Every person referred to in section 42-1602[, Idaho Code,] shall apply to the director of the department of water resources for the approval of any installed or proposed mechanical device for controlling the flow of water from such artesian well; and in such application shall describe the cap, equipment or mechanical appliance, with which such well is equipped or with which it is proposed to equip any such well, and shall change, alter or install only such equipment as shall be approved by the director of the department of water resources.