Acre foot

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  deep. One acre-foot of water is the same as  of water. It is about the same amount of water as a 8-lane, 25 m long competition swimming pool.

Uses
The typical American family uses about 1 acre-foot of water in a year or about  per day. In some places in the deserts of the Southwestern United States, water conservation is a rule. In these areas, a normal family only uses 0.25 acre-feet of water per year.

Large amounts of water can also be in thousands of acre-feet or TAF.

References

Category:Units of volume
Category:Water infrastructure