Public Law is the foundation of the Transition Assistance Program initiative, along with DOD and Army Transition Policy (AR 600-81). The TAP is a centrally funded commanders program that provides transition assistance services to eligible Soldiers. TAP empowers service members to make informed career decisions that will enhance their lives, our communities, and our nation. The order of investigation will be determined by the NTC.The mission of the Transition Assistance Program (TAP) formerly known as the “Soldier for Life-Transition Assistance Program (SFL-TAP)” is to deliver a world-class program for transitioning service members, their family members, retirees, and civilian employees. Few data are available in the previously unstudied basins therefore, the investigations of these basins will involve the collection of geophysical data to characterize the size and shape of the basins, well drilling to characterize the aquifer properties and water quality, and preliminary groundwater models to evaluate the long-term availability of groundwater. Previous studies have investigated in detail the groundwater resources of the Irwin, Langford, and Bicycle Basins therefore, work on these basins will involve updating the existing data and models developed for the basins and collecting new data where the previous studies indicated data gaps. The study approach involves evaluating the water resources at each of the major groundwater basins overlain by the NTC. The proposed study will be completed in a phased approach depending on the availability of funding. The study will involve (1) collecting and compiling existing hydrologic data for the entire NTC (2) updating the groundwater-flow models for Irwin, Langford, and Bicycle Basins to 2010 conditions (3) collecting new hydrologic data to improve the understanding of groundwater availability at the base with special emphasis on groundwater basins not previously investigated by the USGS (Superior Basin, Coyote Basin, “Central Corridor” area, Goldstone Basin, Leach Basin, Red Pass Basin, Nelson Basin, and Drinkwater Basin) (4) evaluating the cause of land-surface deformation on the Bicycle Lake playa and its impact on water supply from Bicycle Basin and (5) utilizing the updated Irwin, Langford, and Bicycle Basin models and hydrologic information collected from the groundwater basins not previously studied to evaluate the long-term availability of water at the NTC. The objectives of this study are to evaluate the current and long-term availability of groundwater resources at the NTC. In addition, groundwater basins that have not been previously studied on the base need to be evaluated to determine their potential for providing additional water supply. Booku fort irwin update#To effectively plan for the base expansion and the solar plant, there will be a need to update and utilize the groundwater-flow models developed for the Irwin, Langford, and Bicycle Basins to evaluate the effect of future recharge and pumping on the available water resources at the base. Currently the treated wastewater is a major source of recharge to the Irwin Basin (Densmore and Londquist, 1997). Treated wastewater will be used as the cooling water for the solar power plant. Army Corps of Engineers has selected the NTC for the construction of the largest solar power plant proposed to date within the Department of Defense. The base expansion will involve training additional troops, which will increase the water demand at the base. The NTC is planning to expand the area of the base in the near future. Monitoring of the Bicycle Lake playa is ongoing. In 2008, the USGS began a study to evaluate the location, extent, and magnitude of land-surface deformation on the Bicycle Lake playa in Bicycle Basin. The evaluations of Irwin and Langford Basins have been completed, and the evaluation of Bicycle Basin is scheduled to be completed in 2011. The objectives of the study were to describe the geohydrologic and geochemical frameworks of these basins develop groundwater flow models to help refine the understanding of the geohydrology and evaluate the long-term availability and quality of groundwater at the base. Geological Survey (USGS) entered into an agreement with the NTC to evaluate the long-term availability and quality of groundwater in the Irwin, Langford, and Bicycle Basins. Earth fissures are a major concern to the NTC because aircraft runways constructed on the playa are used for transporting troops and supplies. Land-surface deformation, consisting of an earth fissure and sink-like depressions, occurred in 2005 on the Bicycle Lake (dry) playa in the southern part of the Bicycle Basin. Map showing Fort Irwin National Training Center boundary, drainage basin boundaries, and areas of interest.
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