Modelling the performance of a stormwater treatment train in a residential subdivision

Table of Contents Introduction This report presents the outcomes of a calibrated stormwater management model (SWMM) that represents a residential subdivision with a low impact development treatment train and a downstream stormwater management wet pond. It includes a discussion of essential parameters and methods for stormwater modelling in future designs. This model was developed using […]

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Beaver Management within Stormwater Management Features

Prepared By: Lake Simcoe Region Conservation Authority (LSRCA) Introduction The beaver is the largest rodent in North America, with the average adult weighing from 16 to 32 kg and measuring up to 1.3 m long. A beaver’s life is inextricably connected to cutting trees—for sustenance and for habitation. In nature, beaver activity plays an important ecological […]

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Replacement of Air-Conditioners with Cold-Climate Air-Source Heat Pumps: Pilot Project Findings in The Region of Peel

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Prepared by The Sustainable Technologies Evaluation Program (STEP) July 2024 Contact Information: step@trca.ca Executive Summary  Background  Climate change is an existential threat. It is driven by carbon emissions from human activities. In the Greater Toronto and Hamilton Area (GTHA), buildings are the largest carbon emitters due to fossil fuels like natural gas that are used […]

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SWM Pond FAQ

What are your thoughts on life rings and life safety stations at these ponds? Answer Some municipalities adopt a standard policy. My opinion is it’s a judgment call per site and that if you see you have permanent pool, you see steep embankments for whatever reason, there you can make the call that there’s a […]

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Case Study: Evaluating the performance of different winter maintenance products on permeable and conventional asphalt.

Background Credit Valley Conservation’s (CVC) head office is part of the Meadowvale Conservation Area, adjacent to the Credit River (Figure 1). During winter, salt is applied to the entrance driveway, parking lots, and sidewalks to keep staff and visitors safe and minimize slip and fall incidents. However, chloride (the main ingredient of winter salt) contaminates […]

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Case Study 8: Cold-Climate Hybrid Air-Source Heat Pump

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Published Online January 2024 Executive Summary Erik Janssen, a Research Scientist with the Sustainable Technologies Evaluation Program, shares his year-long experience with an air-source heat pump (ASHP) for space heating and cooling, alongside a heat pump water heater (HPWH) for domestic hot water, in his 3-bedroom townhome. Living in Mississauga with a family of four, […]

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Aggregation Methodology for Communal Stormwater Management Retrofits on Private Property

Prepared By: Credit Valley Conservation (CVC), Scheckenberger and Associates Ltd., and WSP E&I Canada Ltd. January 2024 Executive Summary Implementation of traditional end of pipe stormwater management systems, while effective and practical in newer greenfield developments, tends to be more complex in the existing urbanized areas which constitute the majority of development in municipalities. Stormwater […]

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Drainage Act Report: Southdown Drain

Prepared By: Credit Valley Conservation (CVC) and K. Smart Associates Ltd. December 2023 Executive Summary This report provides an example application of the Drainage Act, R.S.O. 1990 (Drainage Act) for creation of a communal stormwater system using low impact development components retrofitted on private properties in an existing 37.4 hectare industrial/commercial catchment in Mississauga’s Southdown […]

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London Residential Smart Hybrid Heating Pilot: System Performance Analysis

Prepared By: The Sustainable Technologies Evaluation Program (STEP) of the Toronto and Region Conservation Authority (TRCA) December 2023 Contact Information: step@trca.ca Executive Summary This report provides performance analysis results from eight homes participating in the smart hybrid heating pilot conducted in London, ON, by Enbridge Gas Inc. and London Hydro. The full pilot consisted of […]

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Home Heat Pump Case Study 7: Air-Source Heat Pump with an Existing Furnace

Published Online October 2023 Summary If your home has an aging central A/C unit, there is an option that can provide you with much more value than simply replacing it with a new A/C unit. It is possible to save on utility bills, increase your comfort, make your home more eco-friendly, and not pay any […]

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