The purpose of the rule is to adopt Total Maximum Daily Loads (TMDLs) and their allocations. The TMDLs to be adopted through this rule are for the Wekiva River (including Wekiwa Spring) and Rock Springs Run (nitrate and total phosphorus), Little Wekiva Canal (total nitrogen, total phosphorus, and biochemical oxygen demand), Little Wekiva Canal and Little Wekiva River (fecal coliform), Spring Lake (total nitrogen and total phosphorus), Lake Florida (total nitrogen and total phosphorus), Lake Orienta (total nitrogen and total phosphorus), Lake Adalaide (total nitrogen and total phosphorus), Lake Lawne (total nitrogen and total phosphorus), Silver Lake (total nitrogen and total phosphorus), and Bay Lake (total nitrogen and total phosphorus).