Environmental impact statements, water allocation for the Alabama-Coosa-Tallapoosa (ACT) river basin and Apalacidcola-Chattahoochee-Flint (ACF) river basin. Using Reservoir System Modeling (HEC-5) as a Basis for a Programmatic Evaluation Framework (ACF River Basin Allocation EIS)
Hathorn, James E., Jr.
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This paper describes the role the HEC-5 computer program, "Simulation of Flood Control and Conservation Systems" in preparation of environmental impact statements (EIS) by a team of Federal agencies. The EIS addresses the range of potential environmental and socioeconomic impacts for the future allocation of water resources within the Alabama-Coosa-Tallapoosa (ACT) and Apalachicola-Chattahoochee-Flint (ACF) River Basins. The hydrologic model simulates the reservoir system operation of the ACT and ACF basins. The hydrologic modeling produces a range of flow conditions, which are anticipated to bracket the range of flow conditions that would result from any allocation of water resources. Hydrologic data, including reservoir elevation, streamflow, hydropower generation, and water supply withdrawals at key locations within the basin are provided to other elements within the EIS process to evaluate the potential environmental and socio-economic impacts.)