duty of water

duty of water

[′düd·ē əv ′wȯd·ər]
(hydrology)
The total volume of irrigation water required to mature a particular type of crop, including consumptive use, evaporation and seepage from ditches and canals, and the water eventually returned to streams by percolation and surface runoff.
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References in periodicals archive ?
131) In the Attorney General's example, the three acre foot duty of water had never been applied to a beneficial use and is technically not part of the right in the first place.
Under early case law, the duty of water awarded upon application for the appropriation depends on the following three factors: 1) the amount diverted, 2) the amount used, and 3) the amount needed.
145) Therefore, the duty of water is really a maximum estimated number that expresses "the amount of water necessary to produce a desired benefit.