acre-foot


Also found in: Dictionary, Thesaurus, Financial, Wikipedia.

acre-foot

[′ā·kər ′fu̇t]
(hydrology)
The volume of water required to cover 1 acre to a depth of 1 foot, hence 43,560 cubic feet; a convenient unit for measuring irrigation water, runoff volume, and reservoir capacity.

acre-foot

The amount of water required to cover an area of 1 acre to a depth of 1 foot; equivalent to 43,560 cubic feet (4046.9 m3); sometimes used as a measure of materials in place (e.g., gravel).
References in periodicals archive ?
Metropolitan would pay $250 per acre-foot for any additional water IID conserves, with the net proceeds from that sale -- estimated at up to $300 million -- going to help pay for the sea's restoration and environmental impacts to the Colorado River ecosystem.
Metropolitan proposes to pay $250 per acre-foot for any additional water IID conserves, with the proceeds from that sale going to help pay for the sea's restoration and environmental impacts to the Colorado River ecosystem.
Because of higher energy costs for pumping water, state water officials are projecting a charge of $100 per acre-foot to the local agency, which now pays $55 per acre-foot.
AVEK is looking at four rate-hike scenarios - $25 per acre-foot, $35 per acre-foot, $60 per acre-foot and the full $100.
Although Metropolitan will not call on the option, the district paid Placer County $10 per acre-foot or $2 million to secure the option.
Next summer, the rate for treated water will jump to $306 an acre-foot.
An acre-foot is about 326,000 gallons, enough water to provide the needs of two typical families for a year.
An acre-foot is the amount of water required to cover one acre one foot deep, or 325,851 gallons.
As part of a new five-year conservation strategy developed in coordination with its 26 member public agencies, Metropolitan will increase incentives to local agencies for new high-efficiency programs and devices from $154 for every acre-foot of conserved water to $195 per acre-foot up to 100 percent of the cost of a device.
An acre-foot is 326,000 gallons - enough to serve about two households a year.
Because of the repairs and water required in Owens Valley, the DWP has had to buy more water from the Metropolitan Water District, which charges about $330 for an acre-foot of untreated water.