Subwatershed-Wide Environmental Compliance Approval (ECA) Pilot Project for Stormwater Infrastructure

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June 11, 2020 @ 10:00 am – 11:00 am America/Toronto Timezone
Online Webinar
$15 - $30
Victoria Kring

This webinar will focus on how establishing a subwatershed-scale stormwater ECA will enhance transparency, collaboration, and adaptive management of the receiving system among all parties.

This webinar is being offered as part of the TRIECA 2020 Webinar Series.  

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Presentation Overview:

The Dingman Creek Subwatershed (DCS) in London, Ontario will face significant development pressures in the next 20 years.

The original stormwater management (SWM) servicing strategy recommended 12 new traditional SWM wet ponds. The City of London initiated the DCS Municipal Class Environmental Assessment (EA) process to re-evaluate SWM through incorporating Low Impact Development.

As part of the EA study, the municipality worked with the MECP to create a single subwatershed-wide stormwater Environmental Compliance Approval (ECA) for existing and preapproved stormwater works. The ECA is built upon an adaptive framework to create a more resilient system.

The approval, combined with data analytics (via subwatershed monitoring), facilitates improved long-term performance of the stormwater system to address watershed needs, supports measures to adapt to a changing climate, and assists the City in leveraging limited resources more efficiently.

The project supports existing legislation and evolving policies from the Ministry of the Environment, Conservation and Parks (MECP) and other ministries that protect the environment while reducing the burden by issuing a single ECA.

A key component to the ECA has been the development of ‘live’ data sharing between the City and its partners at the Upper Thames River Conservation Authority (UTRCA) and MECP.

This presentation will focus on how establishing a subwatershed-scale stormwater ECA will enhance transparency, collaboration, and adaptive management of the receiving system among all parties.

Learning Objectives:

  • Understand how components of a comprehensive Environmental Compliance Approval can provide accountability for municipalities while recognizing the need for flexibility when managing natural water resources systems.
  • Learn about the relationship between Municipalities and Conservation Authorities in the role of planning, constructing, and maintaining stormwater infrastructure and how we can find efficiencies to work together towards mutual goals.
  • Learn how municipalities can implement an adaptive management approach to stormwater infrastructure planning, implementation, and maintenance.


Shawna Chambers, City of London

Additional information:

IECA and Landscape Ontario members are eligible for discounts. To register at this discounted price, please contact Victoria Kring at and provide your member ID for membership confirmation.

Are you viewing this webinar with a group? You can add additional viewing attendees to your order, provided you are all viewing in the same location. Additional attendees qualify for a reduced registration fee of only $15!

If you have any additional questions, please contact Victoria Kring at

TRCA HST Registration number is 10808 8584 RT001

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