Peel Region Channel Remediation
Strategy:
Turning them back into Streams
Etobicoke-Mimico Coalition Dec 5, 2013
Spring Creek Subwatershed
–
Pilot Project
Project Activities to Date
• Flood Risk Modelling
– candidate sites
• Categories of Interest
• Metrics, Analyses,
Ranking
• Matrix - Weighted
• Priority Sites and
Reaches for Spring
Creek
Categories of Interest
Weight
Categories of Interest
•Terrestrialygfggthtt
Habitat Connectivity: Contributing to TNHSS
objectives, biodiversity goals, and consistency with
principles used to develop stream crossing guidelines.
Forest Health: Achieving a suite of natural infrastructure
objectives, including urban forest targets and human well
being.
Instream Ecology: Increasing the benefits to the fish
community.
Restoration Opportunity Planning: Identifying multiple
benefits and feasibilty of implementation
Urban Non-Urban
5
17
5
17
5
17
5
17
Flexibilty of Design: Considering the site conditions that
allow for natural channel design to have least impacts
related to water level changes
20
5
Infrastructure Risk: Examining areas that are in need of
repair; and relative location to critical infrastructure
20
5
20
5
20
17
100
100
Public Use: Increasing the value and safety of the stream
to the local community
Coordination with Municipal Capital Works: Increasing
potential to fund projects and minimizing neighbourhood
disruption.
Total
• Metrics
• Ranking 1-5
Next Steps
• Technical Steering Committee Endorsement
– Meeting December 10, 2013
• Fluvial Geomorphic Assessment – Spring 2014
– Reach B
– Detailed Design Guidance
– Informing opportunities between sites
• First Project in Spring Creek
– TRCA will likely lead in 2014
• Challenges Facing Many Sites
– Channel Design – narrow, infrastructure
– Public and Political Support
– Funding
Thank You!
Christine Tu, Senior Aquatic Ecologist, Research & Development
ctu@trca.on.ca
Site 7 Conditions