912 STUDI DISTRICT METER AREA (DMA) NOROGTOG PERUMDA AIR MINUM TIRTA RAHARJA KABUPATEN BANDUNG UNTUK PENGENDALIAN KEHILANGAN AIR :Septiani Muliawati 1), Dian Suci Hastuti 2) , Eddy S. Soedjono 3) STUDI DISTRICT METER AREA (DMA) NOROGTOG PERUMDA AIR MINUM TIRTA RAHARJA KABUPATEN BANDUNG UNTUK PENGENDALIAN KEHILANGAN AIR Oleh: Septiani Muliawati 1) Dian Suci Hastuti 2) Eddy S. Soedjono 3) Institut Teknologi Sepuluh Nopember Surabaya 1,3) Kementerian Pekerjaan Umum dan Perumahan Rakyat 2) E-mail: septianimuliawati@gmail.com 1) soedjono@enviro.its.ac.id 3) ABSTRACT The level of Non Revenue Water (NRW) at Tirta Raharja Regional Public Company (RPC) of Drinking Water, Bandung Regency is 27.20% in 2021. This causes a loss of income due to NRW of Rp. 53,311,321,636.5, - in 2021. One of the efforts to reduce NRW that has been carried out by Tirta Raharja RPC of Drinking Water is to establish 36 District Meter Areas (DMA). In this study, DMA Norogtog was chosen because it has the second highest NRW level of 33.41% in January-April 2022. In this study, analysis of DMA Norogtog was conducted to obtain a strategy for increasing DMA performance. The research method is in the form of DMA analysis which is done by comparing the existing conditions to the DMA criteria in the literature. Then the distribution pipeline network analysis on the DMA using the EPANET software. Then technical analysis is carried out on the obtained improvement strategies, so that the recommendations for DMA improvement strategies are obtained. This research showed that most of the existing conditions met the DMA criteria based on the literature, only the pipe hydraulic height criteria did not meet the criteria. There are several alternatives that can be done to improve DMA, namely pressure management by using PRV to decrease the pressure and parallelize the pipe to increase the pressure. The hydraulic simulation in the DMA planning is carried out by reducing a leakage rate of 13,1704% can be obtained in DMA Norogtog. Keywords: District Meter Area, Water Loss, Distribution, Regional Public Company of Drinking Water ABSTRAK Tingkat Non Revenue Water (NRW) pada Perusahaan Umum Daerah (Perumda) Air Minum Tirta Raharja Kabupaten Bandung sebesar 27,20% (Perumda Tirta Raharja, 2021). Hal ini menyebabkan kehilangan pendapatan akibat NRW sebesar Rp.53.311.321.636,5,- pada tahun 2021. Salah satu upaya penurunan NRW yang telah dilakukan oleh Perumda Air Minum Tirta Raharja adalah membentuk 36 District Meter Area (DMA). Pada penelitian ini dipilih DMA Norogtog karena memiliki tingkat NRW tertinggi kedua sebesar 33,41% pada Bulan Januari-April 2022. Pada penelitian ini dilakukan analisis terhadap DMA Norogtog untuk memperoleh strategi peningkatan kinerja DMA. Metode penelitian yang dilakukan berupa analisis DMA yang dilakukan dengan membandingkan kondisi eksisting terhadap kriteria DMA yang ada dalam literatur. Kemudian dilakukan analisis teknik berupa analisis jaringan pipa distribusi pada DMA dilakukan melalui pemodelan menggunakan bantuan software EPANET. Setelah analisis teknis, kemudian dilakukan terhadap strategi peningkatan yang diperoleh, sehingga didapatkan rekomendasi strategi peningkatan DMA. Hasil penelitian didapatkan kondisi eksisting sebagian besar sudah memenuhi kriteria DMA berdasarkan