 eufaula lake is a reservoir in oklahoma. it is located on the canadian river,  upstream from its confluence with the arkansas river and near the town of eufaula. the lake covers parts of mcintosh county, pittsburg, haskell and okmulgee counties and drains . water sources include the canadian, north fork canadian and deep fork rivers.o'dell, larry. encyclopedia of oklahoma history and culture. "lake eufaula."retrieved april 20, 2013. it is the largest-capacity lake in the state of oklahoma (), a surface area of  and  of shoreline.http://www.travelok.com/listings/view.profile/id.4330 accessed 6-23-2010 ==history== congress approved construction of the dam and lake in 1946 to provide flood control, hydroelectric power, water supply, navigation and recreation. the u. s. army corps of engineers began construction of the 975&nbsp;meter-long (3,199&nbsp;feet) eufaula dam wall began in 1956 and was completed in 1964. president lyndon b. johnson came to oklahoma to dedicate the dam on september 25, 1964. the dam holds back a lake area of over . the hydroelectric power station was designed to provide 90,000&nbsp;kilowatts of electric power from the lake waters. == standing rock == standing rock is now covered by the waters of lake eufaula. the historic landmark stood in the middle of the canadian river about two miles (3&nbsp;km) below the junction of the north and south canadians. when the lake is at its top level, , the top of the huge upright rock is approximately  below the
Landforms_of_Haskell_County,_Oklahoma Landforms_of_McIntosh_County,_Oklahoma Landforms_of_Pittsburg_County,_Oklahoma Protected_areas_of_Haskell_County,_Oklahoma Protected_areas_of_McIntosh_County,_Oklahoma Reservoirs_in_Oklahoma