In Indonesia, people living around the river often use the river as a sand mining
location where these activities become livelihoods. This activity is carried out with
the aim of increasing the community's economy, but it has a bad impact on the
watershed. Mining activities that are often found in the Yogyakarta area are sand
mining. This type of research in legal writing is empirical legal research. Empirical
legal research is research that focuses on social facts related to supervision from
the Environmental Agency on efforts to prevent environmental damage from the
Sand and Stone Mining business of PT Citra Mataram Konstruksi (PT CMK) on the
Progo River. The data obtained is primary data as the main data and is supported
by secondary data. And the results of the research were obtained that the
supervision from the environment and forestry service was in the form of
supervision that directly and indirectly plunged into the stone and sand mining site
and after research, it was implied that the supervision of mining activities by DLHK
was based on an activity plan called Supervision of Management Policy and
Environmental supervision by the Environment and Forestry Service on PT CMK
In accordance with the regulations Applicable legislation This activity aims to
evaluate the level of compliance of the person in charge of the business and / or
activity in the implementation of the provisions contained in the Environmental
Permit, PPLH Permit, and laws and regulations in the environmental sector