ANALISIS POTENSI PEMANFAATAN AIR HUJAN SEBAGAI SUMBER ALTERNATIF DI KASUS DUKUH KARANG LEGI DESA PATALAN

Abstract

Utilization of rainwater is not something new in human civilization in meeting water needs. In recent decades, as a result of scientific developments, many countries have developed rainwater utilization technology. This is done to overcome the pressure of increasing water needs as a result of climate, environmental factors and social changes in society. The rainfall data available in Dukuh Karang Legi is daily rainfall data. This data can be processed into monthly rainfall data which consists of two calculation methods, namely the average method and the median value method. The average method is a method of calculating rainfall by adding up all rainfall data for a month divided by the number of days in the month. The middle value method is a calculation method that sorts the rainfall values from the smallest data to the largest rainfall data and then takes the value in the middle of the sequence. Based on this research, it is known that the population of one RW in Dukuh Karang Legi includes 272 people who have domestic needs of 27,200 lt/day (27.2 m3/day) and in one month require approximately 843,200 lt/month (843.2 m3/day). month).