Please read these terms carefully before using our service.
Last updated: December 6, 2025
By accessing and using the Zanzibar Water and Wastewater Information System (ZanWWIS), you accept and agree to be bound by the terms and provision of this agreement. If you do not agree to abide by the above, please do not use this service.
The data provided on this portal is intended for informational, planning, and educational purposes. You agree to use the data responsibly and to cite ZanWWIS as the source in any publications or products derived from the data. You may not use this site for any unlawful purpose.
The site and its original content, features, and functionality are owned by the Government of Zanzibar and are protected by international copyright, trademark, and other intellectual property laws. Data provided by partner organizations remains their intellectual property.
If you create an account on ZanWWIS, you are responsible for maintaining the security of your account and for all activities that occur under the account. You must immediately notify us of any unauthorized uses of your account or any other breaches of security.
We may terminate or suspend your access to our service immediately, without prior notice or liability, for any reason whatsoever, including without limitation if you breach the Terms.
These Terms shall be governed and construed in accordance with the laws of Zanzibar and the United Republic of Tanzania, without regard to its conflict of law provisions.
We reserve the right, at our sole discretion, to modify or replace these Terms at any time. We will provide notice of any changes by posting the new Terms on this site.
If you have any questions about these Terms, please contact us via our Contact Page.