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ROBESON CREEK: A CASE STUDY IN TMDL IMPLEMENTATION PLAN DEVELOPMENT
Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.orgCitation: Pp. 401-404 in Total Maximum Daily Load (TMDL) Environmental Regulations–II Proceedings of the 8-12 November 2003 Conference (Albuquerque, New Mexico USA), Publication Date 8 November 2003. .(doi:10.13031/2013.15587)
Authors: K. R. Hall, L. A. Lombardo, D. E. Line, D. E. Wise, A. D. Moreland
Keywords: Total Maximum Daily Load, TMDL, TMDL Implementation Plan, Watershed Assessment
Robeson Creek, located in Chatham County, North Carolina, is a 303 (d) listed stream due to
chlorophyll a violations and impaired biological communities. Pollutants associated with the
chlorophyll a violations are nutrient inputs from point and nonpoint sources within the
watershed. The North Carolina Division of Water Quality (DWQ) began monitoring water
quality of Robeson Creek and its tributaries in December 2000. DWQ has developed a Total
Maximum Daily Load (TMDL) for total phosphorus in this watershed. North Carolina State
University (NCSU) in coordination with DWQ, the Robeson Creek Technical Advisory
Committee and other stakeholders in the watershed has developed a TMDL implementation plan
to address nonpoint sources of phosphorous in the Robeson Creek watershed. As part of the
implementation plan, NCSU performed a watershed assessment to refine identification of
pollutant types and sources as well as critical areas for implementing Best Management Practices
(BMP’s) at the subwatershed level.