Lapisan pondasi bendungan Pamukulu ini berdasarkan hasil bor inti yang telah dilaksanakan terdiri atas lapisan batuan, dimana sebelumnya diadakan proses excavation hingga dijumpai lapisan batuan ini.
Pamukulu dam Foundation layer is based on the results of the drill core that has been implemented is composed of layers of rock, which previously held the process of excavation to found layers of rock.
Pamukulu dam foundation layer is based on a core drill which has been implemented consisting of layers of rock, which previously held the excavation until this rock layers encountered.