The Prokasih activity (clean river program) which was centered on Sungai Kemuning Intansari, Sungai Besar Subdistrict, Banjarbaru, was held on Saturday, April 16 2016. This activity, which is one of the agenda items in the 2016 EcoSoundsation series, is also intended as a real action in welcoming Environment Day and the 17th Anniversary of Banjarbaru in collaboration with the Banjarbaru City Regional Environmental Agency. This activity was carried out jointly by various groups, consisting of Environmental Engineering students, Faculty of Engineering, Unlam, Health Polytechnic, environmental cadres, ST 12 community, TNI, Polri, Assimilation Forum and the surrounding community. In his speech, the Mayor of Banjarbaru, represented by Assistant II for Development, conveyed the importance of cleanliness and efforts to maintain rivers. The same thing was also conveyed in the speech of the Dean of the Faculty of Engineering, Lambung Mangkurat University, Dr-Ing. Yulian F Arifin, who was accompanied on this occasion by the Deputy Dean for Academic Affairs and the Deputy Dean for Student and Alumni Affairs.