Aquifer Storage and Recovery in the Comprehensive Everglades by National Research Council, Division on Earth and Life

By National Research Council, Division on Earth and Life Studies, Water Science and Technology Board, Board on Environmental Studies and Toxicology, Committee on Restoration of the Greater Everglades Ecosystem

Aquifer garage and restoration (ASR) is a technique during which water is recharged via wells to an aquifer and extracted for worthy use at a few later time from a similar wells. ASR is proposed as an enormous water garage part within the finished Everglades recovery Plan (CERP), built together through the U.S. military Corps of Engineers (USACE) and the South Florida Water administration District (SFWMD). The plan might use the higher Floridan aquifer (UFA) to shop up to 1.7 billion gallons in line with day (gpd) (6.3 million m3/day) of extra floor water and shallow groundwater in the course of rainy sessions for restoration in the course of seasonal or longer-term dry classes, utilizing approximately 333 wells. ASR represents approximately one-fifth of the complete anticipated expense of the CERP.

Aquifer garage and restoration within the accomplished Everglades recovery Plan examines pilot undertaking from the viewpoint of adaptive evaluate, i.e., the level to which the pilot initiatives will give a contribution to approach figuring out which could enhance layout and implementation of recovery undertaking parts. This record is a critique of the pilot tasks and similar studies.

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The ASR pilot program thus has placed an appropriately heavy emphasis on collecting an extensive array of water quality measurements. However, chemical analyses on water recharged to and recovered from pilot wells cannot answer many questions about potential biological impacts of ASR water on the Everglades ecosystem. Such analyses by themselves also cannot provide the mechanistic information needed to develop geochemical models to predict how water chemistry/water quality will change in a full-scale ASR program.

3. Need for and nature of studies on microbial (pathogen) survival to be conducted during the pilot projects. Particular concern was expressed about use of coliform bacteria to represent the pathogens present in surface water sources used for aquifer recharge. 15 16 Aquifer Storage and Recovery in the Comprehensive Everglades Restoration Plan 4. Effects of dissolved and particulate organic matter in recharge water on biogeochemical processes in the subsurface environment and the potentially adverse effects of these processes on ASR system functioning.

Geol. Soc. of Amer. Abstr. with Prog. 31(7) :A-156. , and Peaudecerf, P. 1990. Modeling fracture flow with a stochastic discrete fracture network: calibration and validation. 2. The transport model. Water Resources Res. 26:491-500. CH2M Hill. 1989. Construction and resting of the aquifer storage and recovery (ASR) demonstration project for Lake Okeechobee, Florida. Report for the South Florida Water Management District. General Accounting Office. 2000. Comprehensive Everglades Restoration Plan: additional water quality projects may be needed and could increase costs.

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