Long Lake
High HazardFair ConditionEmergency Action Plan: Yes
Location
| State | Washington |
| County | Stevens |
| Nearest City | Long Lake Op Village |
| River/Stream | Spokane River |
| Coordinates | 47.83710, -117.83870 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 225 ft |
| Dam Height | 213 ft |
| Dam Length | 593 ft |
| Year Completed | 1915 (111 years old) |
Storage & Hydraulics
| NID Storage | 105,080 acre-ft |
| Normal Storage | 105,080 acre-ft |
| Surface Area | 5,060 acres |
| Drainage Area | 5,844 sq mi |
| Max Discharge | 269,200 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Avista Corporation |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 08/16/2022 |
| Emergency Action Plan | Yes |