River basin is a unitary area with rivers and tributaries, which serves to hold, store, and drain the water coming from precipitation to the lake or to the sea naturally, the boundary on land is a separator topographic and boundary at sea up to the area of water still affected land activity. Prevention of pollution of river basin in the form of integrated and thorough planning activities in the prevention pattern of pollution and/or the destruction of watershed through physical and/or non-physical activities or through the balancing of upstream and downstream Citarum river basin. Jatiluhur Reservoir is included into the Citarum river basin which has a versatile function especially for the development of floating fish cage farming (KJA). In 2015 the population of floating nets has reached 25,951 plots. The activity of floating nets is indicated to potentially pollute the quality of reservoir water. Jatiluhur reservoir pollution will affect the quality of Citarum basin. Based on the indications of the government to issue presidential regulation Number 15 year 2018 about accelerating pollution control and destruction of Citarum river basin. Through this regulation, zero KJA policy was issued at Jatiluhur Reservoir. The purpose of this article is to review whether zero KJA policy needs to be applied in the Jatiluhur reservoir. The methods used in this study are geography information systems (GIS) and literature study. The results of this study in the form of zero KJA need to be applied in Jatiluhur Reservoir. However, KJA fish cultivation need to look for other alternative such as culture-based fisheries (CBF). CBF fish cultivation is considered more environmentally friendly than KJA. The cultivation of fish in Jatiluhur Reservoir is not discharged because Jatiluhur Reservoir is one of the producers and suppliers of freshwater fish in West Java.