Install a belowground or aboveground tank, filters, diverters, pumps, strainers and many other options for rainwater harvesting. About Make-Way We have a network of qualified contractors in Ontario to ensure that your septic system is installed properly. We work with qualified designers, engineers and specialists to solve any wastewater and sewage issue that you may have. Make-Way Environmental Technologies Inc. is the Ontario representative for the System O)) Septic Systems, GRAF Stormwater Management & Rainwater harvesting systems, and the Make-Way Soil Separator filter cloth. For more information for residential or commercial systems, please contact us at 1-866-625-3929 or email itech@makeway.ca