The massive number deforestation and forest conversion in headwaters of Latuppa stream for providing agricultural lands and housings make the forests loss its functions as a prop of downstream and as a regulator of water cycle. It also prevents flood, landslide, and dryness. Both activities significantly affect on clean water consumers and production of PDAM from which Latuppa stream is a primary source of water supply. Therefore, Forestry Department supported by some stakeholders initiate a program concerning to the payment of environmental service for clean water as an alternative to solve the problem related to exploitation of forest area in Latuppa. The purpose of this research is to identify individuals who involve in organizational mechanism payment of environmental service and operationalmanagement in organization using stakeholders' analysis. The finding shows that the primary organizer in environmental services mechanism is PDAM Palopo as a facilitator in providing clean water supply supported by local people at headstream of Latuppa, especially the group of To'Buangin and Se'pon, Wallacea Palopo, DAS Paremang forum, Forestry Department of Palopo, Agriculture Department of Palopo, PSDH, BLH Palopo, and BPDAS Saddang as a secondary stakeholder and organizer representatives who facilitatean initiative of payment to environmental service.