4th International Workshop on Decentralized Domestic Wastewater Treatment in Asia

On 27th and 28th September 2016 in Jakarta, Indonesia, was held the 4th Workshop on On-site Domestic Wastewater Treatment in Asia.

Above: Workshop venue

The objectives of the workshop were to contribute to the further diffusion of appropriate decentralized domestic wastewater treatment systems in Asia and the achievement of the SDG sanitation goal in the participating countries by sharing experiences, and obtaining common understanding of the problems to be tackled in the sector as well as the coming trends. This event also aimed at developing a network among related organizations and personnel in Asia and further enhancing cooperation.

Thirty five participants attended the workshop, which included twenty one government officers from Indonesian central and local governments, four experts from the JICA Office in Indonesia, four guest speakers from other countries, and six participants from the Ministry of the Environment of Japan (MOE), the Japan Sanitation Consortium (JSC) and the National Institute for Environmental Studies of Japan (NIES).

Above: Workshop participants

The workshop consisted of three sessions under the following themes: 1. Framework of regulations, monitoring and management of decentralized domestic wastewater treatment, 2. Challenges and good practices of decentralized domestic wastewater treatment, and 3. Good practices in septage management in participating countries.

Each session was followed by an active discussion in which numerous questions and comments on the presentations (downloadable here) came from the participants. These debates focusing on on-site wastewater treatment systems in Asia led to the adoption of a joint declaration at the end of the workshop.

Above: JSC Advisor, Mr. K. Hashimoto

Following the workshop, a johkasou (the packaged aerated wastewater treatment plant used in Japan for on-site sanitation) site visit was arranged for the participants in the afternoon of 28th September.

Though the workshop, participants got a clear understanding of the current conditions and challenges with on-site domestic wastewater treatment in Asian countries. As a result and for the improvement of sanitation and the preservation of the water environment in Asia, it is highly wished that on-site domestic wastewater treatment will be promoted as a policy for wastewater management in Asian countries.

Above: Dr. Y. Ebie, Senior Researcher at NIES

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