Big Island Excavation & Septic has the experience & equipment to dig into the Big Island. We are an excavation contractor in Hilo specializing in excavating, land clearing, bulldozing & trenching services. Our operators can do everything from land clearing, lava rock lot ripping, foundation excavating, water line trenching, septic system installations, leach field & drain field excavations and preparations, post hole augering, skid steer services, cesspool conversion to septic systems, & water main connections. As an experienced septic installer in Hilo, we can correctly install the main sewer line, septic tank, & drain field with proper slopes, backfill cushion materials, & drainage materials to meet the County of Hawaii's current codes.