KUALITAS AIR SUNGAI SAGO KECAMATAN SENAPELAN KOTA PEKANBARU TAHUN 2016
River sago that is a tributary siak which has received pressures environment a result of of land use and activities people of residential , market , office , the hospital and industry .Pressure that environment indicated has caused a decline in the quality of the waters of the sago. A common purpose research is to know the quality of the waters of the sago kecamatan senapelan the city of pekanbaru 2016 and factors that affects the quality of the waters of the sago kecamatan senapelan the city of pekanbaru. This research is descriptive quantitative with the design research non standard, to know the quality of the waters of the based on an indicator water quality. Samples to be taken from 3 points, station I in the upstream location jl. Cut Nyak Dien gg. Jambu Air, station II in central location jl. Juanda, station III downstream jl. Pelita Pantai The result of this research that is explained that the quality of the waters of the sago in station I in the upstream is category and he medium, with the Water Quality Index in the morning that is 66.09 and afternoon 65.33.Station II in the middle is category and he medium with the Water Quality Index in the morning that is 61.05 and afternoon 56.34. Station III downstream is of medium category medium with the water quality index in the morning that is 65.45 and afternoon 57.88. Conclusion in this research is activity the community a watershed Sago will affect the quality of the waters of the Sago. Advice in this research was significance social expected the formulation of local regulations the city of Pekanbaru about absorption wells. Significance scientific research a kind of to be done sampling repeated based on different time. Keywords : Water Quality Index (WQI), River, River Flow Area (DAS)