The fee for obtaining any license, permit or registration as provided in this chapter shall be such amount as the county executive, by regulation adopted under method (3) of section 2A-15 of this Code, may set from time to time. No separate pool operating permit shall be required for a wading or spray pool. A separate fee, in such amount as the executive may set by regulation adopted under method (3) of section 2A-15 of this Code, from time to time, will be charged for administration of the examination to applicants for a pool operator's license as provided in this chapter. Fees shall not exceed the reasonable costs of administering and enforcing this chapter. There shall be no operating permit fee charged for any pool operated by the county. (1971 L.M.C., ch. 45, § 1; 1979 L.M.C., ch. 55, § 8; 1984 L.M.C., ch. 24, § 49; 1984 L.M.C., ch. 27, § 32.)