California Code, Water Code - WAT § 1650

A true copy of each license issued or of each order modifying or changing a license shall within 30 days after issuance thereof be recorded by the board in the office of the recorder of the county in which the point of diversion specified in the license lies or in case there are points of diversion lying in more than one county then in each of those counties in which a point of diversion lies and in case the place or places of use specified in the license are in different counties than the point or points of diversion also in the county or counties in which the place or places of use lie.