Abstract:
Siak River is the deepest river in Indonesia. Located in Riau Province, the Siak River, which is
located in Tapung, Kampar Regency, RokanHulu Regency, Bengkalis Regency and SiakRegency
has a depth of 30M. The result of silting is now 18M. Siak River also passes Pekanbaru City Riau
Province with a relatively flat river contour with an altitude of 0.25 Dpl above sea level. The
siltation siak river is caused by a decrease quality the river due to the occurrence industrial and
household waste disposal both small and large. Nearly 60% comes from household waste in the
city Pekanbaru. Utilization of the river for daily needs for the Malay tribal local community is
considered very wise because for the Malay river tribe is a marwah and self-identity. The Malay
community has a traditional institution that houses the community in upholding the institutions for
protecting indigenous people, especially regarding the designation of the teachings Malay people
in the Pekanbaru. The study aimed to analyze the role Pekanbaru City LAM on the function of the
Siak river waters Pekanbaru. This research is a survey research and literature study with interview
techniques and collection previous study material about the Pekanbaru and Siak River Malay
tribes. From the results research, LAM Pekanbaru city Program has been found in Pekanbaru
LAM Program on the function of the Siak River waters. The absence of cultural inventory efforts as
local wisdom of Malay people in the preservation of Siak River. In this study also found a nonsynergic
relationship between policy makers in AMDAL licensing and LAM Pekanbaru so that
local wisdom of the community in the coastal river siak is threatened in extinction. The relationship
of neglected local wisdom to the function of the river Siak was also found in this study to accelerate
damage to the river Siak in the city of Pekanbaru
