BORDA and BNS Network

BORDA advises and facilitates projects in the sectors of decentralised sanitation, wastewater treatment, water and energy supply, and solid waste disposal in Asia and Africa. Active for over 30 years, BORDA is part of a network of international research and development organisations.

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Basic Needs Services

Basic Needs Services (BNS) are directly linked to the UN's Millenium Development Goals and are in keeping with the objectives of climate protection of the Kyoto Protocol. They are actions geared towards improving living conditions for disadvantaged target groups.

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DEWATS Service Packages

BORDA strives to create sanitation solutions: DEWATS (Decentralised Wastewater Treatment Solutions) Service Packages include not simply the construction of this proven solution but a whole set of integrated measures, combined according to demand.

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BORDA is facilitating BNS development projects in Asia and Africa. Currently there are more than 20 project cooperation offices worldwide of partner organisations, accountable for planning and implementation of socialstructure development projects.

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News from BORDA South Asia

Weltwarts Exchange Program 2016-17

by Archana Merlin, 04.11.2016

CDD Society has been hosting fellows from Germany via the Weltwarts Exchange Program for the past 10 years. The Fellows spend a year at CDD Society working on different projects; practical experience from the projects helps...[more]

New Sanitation Challenges for BORDA South Asia in 2016

by BORDA South Asia, 14.09.2016

Keeping in mind the increased importance of sanitation for the current Indian government, especially in the area of Faecal Sludge Management (FSM), BORDA-South Asia has aligned its activities under the following themes for this...[more]

4th International Faecal Sludge Management (FSM4) Conference.

by Nithya Bharadwaj, CDD Society, 24.05.2016

4th International Faecal Sludge Management (FSM4) Conference to be held early 2017 in Chennai, India[more]


, 16.05.2016

April 25, 2015 was one of the darkest days in human history. An earthquake of severe intensity rattled the capital city Kathmandu, rendering more than a million homeless. The humanitarian devastation was attended by many...[more]

Going "weltwaerts" with BORDA 

Learning through active helping“ is the motto of the voluntary service program Weltwärts for young people between the ages of 18 and 28.

For those interested in volunteering in developing countries, the program offers a chance to acquire international experience, intercultural skills, and professional qualifications.

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CASS _ Centre for Advanced Sanitation Solutions 

CASS - Centre for Advanced Sanitation Solutions

In 2011, along with its partners Rajiv Gandhi Rural Housing Corporation Limited (RGRHCL) and Bremen Overseas Research and Development Association (BORDA), CDD Society established a Centre for Advanced Sanitation Solutions (CASS) to disseminate knowledge and promote sustainable sanitation solutions.



Mapping of Implementations 

In cooperation with Google Earth, BORDA shows an overview of their projects in South Asia, Southeast Asia and Southern Africa, SADC.

Read more and download regional files for an geographic survey of a range of BORDA projects.



DEWATS Newsletter

BORDA publishes the electronic newsletter on DEWATS Information quarterly.

Download the DEWATS newsletter

Subscribe to the DEWATS newsletter

DEWATS Special Newsletter 

BORDA received the Development Solutions Award by IWA for outstanding “innovations and contributions to technology and community facilitation that transform service delivery in low income urban settlements.” read more


e-Disha Newsletter is published bi-monthly by CDD
The Indian Consortium for Dissemination of DEWATS (CDD) publishes the electronic newsletter on DEWATS Information for Sustainable Habitation “e-Disha” regularly.

Download the latest e-Disha newsletter

Subscribe to the e-Disha newsletter

DEWATS in India

Flash is required!
A short demonstration of an dewats system in Tamil Nadu/India


Download publications, workshop presentations, handbooks, studies & reports and video and audio documents

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