An acre-foot is a unit of volume used in the United States to measure large amounts of water resources. It makes measuring water in reservoirs, lakes, and rivers.
An acre-foot is the amount of water it would take to cover an acre of land with water 1 foot (0.30 m) deep. One acre-foot of water is the same as 43,560 cubic feet (1,233 m3) of water. It is about the same amount of water as a 8-lane, 25 m long competition swimming pool. view more...