Lower Monumental Dam

Lower Monumental Dam is located 41.6 miles upstream from confluence of the Snake and Columbia Rivers in South Central Washington.

• 6 Main Unit Generators
• Total capacity of 810 MW
• 8 spillway gates

Generic DACS

• Bonneville Dam
• The Dalles Dam
• John Day Dam
• McNary Dam
• Chief Joseph Dam
• Ice Harbor Dam
• Lower Monumental Dam
• Little Goose Dam
• Lower Granite Dam
• Dworshak Dam