Perencanaan Instalasi Pengolahan Air Minum di Kecamatan Wampu Kabupaten Langkat

Abstract

Water is an important requirement in meeting the needs of economic and social activities, such as industry, hospitals, hotels, trade, offices and education. This research was made based on the background of the absence of clean water connections in Wampu District and the 2019 100-0-100 program from PUPR. The main problem faced is the lack of quantity and decreased quality of water production for domestic use. This study aims to determine the characteristics and quantity of clean water as a reference for the development of drinking water supply in Wampu District, Langkat Regency. The data used is secondary data; water quality of the Wampu River, data on the area of the Langkat Watershed, rainfall and population data from BPS Langkat, and climate data from the Kualanamu Meteorological Station. Obtained research results; watershed area of 2,349 km2, reliable discharge of 43,497 m3/second, there are 5 parameters that pass river water quality standards, namely; turbidity, BOD5, COD, fecal coliform, and total coliform. The projected population in 2041 is 51,934 people and the total need for water is 157.22 L/second. Calculation results; intake with 5.4 m3 volume, 2 presedimentation tanks with 612 m3 volume, coagulant requirement 61.883 L/day, coagulation with 9.42 m3 volume, 2 flocculation tanks with 211.95 m3 volume, 2 sedimentation tanks with 612 m3 volume, 5 tanks filtration tanks with 11.21 m2 base area, chlorine requirement for disinfection is 39.47 kg/day, and elevated reservoir with 2,826 m3 volume