Groundwater is water below the surface of the ground that fills the spaces between the grains or rock fractures. Ground water is water that can be used to meet the needs of living things. This research was conducted to analyze the value of rock resistivity in Graha Mustamindo Permai 3 Housing and to analyze the types of rock layers at Graha Mustamindo Permai 3 Housing, at the coordinates S 0 ko…