Cushman No. 1

• Year completed - 1925
• River system - North Fork, Skokomish River 
• Original investment - $4.36 million
• Type of dam - concrete arch/gravity and embankment
• Height - above riverbed, 235 feet; above bedrock, 275 feet
• Length - 1,111 feet
• Width - top, 8 feet; base, 50 feet
• Volume of concrete in dam - 90,000 cubic yards
• Average flow - 845 cubic feet/second
• Drainage area - 94 square miles
• Reservoir length - 9.6 miles
• Miles of shoreline - 23 miles
• Reservoir area at maximum elevation - 4,010 acres
• Reservoir elevation - full, 738 feet; lowest allowable, 615 feet
• Average annual generation - 127 million kilowatt-hours
• Equivalent number of NW homes served - 9,000
• Number of generators - Two, 21,600 kilowatt
• Installed capacity (nameplate rating) - 43,200 kilowatts

Cushman No. 2

• Year completed - 1930
• River system - North Fork, Skokomish River
• Original investment - $8.23 million
• Type of dam - concrete arch/gravity
• Height - above riverbed, 175 feet; above bedrock, 235 feet
• Length - 575 feet
• Width - top, 8 feet; base, 40 feet
• Volume of concrete in dam - 38,000 cubic yards
• Average flow - 852 cubic feet/second
• Drainage area - 100 square miles
• Reservoir length - 2 miles
• Miles of shoreline - 4.5 miles
• Reservoir area at maximum elevation - 150 acres
• Reservoir elevation - full, 480 feet; lowest allowable, 460 feet
• Average annual generation - 233 million kilowatt-hours
• Equivalent number of NW homes served - 16,500
• Number of generators - three 27,000 kilowatt generators 
• Installed capacity (nameplate rating) - 81,000 kilowatts