Eielson Air Force Base Infiltration Pond Study.
1997
Fronapfel, Paul J.
The USAF Armstrong Laboratory, Occupational and Environmental Health Directorate, Bioenvironmental Engineering Division, Water Quality Branch (AL/OEEW) was requested by 354 CES/CEV, Eielson AFB (EAFB), AK, to conduct a survey of the infiltration basin at the base's wastewater treatment plant (WWTP). The effluent water from the WWTP discharges to the infiltration pond at an average rate of approximately one million gallons per day (I MGD). The infiltration basin is a former gravel pit of approximately 18-20 acres in size. Recently, the pond has been enlarging, and on occasion overflowing onto Central Avenue near the main entrance of the base. In May, 1995, EAFE CES personnel requested OEBW to determine if the infiltration pond has a sludge or soot layer 'plugging' the bottom of the pond and causing the overflow conditions. OEBW's goal was to determine the nature and extent of such sedimentation, characterize the material for disposal alternatives, and identity ways to prevent future overflowing. This report provides the results from permeability and characterization test on the pond sediment and proposes several alternatives for EAFB to handle the infiltration pond problem.
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