Abstract
Teshima waste disposal undertaking has been done as a solution of the industrial waste illegal disposal problem happening in Teshima, Kagawa Prefecture since 2003. The role of the watch of the undertaking is requested by the resident living in Teshima and Naoshima. On the other hand, disclosing useful relevant information for the understanding of the undertaking is needed in Kagawa Prefecture who is the entrepreneur. Both of information matched to the progress of the undertakin. Co-creation system is thought to be necessary by such correspondence. We have aimed to practice it what we can do as an engineer. The GPS measurement was done every three months. Information was able to be shared by bringing GIS of the site together in shape to which the resident understood the progress report and future work easily.
