SUNY Oneonta 1 article published in JoVE Environment Wastewater Irrigation Impacts on Soil Hydraulic Conductivity: Coupled Field Sampling and Laboratory Determination of Saturated Hydraulic Conductivity Jack E. Watson1, Tyson Robb2, Danielle Andrews-Brown3, Melissa Miller1 1Department of Ecosystem Science and Management, Pennsylvania State University, 2Department of Geography and Environmental Sustainability, State University of New York, Oneonta, 3Department of Geology and Environmental Science, University of Pittsburgh Here we present a methodology which matches a soil sample size and a hydraulic conductivity measurement device to prevent the so-called wall flow along the inside of the soil container from being erroneously included in water flow measurements. Its use is demonstrated with samples collected from a wastewater irrigation site.