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)

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.