Reclamation districts including an area of not less than one million acres of land may be created and maintained in this state, as herein provided, for the reclamation and improvement of arid and semiarid lands situated in such districts, and for the generation and/or sale of hydroelectric energy: PROVIDED, That no appropriation, license, filing, recording, examination or other fee or fees, as provided in RCW 90.16.050 through 90.16.090 or in RCW 90.03.470 shall be applicable to a district or districts created under this chapter.