Nonlinear weirs are attractive to practitioners as in some cases they provide a hydro-economical solution for new and rehabilitation projects. To academia, they remain a topic of interest due to a combination of the complex flow patterns they generate and the wide range of relevant geometries and application scenarios in rivers, dams, and other water resources applications with research topics including discharge efficiency, aeration, energy dissipation, local scour, driftwood and ice, and flow instabilities.

Following three editions held in Europe and Asia (Liège, Belgium in 2011; Paris, France in 2013 and Qui Nhon, Vietnam in 2017), the 4th international workshop on Labyrinth and PKW moves to the United States, where several labyrinth and PKW prototypes coexist. As for the three previous editions, the workshop aims at bringing together people with varied background (engineers, researchers,...) to present and summarize the latest knowledge and developments on these non conventional hydraulic structures.

Special emphasis will be put on planned and existing projects, data from real structures operation but also latest research developments. High level papers selected by the International Scientific Committee and presented during the workshop will be published in a hard cover book before the conference. The workshop environment would be friendly, cooperative and non-competitive with a priority on information quality and knowledge exchange.

Download the brochure

See the website of the event

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Event: 3rd International Conference on Dam Safety Management and Engineering (ICDSME2025)

Date: 4–7 November 2025
Venue: Pullman Hotel, Kuching, Sarawak
 

Theme: Dam Safety: Energy Transition & Water Transformation

About the Conference:

ICDSME2025 aims to bring together leading professionals, industry experts, academics, and scientists from around the globe to discuss and share insights on dam safety management, emerging technological advancements, and sustainable practices in the sector. The conference will feature keynote and parallel sessions, training workshops, exhibitions, and technical tours, providing a comprehensive platform for knowledge exchange and networking.

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Dams and Sustainability

Committee T of ICOLD has planned a series of webinars dedicated to the sustainability of dams in their full life cycle. The first webinar aimed to define the content and what should be addressed in the development of future work. The video of this Webinar#1 is now available here.

DAMS & SUSTAINABILITY ICOLD Webinar #1 - 29/05/2024

PROGRAM

• Webinar presentation Michel Lino (President of ICOLD)
• Introduction. Objectives & Purpose Luc Deroo (ICOLD TC-T) Francisco Ortega (ICOLD TC-P)
• The framework: SDGs Francisco Ortega (ICOLD TC-P)
• Dams and the environment (social and ecological aspects beyond CHG) Peter Amos (ICOLD TC-G)
• The sustainability of concrete dams Marco Conrad (ICOLD TC-D)
• The LCA method. An example Joachim Verdier (Lhoist Group)
• Accounting externalities and short/long term analysis Lamis Aljounaidi (PIA)
• Various levels of ambition, perimeters and metrics Luc Deroo (ICOLD TC-T)
• Q&A Session
• Moderation Steve Usher (HP&D)

Webinar #2 just released - 07 May 2025

This second Webinar is intended to introduce the general principles of a Life Cycle Sustainability Assessment (LCSA) methodology. The LCSA comprises not only environmental LCA, but also social and economic life cycle cost assessment. ICOLD has invited a distinguished group of experts to present the key components of the LCSA and examples of how it is applied in other sectors, with the aim of adapting it to dams and reservoirs.

The webinar features the following presentations:

• Webinar presentation - Luc Deroo & Francisco Ortega (TC-T of ICOLD)
• General introduction to LCSA with a focus on dam-specific aspects - Sonia Valdivia (World Resources Forum)
• Sustainability criteria from the perspective of funding institutions - Nicholas Zmijewski (World Bank)
• Tools and methods of the Hydropower Sustainability Standard (HSS) that are applicable to dams and reservoirs - Kimberly Lyon (World Bank / HSA Council Chair)
• Sustainability framework for earthworks - Jean-Pierre Magnan (EU Working Group on Sustainable Earthworks)
• Life cycle cost assessment of dams - Alena Raymond (AmSpec)
• Biodiversity footprint and LCA: Case studies and analyses - Bonaventure Fontanier (EDF)
• Social Life Cycle Assessment (S-LCA): An example from the mining sector - Isabel Wolf (Technical University of Berlin)

!! NEW !! Webinar #3- GHG Emissions from Dams & Reservoirs

November 20, 2025 1pm - 3pm (CET) Free event

To pre-register, please send an email with your name, country and affiliation to dams.sustainability@icold-cigb.org

This Webinar #3 will focus on calculating greenhouse gas (GHG) emissions throughout the life cycle of dams. GHG emissions are the main cause of global climate change. Researching and calculating GHG emissions is essential to identifying potential areas for emissions reduction in all human activities, including dams. ICOLD has invited a distinguished group of speakers to present this important topic, beginning with a general introduction and then moving on to more specific aspects related to GHG emissions associated with dams and reservoirs.

View the flyer

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94th Annual Meeting   ICOLD Mexico 2026   21 to 29 May 2026   Guadalajara, Mexico

The ICOLD 2026 event will be held at the iconic Expo Guadalajara. This emblematic space, located in one of the most vibrant cities in Mexico, offers cutting-edge facilities that include large-capacity convention halls, spacious exhibition pavilions, an auditorium designed to accommodate thousands of attendees, and specific areas for holding cultural events.

Strategically located in the center of Guadalajara, the venue offers accessibility and comfort for both national and international attendees. Its modern facilities include VIP lounges, meeting areas with cutting-edge technology, five-star catering services and an underground parking lot with capacity for thousands of vehicles. This center is the ideal setting for an event of the magnitude of ICOLD 2026, prepared to welcome visitors with the hospitality and grandeur that Mexico has to offer at all times.

Symposium: Water, Energy, and Society: The Evolving Role of Dams in a Changing World

The International Commission on Large Dams (ICOLD) invites dam, levee, hydraulic structures, and water infrastructure professionals, engineers, planning, researchers, policymakers, and industry experts to submit abstracts for its 2026 International Symposium in Guadalajara, Mexico. The International Symposium is scheduled to be held on May 26 and May 27, 2026, as part of the ICOLD Annual Meeting.

The Call for abstracts is now available.

The abstract submission deadline is October 10, 2025.

You can find the call and submission form on the official website:

www.icoldmexico2026.com

Direct links:

call for abstracts

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