IADC stands for the 'International Association of Dredging Companies' and is the global umbrella organisation for contractors in the private dredging industry. IADC has over a hundred main and associated members. Together they represent the forefront of the dredging industry.


All you need to know about Environmental Monitoring

The new Facts About Environmental Monitoring is now available in the IADC Knowledge Centre.

20 April

Out now: Terra et Aqua #158

The first issue of 2020 discusses protective sand, compacted grains and a contract selector.

31 March

IADC’s statement on COVID-19 outbreak

Update 24 April – Events June will be moved

25 March

More news


Watch IADC's corporate video.

Seminars & Courses

To optimise the chances of the successful completion of a project, contracting parties should, from the start, fully understand the requirements of a dredging project. IADC’s seminar strives to provide an understanding of the basics of dredging through lectures and workshops which are given by industry experts in a classroom setting for a hands-on experience.

Seminar on Dredging and Reclamation
Sep 07 - 11
Location Delft, The Netherlands
Period 5 days
Date 07 - 11 September 2020
Level No prior knowledge required
Singapore hosts IADC Seminar on Dredging and Reclamation in October 2020
Oct 05 - 09
Location Singapore
Period 5 days
Date 05 - 09 October 2020
Level No prior knowledge required
Course ‘Dredging for Sustainable Infrastructure’
Dec 01 - 02
Location Van der Valk Hotel Den Haag, Nootdorp, The Netherlands
Period 2 days
Date 01 - 02 December 2020
Level No prior knowledge required


Dredging in Figures 2018

Dredging in Figures is an annual review of the global dredging market.

DOWNLOAD PDF Document | 6,62 MB

Annual Report 2018

In this “Annual Report” the Board gives an overview of the state of affairs of IADC and its activities in 2018.

DOWNLOAD PDF Document | 942,07 KB


IADC has over a hundred main and associated members.

Latest issue

Terra et Aqua is a quarterly publication which aims to disseminate knowledge accrued by global dredging professionals as well as solutions to issues facing the industry. Issues of Terra et Aqua feature articles covering dredging projects as well as the topics of safety, socio-economics, technical innovations and the environment.


Published March 2020
Managing risks: how to select the appropriate dredging contract

Contracts for dredging and offshore works are diverse. Moreover, increasing financial and/or managerial constraints require contracting parties to change the apportionment of commercial risk. Contractors and suppliers have to adapt to contracts that are chosen unilaterally by the owner. Turnkey and engineering, procurement, and construction (EPC) contracts are becoming more common in the industry and bring their own benefits and challenges.

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Sep 07 - 11
Seminar on Dredging and Reclamation

07/09/2020 - 11/09/2020 | Delft, The Netherlands

Dec 01 - 02
Course ‘Dredging for Sustainable Infrastructure’

01/12/2020 - 02/12/2020 | Van der Valk Hotel Den Haag, Nootdorp, The Netherlands