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Nonpoint Source Water Pollution

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Kokomo Creek Watershed TMDL


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Location

The Kokomo Creek Watershed is located in central Indiana, draining approximately 36 square miles in Howard and Tipton counties. Major streams included in the Total Maximum Daily Load (TMDL) report are Kokomo Creek and unnamed tributaries to Kokomo Creek.

History

A comprehensive survey of the Kokomo Creek Watershed was conducted by Indiana Department of Environmental Management (IDEM) in July 1998 and September 1998. The primary causes of impairment are dissolved oxygen (DO) and ammonia. 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 Kokomo Creek Watershed are established for dissolved oxygen (DO) and ammonia and will address two impairments. Some of the recommended solutions to address the impairments include storm water controls, point source controls, manure management and habitat improvements.

Timeline

Two kickoff meetings were held. The first meeting was held on December 21, 1999 at the Kokomo Government Center. The second meeting was held on February 16, 2000 at the Taylor Township Volunteer Fire Department community room.

A draft TMDL meeting was held on November 8, 2000 at the Taylor Township Volunteer Fire Department.

The 30-day public comment period for the draft Kokomo Creek Watershed TMDL began on November 10, 2000 and ended on December 11, 2000.

U.S. EPA under Section 303(d) of the Clean Water Act approved the Kokomo Creek Watershed TMDL report on March 5, 2001 for two 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