WATER QUALITY ANALYSIS OF THE CHEDOKE WATERSHED Research completed by students of Redeemer University HAMILTON WATERSHEDS HAMILTON http://www.hiea.org/presentations/HHWSP-Presentation-to-Sep-2012.pdf PROJECT INTRODUCTION PROJECT A TEAM EFFORT 2012 2015 2018 2020 Water Monitoring Expanded Participated Water Monitoring in Chemistry Summer in CityLab in Environmental Course Monitoring Science Course CHEDOKE SITES SAMPLING WATERSHED Scenic Falls Princess Falls Mountview Falls Westcliff Falls Cliffview Falls Chedoke Falls Cootes Paradise SAMPLING SITES SAMPLING MOUNTVIEW CLIFFVIEW PRINCESS FALLS FALLS POINT WESTCLIFFE CHEDOKE PRINCESS SCENIC FALLS FALLS FALLS FALLS TRENDS NITRATE RESULTS Scenic Falls Princess Falls Mountview Falls Westcliffe Falls TRENDS Cliffview Falls Chedoke Creek Princess Point TRENDS PHOSPHATE RESULTS Scenic Falls Princess Falls Mountview Falls Westcliffe Falls Cliffview Falls Chedoke Creek Princess Point TRENDS E.COLI RESULTS Scenic Falls Princess Falls Mountview Falls Westcliffe Falls Cliffview Falls Chedoke Creek Princess Point *recreational limit is 200 CFU/100 mL MICROBIAL RESULTS SOURCE TRACKING NOV. 3, 2020 Microbial Source Our data suggest that Tracking allows us to human sewage is determine the source of widespread fecal contamination CONCLUSIONS ● More urbanized sites are more contaminated than our site in Iroquois Heights ● Several sites improved prior to 2018 (while city was repairing cross-connections) ● Microbial Source Tracking confirms presence of human sewage ● Phosphate concentrations have increased since 2018 (when phosphate was added to address lead) ACKNOWLEDGEMENTS.