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ADBI has published a document recommending maintenance based on the Johkasou Act
On December 2018, 12, ADBI (*) announced "Institutional Mechanisms for Sustainable Sanitation:

Learning from Successful Case Studies” was published.

You can download it from this site.
In this document, ADBI takes up Japan's johkasou performance evaluation test system and the Johkasou Act, which stipulates the installation and maintenance of johkasou, as good practices. It is expected that the system for disposal will be strengthened.

This document was produced at the “Development Partner Roundtable and Policy Dialogue Session on Sustainable Sanitation in Asia” held at ADBI Tokyo, September 2018-9, 20. , hereinafter referred to as the plenary session)”, and nine government officials from Asian countries and staff from international organizations (Asian Development Bank (ADB), Japan International Cooperation Agency ( JICA), International Water Association (IWA), Water-Aid, Bill & Melinda Gates Foundation (BMGF), World Bank, etc.), about 22 people including 9 people participated.

At the plenary session, Mr. Kazushi Hashimoto, Advisor of the Japan Sanitation Consortium, gave a presentation titled "Institutional Mechanisms for Sustainable Sanitation: Lessons from Japan for other Asian countries." In addition to giving a presentation on Japan's Johkasou Act and systems related to maintenance and management, Mr. Kumokawa from the Education Center gave participants an introduction to Japan using the Ministry of the Environment pamphlet "Night Soil Treatment and Decentralized Wastewater Treatment System in Japan". I appealed the johkasou system.

Furthermore, on September 2018, 9, ADBI sponsored a site inspection for the participants of the plenary session. , Demonstration of maintenance and sludge removal work at the installation site of johkasou.

It is believed that they deepened their understanding of johkasou by observing the actual johkasou inspection and cleaning work on site.

The participants asked a wide range of questions, including not only the principles of johkasou treatment and maintenance techniques, but also the principles of maintenance costs and collection methods.

(*) ADBI (Asian Development Bank Institute) supports the improvement of capabilities, skills, and knowledge related to poverty reduction and long-term growth potential and competitiveness in developing countries in the Asia-Pacific region. An international organization established in Tokyo in 1997 with the aim of making policy recommendations to Asian countries.
Plenary session (photo source: ADBI)
Participants listening to an explanation about the maintenance of johkasou (Photo source: Education Center)
Commemorative photo in front of the vacuum truck (Photo source: Education Center)
Public interest incorporated foundation
Japan Education Center of Environmental Sanitation
2-23-3 Kikugawa, Sumida-ku, Tokyo
TEL: 03-3635-4880 (Switchboard),

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