Nicholas Kollias began his career at MWRD as an Aquatic Biologist in the Aquatic Ecology Section in 2010. During that time, he has acted as the Project leader for the Ambient Water Quality Monitoring Program and Whole Effluent Toxicity Testing Program to ensure the District remains compliant with NPDES permit requirements. Nick has conducted numerous biological field surveys consisting of electrofishing, sediment and invertebrate sample collections, and habitat assessments. Nick has assisted on research projects, including a large scale collaborative study which assessed concentrations of endocrine active compounds and their reproductive impacts on fish populations in the Chicago area waterways. He also supported the Chicago River Microbiome project collaboration with Argonne National Laboratory and the District’s Phosphorus Assessment and Reduction Plan (PARP).