• Year completed - dam, 1972; powerhouse, 1993
  • River system - Wynoochee
  • Original investment - dam, $24 million; powerhouse, $25 million
  • Type of dam - concrete gravity and embankment
  • Height - above riverbed, 175 feet; above bedrock, 175 feet
  • Length - 1,028 feet
  • Width - top, 20 feet; base, 146 feet
  • Volume of concrete in dam - 92,800 cubic yards
  • Average flow - 534 cubic feet/second
  • Drainage area - 41 square miles
  • Reservoir length - 4.4 miles
  • Miles of shoreline - 13 miles
  • Reservoir area at maximum elevation - 1,140 acres
  • Reservoir elevation - full, 800 feet; lowest allowable, 700 feet
  • Average annual generation - 30 million kilowatt-hours
  • Equivalent number of NW homes served - 2,100
  • Number of generators - One, 10,800 kilowatt
  • Installed capacity (nameplate rating) - 10,800 kilowatt