| Country : United States | State/Province : Washington |
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| Alternative Dam Name | |
| Dam Type | Earth; Gravity |
| Dam Height (m) | 98.5 |
| Dam Length (m) | 457.2 |
| Hazard Class | High |
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Geographic Coordinates (degrees)
(latitude, longitude) |
45.9650, -122.3330 |
| Emergency Action Plan | Yes |
| Main Purpose | Hydroelectric |
| Other Purposes | Hydroelectric; Recreation; Fish and Wildlife Pond |
| Country | United States |
| State/Province | Washington |
| County | Clark |
| River | Lewis River |
| Nearest Downstream City | |
| Distance To City (km) | |
| Population at Risk | |
| Year Completed | 1953 |
| Year Modified | |
| Normal Reservoir Storage (m3) | 495,859,705.8 |
| Max Reservoir Storage (m3) | 495,859,705.8 |
| Crest Elevation (m) | |
| Dam Base Width (m) | |
| Foundation Type | Rock, Known |
| Core Type | Homogeneous Earth, Known |
| Volume (m3) | |
| Material | |
| Dam Designer | Ebasco Sevices Inc. |
| Federal Regulatory Agency | FERC |
| Inspection Frequency per year | 1 |
| State Regulated | No |
| State Regulatory Agency | Federal Energy Regulatory Com |
| Mean Annual Energy | |
| Electric Capacity |