Withlacoochee Regional Ground Water Supply Plan City of Ocala, Citrus, Hernando and Sumter Counties, Florida The Withlacoochee Regional Water Supply Authority (WRWSA) Regional Water Supply Plan Update – 2005 (RWSPU) determines both the existing and projected water demands for the region and assesses the sustainability of groundwater resources to support future demands. Future water supply development projects, both traditional and alternative, …