The title of writing the law in this research is Legal Aspects of Handling River Pollution Due to
Palm Oil Waste PT Benua Lawas Lestari, Kelumpang Hulu District, Kota Baru Regency, South
Kalimantan Province where the problem in this research is the management of river pollution
due to palm oil liquid waste. The aim is to find out how to deal with river pollution due to PT
Benua Lawas Lestari's palm oil liquid waste and what are the obstacles in tackling river pollution
due to PT Benua Lawas Lestari's palm liquid waste. The writing of this law uses the empirical
writing method where this writing pays attention to social facts in the field and data obtained from
several interviews with respondents, books, and sources of information. The conclusion of this
study is the prevention of river pollution due to liquid waste from PT. Benua Lawas Lestari has
been running well but not yet optimal because pollution is still found which results in losses for
the community and aquatic habitats.