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The Busseron Creek Watershed is located in southwestern Indiana, draining approximately 235 square miles in Vigo, Clay, Sullivan and Green counties. Major streams included in the Total Maximum Daily Load (TMDL) report are Busseron Creek, Sulpher Creek, Buck Creek, Kettle Creek, Mud Creek, Big Branch and Buttermilk Creek.
A comprehensive survey of the Busseron Creek Watershed was conducted by Indiana Department of Environmental Management (IDEM) in 2006 and 2007. The primary cause of impairment is Impaired Biotic Community (IBC). Pollution sources in the watershed include nonpoint sources from agriculture and pastures, land application of manure and urban and rural run-off, as well as point sources from straight pipe discharges, home sewage treatment system disposal and combined sewer overflow outlets.
TMDLs for the Busseron Creek Watershed are established for total aluminum, total copper, total iron, total manganese, total suspended solids, total phosphorus, dissolved oxygen, pH and total zinc and will address 30 impairments. Some of the recommended solutions to address the impairments include storm water controls, point source controls, manure management and habitat improvements.
A kickoff meeting was held at the Sullivan County Public Library on March 14, 2007 during which IDEM and Tetra Tech described the TMDL Program and provided a summary of the available data and the proposed modeling approach.
A draft TMDL meeting was held at the Sullivan County 4-H Fairgrounds meeting room on January 31, 2008 during which IDEM and Tetra Tech described the TMDL Program and provided an overview of the draft TMDL results.
An initial comment period began January 23, 2008 and ended March 5, 2008. The second comment period for the revised draft TMDL was held from June 16, 2008 to July 16, 2008.
The Busseron Creek Watershed TMDL is currently in draft for 30 impairments. TMDL reports identify and evaluate water quality problems in impaired water bodies and propose solutions to bring those waters into attainment with water quality standards.