The five water management districts in Florida are: Southwest Florida Water Management District nicknamed "Swiftmud" or SWFWMD South Florida Water Management District nicknamed "Softmud" or SFWMD Northwest Florida Water Management District stretching from the St. Marks River Basin in Jefferson County to the Perdido River n Escambia County St. Johns River Water Management District Suwannee River Water Management District District commissioners are nominated by the governor of the state, and approved by the state senate. Wikipedia