The title of this research is the role of the environmental service in the city of
Palangkaraya in controlling the prevention of pollution of the Kahayan river. This
research aim to find out the attitudes or actions taken by the environmental service
as policy makers to provide preventive solutions to the problem of water pollution
of the Kahayan river, and find out what are the obstacles faced in carrying out this
work. This type of research is a type of empirical research. The primary data source
of this thesis is the result of interviews from the informants, namely the related
parties, namely the Palangkaraya City Environmental Service, and the secondary
data in this thesis comes from several literatures, both laws and regulations related
to river water pollution. The method of collecting this thesis data is through
interviews with informants and respondents, conducting a literature study, and
conducting a simple random sampling method by distributing questionnaires to the
community in the riverbank area and the research location is on the Kahayan river,
Palangkaraya city.