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Inman river county Utilities <br /> Concentrate Disposal Options <br /> UAB Response. <br /> The UAB decided against pursuit of this option in lieu of other potential options at the <br /> May 4, 2000 meeting. <br /> 3 .4 Stormwater Mixing <br /> Concentrate may be diluted with stormwater for disposal . Mixing the concentrate <br /> with stormwater would require that the stormwater system be available for <br /> connection. Possible problems include retention volume, mixing ratio and reliability <br /> of stormwater volumes . Since concentrate production is constant, a consistent supply <br /> of stormwater would be required for diluting purposes . This option may be <br /> advantageous during wet weather. <br /> UAB Response: <br /> The UAB recommended this option be pursued as an option once the Stormwater <br /> Plaster planning efforts are underway . Further discussions with Indian River Farms <br /> Water Control District are necessary . <br /> 3 . 5 Reuse Mixing <br /> Mixing reuse water with concentrate and disposing the product through the reuse <br /> water distribution system is another possible solution. The concentrate water would <br /> have to be blended with reuse water at a ratio that would allow the water to be land <br /> applied for irrigation purposes . Possible problems would include possible vegetation <br /> intolerance to saltier water and the availability of reuse volume for dilution purposes . <br /> Also the possible gradual buildup of salts in the areas of discharge may become a <br /> problem . See Figure 1 . <br /> UAB Response : <br /> The UAB believes this option in conjunction with other possible options will be the <br /> most immediate and viable means of diverting concentrate from the North County <br /> plant and current discharge point. A pilot study at a nearby golf course pond is <br /> recommended prior to full scale implementation. <br /> 3 . 6 Disposal to North WWTP <br /> The North County WWTP is a one million gallon per day wastewater treatment plant. <br /> See Figure 2. The concentrate could be diverted to the plant, mixed with the influent, <br /> and treated and disposed as the North plant' s effluent. The plant would only be able <br /> to take a portion of the 600,000 gallons per day of concentrate produced at North <br /> County facility . The rest of the concentrate would have to be disposed in another <br /> manner . <br /> UAB Response : <br /> _ The UAB recommended not to pursue this option at the May 4 meeting since salts <br /> pass through the treatment process . <br /> CDM Camp Dresser & McKee Inc. 7 <br /> rw�oe.aedt tnaoo <br />