The proposed rule would establish or amend established minimum water levels for the above listed lakes and establish minimum median of annual median flows for the above listed springs pursuant to the mandate of Section 373.042, Florida Statutes. Each of the established or amended minimum lake surface water levels have an associated duration and return interval. As with all minimum levels established by the District, if adopted, the minimum levels in this rule amendment would be used as a basis for imposing limitations on withdrawals of groundwater and surface water in the consumptive use permit regulatory process and for reviewing proposed surface water management systems in the environmental resource permit regulatory process.