The Feasibility of Using Continuous SWMM for Water Resources Conservation Planning
The scope of watershed planning is changing to include not only water quality and flood control, but also management of wetlands and conservation of fresh water in a cost-effective manner. This chapter discusses the feasibility of using an analytical method that uses the United States Environmental Protection Agency (USEPA) Stormwater Management Model (SWMM) for continuous simulation. The potential for fresh water conservation by reducing overdrainage of a sand ridge and wetland system in central Florida is evaluated. The program goals are to conserve fresh water, hydrate wetlands, and increase aquifer recharge by increased infiltration to a sole source aquifer while minimizing flood impacts and maintaining or improving water quality. The analysis includes an average annual mass balance and the evaluation of costs and relative benefits to identify project feasibility. The results of this feasibility study are currently under review by the St. Johns River Water Management District (SJRWMD) and Volusia County, Florida. The technical review process is not complete, and this chapter is offered for conceptual consideration.
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