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The volume of water, 43,560 cubic feet, that will cover an area of one acre to a depth of one foot.


n, pl -feet
(Units) the volume of water that would cover an area of 1 acre to a depth of 1 foot: equivalent to 43 560 cubic feet or 1233.5 cubic metres


a unit of volume of water in irrigation: the amount covering one acre to a depth of one foot, equal to 43,560 cubic feet (1233 cubic meters).
[1900–05, Amer.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.acre-foot - the volume of water that would cover 1 acre to a depth of 1 footacre-foot - the volume of water that would cover 1 acre to a depth of 1 foot; 43,560 cubic feet or 1233.5 cubic meters
References in periodicals archive ?
Santa Margarita Water District, $750,000 The district will expand the existing 3A Water Reclamation Plant to provide up to 3,000 acre-feet per year of recycled water and energy savings.
If lake levels are at or below current levels, they will get no water; if they are slightly higher (850,000 acre-feet to 920,000 acre-feet), a maximum of 145,000 acre-feet will be released from the lakes to support a crop.
The city currently generates about 25,000 acre-feet per year of treated effluent, but only a small portion of that is used as non-potable water for golf courses, parks, and roadway embankments.
We'll likely have about 75 agreements--both permanent and temporary--in place this year that preserve about 50 cubic feet per second of flow in-stream," or about 33 acre-feet of water, notes Andrew Purkey, executive director of the Oregon Water Trust in Portland.
5 million acre-feet of native groundwater during the 50-year program.
Dams are an intrinsic part of the epic of engineering achieved by Americans since the beginning of their national history: Between the first European settlement and 1900, they built 2,661 dams with a total storage capacity of 10 million acre-feet.
In return for its funding, Metropolitan will receive 100,000 acre-feet of water, including up to 34,000 acre-feet this year that will be created though construction and operation of the reservoir adjacent to the All American Canal in Imperial County.
An average household uses between one-half to one acre-feet of water per year.
Notes Cole, "We now recharge [the aquifer] with about 30,000 acre-feet per year.
he Bastrop County Groundwater Project will add another 10,000 acre-feet to the water supply by allowing LCRA to pump up to 10,000 acre-feet of water a year under certain conditions at the Lost Pines Power Park, property LCRA owns in Bastrop County.
That's just 6 percent of the city's total water demand, but it's needed to help replace 160,000 acre-feet of water the DWP has had to leave in the eastern Sierras to replenish Mono Lake and control dust at Owens Lake.
Created in 1935, the district obtains most of its water from its ownership interest in the Provo River Water Users' Association -- equal to 61,700 acre-feet per year.