The purpose is to modify Rules 40D-8.021, 40D-8.031, and 40D-8.624, F.A.C., to remove certain language concerning methodology for the establishment of minimum lake levels, to remove outdated and incorrect references, and to revise minimum levels for certain lakes. The effect of the rule is The purpose is to modify Rules 40D-8.021, 40D-8.031, and 40D-8.624, F.A.C., to remove certain language concerning methodology for the establishment of minimum lake levels, to remove outdated and incorrect references, and to revise minimum levels for certain lakes. The effect of the rule is to support the District’s water supply planning, water use permitting, and environmental resource permitting programs.to support the District’s water supply planning, water use permitting, and environmental resource permitting programs.