Benthic-invertebrate and streambed-sediment data for the White River and its tributaries in and near Indianapolis, Indiana, 1994–96

Data were collected in the White River and its tributaries in and near Indianapolis, Indiana, on the diversity and density of benthic invertebrates; concentrations of metals, insecticides, herbicides, and semivolatile organic compounds sorbed on streambed sediments; and particle-size distribution of streambed sediments. A total of 369 benthic-invertebrate samples were collected at 21 sites during late spring or summer and early fall 1994 through 1996; of these, 30 were quality-control samples. A total of 33 streambed-sediment samples were collected at 14 sites during August 1994, 1995, and 1996; of these, 10 were quality-control samples.