This thesis is entitled "Aspek Hukum Perlindungan Sungai Sedau Dari Pencemaran
Akibat Kegiatan Peternakan Aciok Di Kota Singkawang ". The research for this
thesis is empirical legal research. The result of this thesis research is that the Sedau
River Pollution is caused by various factors, especially the overflowing of the
community trenches around the Sedau River which has been piled up with various
wastes, especially Aciok livestock waste. The Environmental Agency has carried
out Supervision of Aciok Farms on the basis of applicable legal basics.