Environmental pollution occurs more quickly if the increase in an activity carried out by humans
due to human nature that always wants to innovate. Waste discharged into the river must be
managed first by decomposition in the Wastewater Treatment Plant (WWTP) so that the content
of hazardous materials or substances remaining production can be described properly so as to
reduce the potential for river pollution. The Department of Environment and Forestry of the
Special Region of Yogyakarta has the task of assisting the governor in carrying out
environmental and forestry Affairs. PT. Budi Makmur Jaya Murni is categorized as a primary
industry because it is an industrial sector that extracts raw materials into finished goods such as
jackets, shoes, gloves, and others. Formulation of the problem in this study; to find out how the
supervision carried out by the Department of Environment and Forestry of Special Region of
Yogyakarta on Tannery Waste Management conducted by PT. Budi Makmur Jaya Murni to
prevent river pollution and how waste management is done by PT. Budi Makmur Jaya Murni.
This legal research is an empirical research that is research conducted with a focus on social
facts about the object to be studied. Wastewater management includes efforts to prevent pollution
that can have an impact on the environment, by conducting wastewater management, the
government hopes that every business and/or activity that has an impact on the environment can
be minimized. Supervision of the Department of Environment and Forestry of the Special Region
of Yogyakarta in order to prevent pollution of the Gajah Wong River has been well implemented
but not optimal due to lack of human resources. Wastewater management conducted by PT. Budi
Makmur Jaya purely as an effort to prevent pollution of the Gajah Wong River is good enough.