CLEAN WATER NETWORK PLANNING IN SOUTH LAMAKNEN DISTRICT, ATAMBUA CITY

The clean water supply system in the South Lamaknen District of Atambua City is based on existing conditions that the population of South Lamaknen District is (112,510 people) in fact: the number of villages and sub-districts in South Lamaknen District is (13), (8 Villages) and (5 Villages) served clean water (80%) and the number of residents who have not received clean water in Benteng Subdistrict and Lamaknen Selatan Subdistrict (20%), because residents in 2 subdistricts in Lamaknen Selatan Subdistrict still depend on dug wells which do not necessarily guarantee the clean water needed. As is the problem that every sub-district in Indonesia is still experiencing, including South Lamaknen Sub-district, in this case the distribution of clean water to customers. To realize this, it is necessary to plan a clean water network for the next 10 years which will meet the needs of the community in general so that it can be met evenly. Based on the research objective, namely planning clean water management in South Lamaknen District to meet community needs and public facilities.  then based on the calculation results: the total amount of clean water needed for the South Lamaknen District Community until 2033 is 289 lt/s. In accordance with the clean water distribution hours, water will be supplied to residential areas 24 hours a day. In planning the clean water network using the EPANET program, in the pressure on the clean water network is (90.59m) with a max speed of (5.58m/s) so that it can reach 2 existing sub-districts.