On January 19, 2016, the signing of cooperation between APCE-UNESCO and the Department of Civil and Environmental Engineering Bogor Agricultural University (IPB) took place in APCE building, Cibinong. The event was attended by the Director of APCE Prof. Hery Harjono with team and Dr. Arief Sabdo Yuwono team from IPB. The two sides agreed to conduct a mutually beneficial cooperation, namely the implementation of research activities that strengthen the implementation of ecohydrological principles through improving environmental sanitation conditions located in the vicinity of ecohydrology demosite in Saguling Reservoir. On this occasion Prof. Hery Harjono conveyed that this research activity can be done immediately and become field station as a basic study related to sanitation. The event continued with the signing of contract between IPB and APCE-UNESCO.