The Flood Control Act of 1946 was passed by the United States Congress

United States Congress

The United States Congress is the bicameral legislature of the federal government of the United States, consisting of the Senate and the House of Representatives. The Congress meets in the United States Capitol in Washington, D.C....

 on July 24, 1946; to authorize 123 projects including several dams and hydroelectric power plants like Old Hickory Lock and Dam

Old Hickory Lock and Dam

Old Hickory Lock and Dam is a dam located in middle Tennessee on the Cumberland River at mile 216.2 in Sumner and Davidson Counties, approximately upstream from Nashville. The reservoir behind the dam is Old Hickory Lake...

 in Tennessee and the Fort Randall Dam

Fort Randall Dam

The Fort Randall Dam is an earth embankment dam impounding the Missouri River in South Dakota, United States and forming Lake Francis Case. It is one of six Missouri River dams, four being located in South Dakota....

 in South Dakota. It also allowed bank adjustments and re-directions for several rivers. The plan authorized the Secretary of War to regulate the surveillance of flood control and other improvements as well as the ability to call for a review of said surveys. The Secretary of Agriculture and the Department of Engineers were also charged with conducting surveys relating to their respective fields.

Budget

The plan allocated $1,427,097,038 for the projects. The act also allotted a maximum of $1,000,000 annually to be used for removing debris and clearing channels, $2,000,000 to be used for rescue and repair of levees damaged by flooding, and $957,000,000 to be used for other miscellaneous actions.

Significant Projects

• Flood protection in the Potomac River
  Potomac River
  The Potomac River flows into the Chesapeake Bay, located along the mid-Atlantic coast of the United States. The river is approximately long, with a drainage area of about 14,700 square miles...
  
   Basin and the construction of the Savage River Dam
• The construction of a reservoir in Rappahannock River
  Rappahannock River
  The Rappahannock River is a river in eastern Virginia, in the United States, approximately in length. It traverses the entire northern part of the state, from the Blue Ridge Mountains in the west, across the Piedmont, to the Chesapeake Bay, south of the Potomac River.An important river in American...
  
   Basin
• The construction of the Falling Spring Dam and a reservoir on the Jackson River
• The construction of four reservoirs in the Yadkin-Pee Dee River Basin
• Extensive improvements and the construction of levees on the tributaries of the lower Mississippi River
  Mississippi River
  The Mississippi River is the largest river system in North America. Flowing entirely in the United States, this river rises in western Minnesota and meanders slowly southwards for to the Mississippi River Delta at the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains...
  
  
• Allocation of 69000 acre.ft for irrigation storage in the Canton reservoir on the North Canadian River
  North Canadian River
  The North Canadian River is a tributary of the Canadian River, approximately long, that flows through New Mexico, Texas and Oklahoma in the United States....
  
  
• The construction of the West Fork Reservoir on the West Fork River
  West Fork River
  The West Fork River is a principal tributary of the Monongahela River, 103 miles long, in north-central West Virginia in the United States...
  
  
• The construction of the Belton Reservoir and the allocation of 45000 acre.ft to be reserved for irrigation storage
• The construction of the Lucky Peak Reservoir on the Boise River