We have the know-how to solve problems of water supply, sewage system and environment issues in your city.

Osaka Water and Environment Solutions Association (OWESA) was established to support regions struggling with poor water conditions and environmental problems outside Japan. In the process of evolving into a metropolitan, Osaka, a region of western Japan, has solved various problems regarding water supply, sewage system and environment issues through cooperation between public and private sectors. Water supply, sewage system and environmental technologies accumulated in the local governments and the advanced element technologies of private enterprises will help your city solve these problems. Please contact us.


May.2020NEW Sewage Works Exhibition’20 Osaka was canceled due to the uncertain outlook for the end of COVID-19 infection.
Jan.23.2020 Sewage Works Exhibition’20 Osaka is held this August in Osaka, Japan
Apr.2019. The homepage was renewed.