Development of a Sustainable Water Resource for the Big Creek Watershed
Brashear, Robert W.
Santo, James M.
Stanko, Thomas A.
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The Big Creek Water Quality Management Plan has been a cooperative effort of Cherokee, Forsyth and Fulton Counties, as well as the Cities of Alpharetta, Cumming and Roswell to develop a mutually agreeable water quality protection Plan for the Big Creek Watershed. The Big Creek Watershed straddles the rapidly growing Georgia 400 Corridor in the northern part of Metropolitan Atlanta. It is a water supply for the City of Roswell and has an area of about 99 square miles at the Roswell water intake. The project purposes included: achieving and maintaining a high quality water supply; minimizing flooding, property damage and stream impacts; protecting wetlands and establish greenways; meeting minimum Georgia DNR water supply watershed criteria or developing acceptable alternatives; understanding the impacts of urbanization; and considering options for and developing multi jurisdictional cooperation. The study encompassed watershed characterization, assessment of water quality and quantity issues, assessment of habitat and social issues and the selection of best management practices (BMP's) to meet water quality, water quantity, habitat and social goals. Study tasks included forecasting future land use and impervious areas, assessing current and future impacts and evaluating alternate management and protection scenarios.