Nocnum is a deep-tech startup aiming to solve the problem of untreated wastewater and its associated social challenges by leveraging technology and the power of local communities. Currently, the company is developing technologies for the management and control of on-site wastewater treatment facilities. In Japan, Nocnum focuses on creating water quality IoT sensors that enable real-time remote monitoring of the status of "johkasou" (a type of on-site wastewater treatment facility), proprietary water quality analysis technology, and the accompanying johkasou management software. Even prior to its founding, the company conducted development and pilot testing of IoT sensors and is now fully dedicated to bringing its products to market.