The study aims to detect ground water availability at Buhias Island. Siau Timur Selatan District. Sitaro Regency. The research method used the survey method by geoelectrical instrument based on subsurface rock resistivity as a geophysical exploration results with geoelectrical method of Wenner-Schlumberger configuration. https://fitnessgravesyardes.shop/product-category/spoke-protector-clip/