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Nonpoint Source Water Pollution

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Lambs Creek Watershed TMDL


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Location

The Lambs Creek Watershed is located in central Indiana, draining approximately 32.5 square miles in Morgan County. Major streams included in the Total Maximum Daily Load (TMDL) report are Lambs Creek and Goose Creek.

History

A comprehensive survey of the Lambs Creek watershed was conducted by Indiana Department of Environmental Management (IDEM) from June 1, 2001, to July 2, 2001. The primary cause of impairment is Escherichia coli bacteria (E. coli). 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.

Pollutants Addressed

TMDLs for the Lambs Creek Watershed are established for E. coli and will address three impairments. Some of the recommended solutions to address the impairments include storm water controls, point source controls, manure management and habitat improvements.

Timeline

A kickoff TMDL meeting was held on August 30, 2004 at the Morgan County Public Library, 110 South Jefferson Street, Martinsville, Indiana starting at 6:00 p.m.

A draft TMDL meeting was held on August 17, 2005, at the Morgan County Soil & Water Conservation District, 1328 Morton Avenue, Martinsville, Indiana starting at 6:00 p.m.

The 30-day public comment period for the draft Lambs Creek Watershed TMDL began on August 10, 2005 and ended on September 12, 2005.

U.S. EPA under Section 303(d) of the Clean Water Act approved the Lambs Creek Watershed TMDL report on March 1, 2006 for three 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.

The TMDL Report