The department shall issue permits in accordance with such procedures and subject to such conditions as it may by regulation establish to effectuate the provisions of this chapter only:
(1) If the applicant is licensed pursuant to this chapter;
(2) If a sufficient notice of intention is published and proof of publication is filed as required by RCW 70A.10.120;
(3) If the applicant furnishes proof of financial responsibility, as provided in RCW 70A.10.130, in an amount to be determined by the department but not to exceed twenty thousand dollars;
(4) If the fee for a permit is paid as required by RCW 70A.10.140;
(5) If the weather modification and control activities to be conducted under authority of the permit are determined by the department to be for the general welfare and public good;
(6) If the department has held an open public hearing in Olympia as to such issuance.