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As the name suggests, an acre-foot is defined as the volume of one acre of surface area to a depth of one foot. Since an acre is defined as a chain by a furlong (i.e. 66 ft × 660 ft or 20.12 m × 201.17 m), an acre-foot is 43,560 cubic feet (1,233.5 m 3). There has been two definitions of the acre-foot (differing by about 0.0006%), using ...
(An acre-foot is about 326,000 gallons — enough water to supply up to three homes for a year). ... The program's ultimate goal is to capture 300,000 acre-feet of water per year by 2045.
Stage 1 water yield within the next seven to ten years is estimated to be 2.9 million acre-feet (3.6 km 3) per year. [103] As part of Stage 1, an Environmental Water Account was established through the purchase of 0.35 million acre-feet (0.43 km 3) of water. The EWA is used to protect fish and other wildlife without reducing water allocations ...
The cost of water from the plant will be $100 to $200 more per acre-foot than recycled water (approximately 0.045 cents per gallon), $1,000 to $1,100 more than reservoir water (approx. 0.32 cents per gallon), but $100 to $200 less than importing water from outside the county. [42] As of April 2015, San Diego County imported 90% of its water. [13]
The Kern County Water Agency (the second largest SWP entitlement holder) pays around $45–50 per acre-foot ($36–41 per 1,000 m 3) of SWP water, which is mostly used for irrigation. The Metropolitan Water District of Southern California (the largest entitlement holder) pays $298 per acre-foot ($241 per 1,000 m 3). This basically means that ...
Name Location Volume Maximum Depth notes 1: Lake Superior: Michigan - Minnesota - Ontario - Wisconsin: 9,799,680,000 acre⋅ft (12,088 km 3) 1,332 ft (406 m) Third-largest fresh-water lake in the world by volume
All this because of the lack in ability to do this simple calculation. I will illustrate here: 1 acre (1 foot thick) x # of gallons in a cubic foot. This is, simply 43560 (Cubic feet) x 7.48 gallons / cubic foot = 325,828.8 gallons - rounded to 325,829 gallons per acre foot (do it on a calculator!).
CRA pumping expanded from about 16,500 acre-feet (20,400,000 m 3) of water in 1950 to about 1,029,000 acre-feet (1.269 × 10 9 m 3) by 1960. On August 9, 1962, the Metropolitan set an all-time delivery record of 1,316,000,000 gallons of water in just a 24-hour period. [citation needed]