California Code, Water Code - WAT § 75507

(a) “Water year” means July 1st of one calendar year to June 30th of the following calendar year.

(b) “Current water year” means the water year in which the investigation and report on the ground water conditions of the district is made, the hearing thereon held, and the determination is made by the board as to whether a zone or zones should be established and a ground water charge levied therein.

(c) “Preceding water year” means the water year immediately preceding the current water year.

(d) “Ensuing water year” means the water year immediately following the current water year.