(1) Ninety (90) days from July 15, 2016, the cabinet shall promulgate administrative regulations that update the daily waste flow charts to account for technological improvements in water-using fixtures and appliances that reduce water usage. The cabinet also shall include a methodology for using conservation credits for greywater systems that reduce total daily waste flows.
(2) No political subdivision of the state shall prohibit the use of greywater reduction of average daily waste flows by policy, rule, or ordinance if the greywater use is allowed pursuant to a permit issued under KRS 211.350.