Handling of the Environmental Drainage System in Jembrana District, Bali Province

The rapid growth of the urban population should be followed by the provision of basic infrastructure and facilities inadequate residential areas. One of them is the facilities and infrastructure for the environmental drainage system in residential areas to be free from standing water, especially during the rainy season. In Jembrana Regency, especially in Negara city and its surroundings, there are fourteen inundation points spread over 3 (three) districts. Drainage treatment is carried out by ranking priority scales based on inundation parameters. The parameters are inundation of height, length, frequency, and also the loss parameters due to inundation of economic facilities, public facilities, transportation facilities, housing, and casualties. With limited funds available, detailed planning is carried out on three inundation points with the highest priority score. The analysis shows that three inundation points receive priority for handling, namely Baler Bale Agung village's environmental drainage system, Dauh Waru village, and environmental drainage Loloan Timur village. The drainage construction system uses an open channel with a U-ditch type and a box culvert with freecast concrete's quality value of K-350.