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Trent-Severn Waterway National Historic Site of Canada

Environmental Impact

Environmental Assessment for the Recapitalization of Dam at Lock 37

This project triggered the need for a Screening level Environmental Assessment (EA) under the Canadian Environmental Assessment Act. The process was initiated when the project was placed on the Canadian Environmental Assessment Registry (CEAR) on June 7, 2006, and assigned CEAR Number 06-01-19406.

The Parks Canada Agency was identified as the Federal Environmental Assessment Coordinator (FEAC) and lead Responsible Authority (RA). Other RAs for the EA include Fisheries and Oceans Canada and Transport Canada.

The EA considered the purpose and need for the project, as well as alternative methods of accomplishing the project. Reconstruction of the dam in place was identified as the preferred alternative because it would have the least impact on both aquatic and terrestrial ecosystems, would best satisfy the requirements in Parks Canada’s Commemorative Integrity Statement and had the lowest practical cost associated with it.

The environmental assessment considered all activities associated with the project, and their potential to negatively impact both natural and cultural heritage features and the socio-economic profile of the community. A variety of sources were consulted for input into all components of the EA, and a consulting firm was contracted to undertake a study and produce a report on the existing conditions of the terrestrial ecosystems associated with the project. The report included recommendations to reduce the potential for the project to negatively impact the ecosystem. Agency and public consultation were also an important part of the process. Potential negative and cumulative effects of the project on all areas of concern were identified.

Taking under consideration all potential negative and cumulative effects of the project, mitigating measures were designed to ensure that the project be undertaken in such a way that effects will be minimized or eliminated. The mitigating measures will be implemented throughout the construction process, and until the site has been stabilized and restored following completion of construction.

A copy of the Environmental Assessment is available for viewing at the Northern Sector Office located at 2023 Kirkfield Road, Kirkfield Ontario, or at the Trent-Severn Waterway Headquarters located in Peterborough Ontario at 2155 Ashburnham Drive.