JSA has played a key role in developing johkasou technologies and being as an information center of johkasou severing for improving installation, maintenance and operation of johkasou systems.

• 本协会的宗旨是促进净化槽的研究开发和新技术的发展，作为净化槽技术的信息基地，为提高净化槽的质量，以及净化槽施工和维护管理技术服务。