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SJRWMD Alternative Water Supply Construction Cost-Sharing Application Form 2004-2005 <br /> 2. Purpose. Explain the purpose(s) of the project. (Do not refer to attachments.) <br /> Reverse Osmosis (R.O.) water treatment process involves micron level filtration that generates a <br /> waste stream by-product referred to as concentrate. Currently, concentrate is discharge to the Indian <br /> River Lagoon where it is commingled with the waters of the intra coastal water way and disposed <br /> This project will provide for the concentrate (initially 750,000 gallons per day and ultimate_„y 19 mgd) <br /> to be rerouted to the Grand Harbor Mosquito Impoundment At that point the concentrate will be <br /> discharged into the mosquito impoundment and mixed with brakish water from the Indian River <br /> Lagoon. The brakish water/ concentrate mixture will be routed through the impoundment area <br /> through a series of pools and ditches designed to allow positive outfall into the logoon, while <br /> allowing fish from the lagoon to travel into the pools to control the mosquito habitat The restored <br /> wetlands will foster the growth of mangrowths, further promoting the development of fish life to <br /> help control mosquito nuisance. Approximately two miles of 16" PVC water main will be consrcted <br /> from the Bent Pine RIB Site east along the North Relief Canal to the mosquito impoundment site <br /> Several pools will be graded at the headworks of the impoundment area for collection of the brakish <br /> water / concentrate. Several channels will be cut between the pools located at the headworks and the <br /> lagoon to allow aquatic life from the lagoon to migrate into the els to harvest mosquito larvae and <br /> mangrove habitat Pumps and associated 1iping will be constructed from the lagoon to theop nds to <br /> allow conveyance of brackish water from the lagoon to be mixed with the brine water for <br /> surcharging the impoundment area. <br /> 3. Brief description of project. Include approximate dimensions and capacities . <br /> (Do not refer to attachments.) <br /> A 90 acre designated wetland site with some coastal planes and mosquito bearingponds interspersed <br /> is being considered for purchase and redevelopment through regrading of brackish / brine water <br /> collection pools and construction of interconnecting channels with the Indian River Lagoon Mixing <br /> pumps and conveyance piping will be constructed from the lagoon to the collection for mixing <br /> brackish water with brine. Approximatel 10,560� linear feet of 16" diameter PVC pipe will be <br /> constructed from the Bent Pine RIB Site to the mosquito impoundment for conveyance of up to 225 <br /> million gallons per day of brine water flow. <br /> A-3 <br />