Penentuan status mutu air tanah di Kecamatan Maduran Kabupaten Lamongan

Water is a component of supporting basic human needs for daily activities. Maduran District is a sub-district whose in habitants use groundwater as an alternative water source. The factors of contamination of groundwater in Maduran District are household activities, home industry and the agricultural sector. The purpose of this study was to determine the quality and status of groundwater quality in Maduran District. Groundwater quality status is based on Permenkes No. 32 of 2017 and Kepmenlh No. 115 of 2003. The sampling station is determined based on SNI 6989.58: 2008. Sampling was done once with the split method at 8 representative stations. The groundwater quality status test includes physical and chemical parameters, namely temperature, smell, taste, TDS, turbidity, pH, CaCO3, Mn, Fe, Nitrate, and Nitrite. The results of the analysis of groundwater quality contained parameters that exceeded the standard, namely, Station A with TDS levels of 2490 mg. L-1and hardness of 1, 130 mg L-1. Station D has a TDS level of 1, 284 mg L-1and a hardness of 500 mg L-1. Meanwhile, Station H has a TDS level of 1, 389 mg L-1. The status of water quality using the IP method shows Station A, Station D, and Station H are categorized as light polluted. Meanwhile, Station B, Station C, Station E, Station F, and Station G are categorized as Fulfilling Quality Standards.