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Sampling for contaminants of emerging concern, Fourmile Cr., Iowa

Detailed Description

Pictures are taken in Fourmile Creek, Ankeny, Iowa; left to right: 1) Measuring dissolved oxygen in Fourmile Creek, 2) Macroinvertebrate hatch traps deployed in Fourmile Creek to assess CEC in emergent insects, 3) Installation of piezometers to assess pharmaceuticals and other CEC in groundwater and surface water at Fourmile Creek, and 4) Piezometer network at Fourmile Creek, with wastewater treatment facility outfall in background.