Our 2022 STEP Webinar Series has launched!

Comprised of 21 FREE webinars by industry experts, focused on
green stormwater infrastructure, natural heritage and management
of natural assets

Back by popular demand!

The Low-Impact Development & Climate Resilience Professional
Certificate Program offered through McMaster University, and
delivered by STEP instructors, will be back again starting this fall!

Professional Development Training

Register today for training courses led by conservation authority staff members and industry professionals with experience designing, constructing, maintaining and monitoring sustainable technologies in Canada.

Click here for a message from CISEC Inc. regarding membership payment changes. Members of IECA, Landscape Ontario, and AORS are eligible for discounts on some courses.


thumb image

LID Treatment Train Tool Video Tutorial – Using impervious: pervious ratio guidance for sizing LIDs

Toronto and Region Conservation,  Credit Valley Conservation,  Lake Simcoe Region Conservation  2019   |   Presentations, Videos & Webcasts

   Project Page   Link


BioretentionGreen roofsLow impact developmentMulti-LID sitesPermeable pavementRainwater harvestingSoakaways, infiltration trenches and chambersSwales and ditchesWater resources engineering




Toronto and Region Conservation Authority (TRCA), in partnership with the Canadian Chapter of the International Erosion Control Association (IECA), is pleased to announce that recordings of all 31 webinars from the TRIECA 2020 Webinar Series are now available for purchase on the TRIECA website.