Terms of Use - Disclaimer

The use of this CIrcle website of Deltares (hereinafter called: “the Website”) is subject to the conditions set out below. By visiting and using the Website you declare that you are acquainted with these conditions and agree to them.

The Website has been composed by, or at any rate by order of, Stichting Deltares, with its registered office in Delft (2629 HV) and its principal place of business at Boussinesqweg 1 (hereinafter called: Deltares). Deltares is registered with the Chamber of Commerce and Industry under number 41146461. Other contact details are: telephone: + 31 (0)88 335 8273 ; fax: + 31 (0)88 335 8582 ; email: info@deltares.nl.

The Website is set up with the greatest possible care. The Website is, however, intended for informative purposes only. No rights may be derived from the information on the Website and the use of the Website is at your own expense and risk. Deltares does not guarantee that the Website is free of viruses and work without errors and/or interruptions. Deltares may amend the contents of the Website, including the provisions of these conditions at any time. Furthermore, the Website may contain links to websites of third parties. These links are selected with all possible care. However, Deltares cannot guarantee the contents and the functioning of the websites of third parties.

Unless stated differently, all intellectual property rights in connection with the Website, including the software, texts, images and sounds, are vested exclusively in Deltares, in its affiliates or its contractors. This means among other things that it is not permitted, without the prior, written permission of Deltares to make public, reproduce and/or modify the information of the Websites, except for personal, non-commercial use or in so far as otherwise permitted under mandatory law.

The Website may only be used for legitimate purposes, in a manner that cannot in any way (i) harm Deltares or (ii) infringe the rights and the enjoyment of use of third parties.

Deltares accepts no liability – for any reason whatsoever – for any form of damage (including property damage, financial loss as a result of material damage and pure financial loss) that follows in any way from the operation of and/or the use of (information on) the Website.

Netherlands law applies to the Website and also to these conditions.

Privacy statement / Cookies

Creating an account for the CIrcle website

When you create an account on this CIrcle website, we will record the login data, that is the email address and password you supply, for a period of one year after you log in for the last time. We will not use these personal data for any purposes other than delivering the functionalities indicated on this website. In addition, we record personal data for security purposes about the times you are logged in.


Deltares will process your personal data (referenced above) in accordance with the General Data Protection Regulation.

Your personal data will be kept only for as long as necessary for the purpose for which they have been collected. Deltares will not make your personal data available to third parties unless you have provided us with your explicit consent to do so, or if there is a legal obligation to do so.

To protect your personal data, Deltares has a policy for information security and privacy management. We implement effective technical and organizational measures, including a management system for information security that complies with the international standard (ISO 27001: 2013) and relevant legislation and regulations; continuous procedures to increase our ability to cope with cyberthreats; measures for data backup, system access, system integrity, virus checking, passwords and encryption, and an effective corporate crisis plan.

If you want to see your personal data we process, you can send us a written request to that effect. If some personal data prove not to be correct, we can correct them for you on your request. You can also ask us to limit the processing of your personal data or to delete your personal data. If you have given your consent, you can withdraw it at any time.

For example, if you have a complaint about the way in which Deltares processes your personal data, or if you object to our processing of your request for access, correction, restriction of processing or the deletion of your personal data, you can contact us using the information below. You can also submit your complaint to the Dutch Data Protection Authority.

If you have any questions about this privacy statement, about the processing of your personal data in general, or if you wish to access, modify or delete your data, please contact us at:

P.O. Box 177
2600 MH Delft
tel: +31 (0)88 335 8273 (between the hours of 8.00 and 17.30)
email: dataprotection@deltares.nl

Subscription to newsletter

Do you plan to subscribe to the CIrcle newsletter? In that case we will ask your permission to use your email address for sending you the CIrcle newsletter. We will not use your permission to use your email address for other purposes than sending you the CIrcle newsletter. We will not pass on your personal data to third parties and, if we wish to do so at any time, we will do so only with your consent. Every CIrcle newsletter will include a link for unsubscribing and you can un-subscribe in 'my account' if you have created a CIrcle account. If you unsubscribe from the newsletter, your email address will be removed from the relevant mailing list.