Since 1996, Newmont Mining Corporation under its subsidiary company, PT Newmont Minahasa Raya, has been using the bay as the tailing (mine waste) dumping ground for its gold mining activities.
Warsa 1996, anak pautsahaan metén pausthaan Pautsahaan Tambang Newmont, PT Newmont Minahasa Raya, nganggén celuk manadoa ngenah ngutang tailing (limbah tambang) antuk parilaksana patambangan mas.