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.


IADC launches new corporate video

In this corporate video, IADC informs people about the importance and relevance of dredging, the IADC and its members and its activities.

18 September

Video: Experiences and insights about the book Dredging for Sustainable Infrastructure

Professor Stefan Aarninkhof shares his experiences and insights about the book “Dredging for Sustainable Infrastructure”

01 September

IADC appoints new editor for Terra et Aqua

Hanneke Teunissen has been appointed as the new editor of Terra et Aqua, the quarterly journal founded in 1972 by IADC.

01 September

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.

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
Seminar on Dredging and Reclamation
Jan 11 - 15
Location Delft, The Netherlands
Period 5 days
Date 11 - 15 January 2021
Level No prior knowledge required
Singapore hosts IADC Seminar on Dredging and Reclamation in March 2021
Mar 22 - 26
Location Singapore
Period 5 days
Date 22 - 26 March 2021
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 September 2020
Monitoring of settling and consolidation of mud after water injection dredging in the Calandkanaal

As regular maintenance and relocation of sediment deposits are highly expensive, Port authorities seek more efficient solutions for reducing the costs and CO2 emissions of maintenance dredging. One solution, water injection dredging (WID), is carried out for maintaining the sediment deposits which predominantly consist of clay and silt. WID has been proven to be a cheaper solution by leaving the sediment in place, eliminating substantial costs for relocation of the dredged sediment.

Interview: Panama Canal’s deputy administrator Ilya Espino de Marotta

Armed with degrees in both Marine Engineering and Engineering Economics as well as 35 years – and counting – of experience at the Panama Canal Authority, Ilya Espino de Marotta has blasted through the glass ceiling wearing a pink hard hat. Amongst the diverse roles she has under her belt, ranging from Marine Engineer in the shipyard to Vice President for Transit Business, Ilya has notably led the Canal’s expansion as head engineer and now oversees operations from the second highest position at the authority.

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Dec 01 - 02
Course ‘Dredging for Sustainable Infrastructure’

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

Jan 11 - 15
Seminar on Dredging and Reclamation

11/01/2021 - 15/01/2021 | Delft, The Netherlands