Iron, Manganese and Uranium Removal Project , Sierra Army Depot, Herlong, CA Sierra Army Depot (SIAD), located in Herlong, California, provides water from four wells to the Army base and to the surrounding community. Several of the wells (5, 8 and 9) have iron, manganese and uranium issues. Water Works Engineers (WWE) teamed with Cushman Contracting of Goleta, California, and was selected for the project based on overall value to the Government. Our proposed technical approach to treating the water to below SMCL and MCL included the following: 0.5 mile long raw water pipeline from Well 9 to Well 5 2,400 square-foot water treatment building at Well 5 to treat water from both Wells 5 and 9 with greensand ?lters for iron and manganese removal, backwash recovery (99% e?cient) and control syste

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