The Department is initiating rulemaking to establish Total Maximum Daily Loads (TMDLs) for waters in the Pensacola Bay (Bayou Chico, Jones Creek, Jackson Creek, Bayou Chico Beach and Sanders Beach), Perdido Bay (Elevenmile Creek and Tenmile Creek), Upper East Coast (Spruce Creek), Middle St. Johns River (Little Wekiva River, Little Wekiva Canal, Wekiva River, Rock Springs Run, Spring Lake, Lake Florida, Lake Orienta, Lake Adalaide, Lake Lawne, Silver Lake, Bay Lake), Indian River Lagoon (Crane Creek, Eau Gallie River), and Springs Coast (Klosterman Bayou Run tidal segment, Saint Joes Creek freshwater segment) Basins. Pursuant to Section 403.067(6), Fla. Stat., TMDLs must be adopted by the Secretary of the Department by rule. Chapter 62-304, F.A.C., was established as the rule chapter within which rules adopting TMDLs shall reside. Establishment of TMDLs is proceeding for waters within the above basins for which the verified lists of impaired waters previously were adopted by Secretarial Order. TMDL calculations and allocations for each waterbody or waterbody segment will be adopted by rule, by the Secretary of the Department, pursuant to Sections 120.536(1), 120.54, and 403.805, Fla. Stat. This rule has been given OGC No. 08-0456.