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1renhnentPlanl P;~jduUioo Study <br />On Wednesday, May 13, 1998 the <br />DisTricf was honored by the TNRCC and <br />received recognition as one of ihe first of <br />only two water treatment facilities in fhe <br />sfate fo achieve the high quality <br />sfandards under ihe Water Opfimization <br />Program. The quality of water being <br />produced equaTes to five times beNer <br />ihan normal standards. The Distrid's <br />board Geneml Manager, Harry Miller, <br />Assiston} General Manager, Sam <br />Oswood and treatment staR were singled <br />out for fheir eHorts in providing the <br />highest qualify water for Brown County. <br />The Distrid received this presiigious <br />award for the second time on October <br />14, 1998, making it the only water <br />disirid in the state to hove received the <br />award twice. <br />WATER TREATMENT PLANT DESIGN AND IMPROVEMENTS <br />BROWN COUNTY WATER IMPROVEMENT DISTR[CT <br />Freese and Nichols first designed the Brown Couniy W[D water heatrnent plant in <br />1986. The innovative treatment process used at Brown County WID's 10 MGD <br />treatment plant employs iube settlers in the ctarification basins, which allow <br />treatment at a higher rate than a conventional basin of comparable size by <br />shortening the settling distance and improving flow distribution. The tube settlers <br />provide enhanced turbidity removal. Clarification is preceded by rapid mixing and <br />flocculation and foflowed by filtration in dual media gravity filters with air/water <br />backwash. Operations are simplified by splitting influent flow evenly behueen filters <br />in service and utilizing the increased head loss concept to signal backwash <br />requirements, rather than using rate of flow controllers for filters. <br />A site selection analysis was made to determine that the site near the original facility <br />was preferable to other locations on the north and east sides of Brownwood. Freese <br />and Nichols also administered construction for the project, which was completed in <br />1986 at a cost of approximately $3.7 million. _ <br />Following an evaluation of the plant conducted in 1991, Freese and Nichols <br />designed improvements to the plant and provided construction management <br />services. <br />CunenUy, Freese and Nichols contracted to condud an uprating evaluation for the <br />water treatrnent plant. The purpose of the evaluation is to determine if the plant can <br />be rated at a higher capacity (20% increase) while still meeting SWDA requirements.. <br />. ..,..-:.a .~_~d.~....._..,, . . <br />~IlpO`.ril ~ 'pfJiOrJCIPE. tt ~~PbU t_ _ <br />F-REtSL •NICHOLS <br />