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2021/03/26 MOEJ has released new Leaflets on Johkasou system

   Ministry of the Environment has released new Leaflets 


   Appropriate treatment of domestic Wastewater 
   - Protection of People's Health and the Water Environment - 

   If you wonder "Why should we treat Gray water, too?", 
   we recommend you to read this leaflet.
           


   Japanese decentralized wastewater treatment facility
   - Characteristics of Johkasou -

   If you want to know "How does Johkasou differ from the other facilities?", 
   we recommend you to read this leaflet.