drainage Area | 126 sq mi |
| Max Discharge | 6,190 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | BOULDER IRRIGATION DISTRICT |
| Owner Type | Private |
| Hazard Classification | Significant |
| Last Inspection | 06/24/2025 |
| Emergency Action Plan | Not Required |