Pursuant to the National Environmental Policy Act this Notice of Availability of the draft Supplemental Environmental Assessment (SEA) and proposed Finding of No Significant Impact (FONSI) support the Preliminary Project Operations Manual (PPOM) for the Indian River Lagoon-South (IRL-S) C-44 Reservoir and Stormwater Treatment Area (R/STA). The C-44 R/STA is a feature of the IRL-S Restoration Project in Martin County, Florida. The purpose of the IRL-S Project is for restoration of the southern Indian River Lagoon and the St. Lucie Estuary ecosystem in Martin, St. Lucie and Okeechobee Counties, Florida.