It looks like you're in . Would you like to see relevant content?

Studies on eel migration and behaviour at Carillon dam 

Carillon, Quebec, Canada

Filter projects by:

Market

  • Cities

  • Commercial & Residential

    Mixed Use

  • Education

    Colleges & Universities

    Schools

  • Energy

    Carbon capture, utilization and storage

    Geothermal

    Grid Modernization

    Hydroelectricity

    Hydrogen

    Microgrids and energy storage

    Nuclear Energy

    Offshore wind

    Portfolio Decarbonization and Climate Resilience

    Solar

    Transportation decarbonization

  • Governments

  • Healthcare

    Clinical Hospital

    Life Sciences

    Senior Living

  • Industrial

    Agriculture, Food & Beverage

    Automotive & Heavy Equipment & Machinery

    Manufacturing

    Mining & Metals

    Pharmaceutical/Specialty Chemicals

    Pulp & Paper

  • Justice

  • Leisure

    Themed Entertainment and Mixed-Use

  • Oil, Gas & Chemicals

    Chemical/Petrochemical

    Downstream

    Midstream

    Upstream

  • Sports and Venues

  • Transportation

    Aviation

    Bridges

    Freight Rail

    Highways & Roads

    Intelligent Transportation Systems

    Mass Transit

    Ports & Marine

    Tunnels

  • Water

    Dams & Hydropower

    Flood and coastal resilience

    Industrial Water

    Municipal Water

    Tunnels, Conveyance, Collection & Distribution

    Wastewater Treatment & Reuse

    Water Treatment

    Watershed and Ecosystem Management

Service

  • Alternative Delivery Models

  • Architecture and Design

    Architecture

    Urbanism + Planning

  • Asset Management

  • Cities Solutions

  • Construction Management

  • Cost Management

  • Economics

  • Engineering

  • Environmental Services

    Air Quality Consulting and Engineering

    Climate Adaptation

    EHS Management Consulting and Compliance

    Environmental/Social Impact Assessment and Permitting

    Management Information Systems (MIS)

    Remediation, Restoration and Redevelopment

  • Fish Passage and Preservation 

  • Forestry, Geomatics and Remote Sensing

  • Geotechnical Services

  • International Development

  • IT and Cybersecurity

  • Mobilitics

  • Multinational Investment and Development

  • Operations and Maintenance

  • Pedestrian Modelling (North America)

  • Planning and Consulting

    Geospatial Services

  • Process Development & Implementation

  • Program Management

  • Public-Private Partnerships

  • Strategic Consulting

The Carillon dam, operated by Hydro-Québec, is the first obstacle encountered by migrating juvenile eels on their way up the Ottawa River, upstream of the Lake Deux-Montagnes. Similar to Beauharnois, a lock adjacent to the power station is the only possible migration route in the area. 

In 2001 and 2010, AECOM was commissioned to assess the abundance of juvenile eels at the foot of the power station and to describe the upstream behavior of these fish. To achieve this, eel traps, made with AECOM climbing substrate, were installed below the dam and captured eels were tagged with an electronic tag (PIT tag) so they could be monitored. 

AECOM returned in 2021 to assess the density of migrating juvenile eels and the extent of their movements downstream of the dam, as well as locating eel concentration sites using the same methods used in previous studies.  

In 2023, AECOM was again selected to carry out a behavioral assessment using telemetry. Fifty juvenile eels were captured using eel traps, fyke nets and electrofishing downstream of the power station. Captured eels were then fitted with an acoustic transmitter and a PIT tag before they were released. A network of 34 acoustic receivers deployed downstream of the power station enabled movements to be tracked. 

The following tasks were performed to deliver these projects:

  • Fabrication and installation of eel traps
  • Installation of fishing gear and electrofishing
  • Development of a tagging protocol, in collaboration with MELCCFP and Carleton University
  • Tagging eels with PIT tags and surgically implanting acoustic transmitters
  • Morphometric measurements of eels
  • Deployment of acoustic receivers and analysis of collected data
  • Collection of temperature and luminosity data
  • Drafting of study report

In 2020 Milieu Inc. was purchased by AECOM. Key staff and expertise were retained and this project is presented as a combined expertise through time.