Decision-support tools for the Saint-Régis River

Major and complementary adaptation projects

What is it? 

Up until May 2023, OBV SCABRIC and its partners have developed decision-making tools, trained municipalities and made the adaptation process visible throughout the Saint-Régis watershed. Participants agreed on the problems experienced on the territory: erosion, flooding and water scarcity. These current problems will be amplified by climate change. From 2017 to 2020, they have collectively developed a long-term action plan that meets the expectations of all participants. A major ten-year funding drive is now underway. The avant-garde mobilization process is intended to serve as an example to inspire similar initiatives elsewhere.

What do we do? 
  • Lasalle | NHC has developed a watershed-scale hydraulic and hydrodynamic model that integrates agricultural and urban surface water, groundwater and climate change. Scenarios were generated from this model.
  • ÉTS organized a multi-criteria assessment based on community participation and the results of the scenarios derived from the model developed. The result was the identification of success indicators, associated with environmental, social, economic and technical dimensions, that correspond to the community’s wishes and leave room for flexibility in the intervention method.
OBV SCABRIC is responsible for: 
  • Keeping participants engaged;
  • Establishing new partnerships;
  • Promoting the means available to municipalities and citizens for better water management;
  • Raising the project’s profile locally, in the Montérégie region and elsewhere in Quebec and Canada.
What are the best practices for better water management? 

1. Managing runoff water

A self-diagnostic provided by ROBVQ is completed by municipalities to highlight good and bad practices in territorial planning at the agricultural, forestry and urban levels with a focus on Gestion Des Eaux Pluviales – GDEP. This makes it easier to apply targeted changes to improve stormwater retention and reduce the risk of flooding, drought and erosion.

2. Don’t waste drinking water

The drinking water supply network is tested using a tool developed by the American WaterWorks Association (AWWA) to analyze network vulnerabilities. This method makes stakeholders aware of the problems and possible solutions to guarantee a sustainable supply for their citizens.

3. Leaving room for rivers

Stakeholders and land-use planners need to be given a detailed explanation of the concept of “free space” or “functional space”, to enable the river to regain its natural, perennial form. The additional space granted to the river enhances its value and facilitates its reappropriation by citizens, while greatly reducing the frequency and intensity of droughts, floods and erosion.

informations-scabric

For more information!

Contact our project managers at projet@scabric.ca.

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