Cosby’s Septic & Excavating Services Ltd has specialized in residential and commercial wastewater disposal, new installations of septic systems, holding tanks and repairs since 1960. We have been providing this service through 3 generations. We are experts in our trade, Cosby Septic & Excavating not only has a vast knowledge of the business but we have the best equipment and staff available to get the job done right. We are Fully Licensed Septic/Holding Tank Installers, Designers, Inspectors and Pumpers. Our company operates from Sherkston, Ontario. Proudly serving The Niagara Region; Fort Erie, Port Colborne, Wainfleet, Welland, and Niagara Falls.