WHO'S ON FIRST? WHEN YOUR COMBINED SEWER OVERFLOWS (CSOs) DISCHARGE INTO A CREEK DESIGNATED AS A SUPERFUND SITE, HOW ARE CSO WATER QUALITY IMPACTS ASSESSED?—THE KOKOMO, INDIANA STORY
Abstract:Kokomo, Indiana, has 25 Combined Sewer Overflows (CSOs) that discharge into three separate streams pursuant to a newly issued NPDES permit. Two of the water bodies into which the CSOs discharge have been identified as Operating Units (OU) of the Continental Steel Superfund Site (CSSS) with pollutants of concern in the sediment consisting of heavy metals and organic chemicals. As a prerequisite to creating the CSO Long Term Control Plan (LTCP), the Indiana Department of Environmental Management (IDEM) required Kokomo to conduct a stream reach characterization and evaluation of each water body to: (1) assess the environmental impacts, if any, caused specifically by CSO discharges; (2) objectively establish a priority rank order by which CSOs will be addressed in the LTCP; and (3) to establish an in-situ baseline of the aquatic environment utilizing physical, biological, and chemical metrics to assess the future efficacy of a LTCP.
Document Type: Research Article
Publication date: January 1, 2002
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