Special issue of water quality survey the pollution index. In the area of responsibility of the Water Quality Control Division 2 system and water quality control. Waterworks district 10 by checking the water quality index, pollution Basin territory of plumbing parts rubbing region 6 of monitoring all seven parameters, including DO, BOD, COD, phosphate, ammonia, algae and chlorophyll. the found that the raw water through the river basin based on the National Environmental Commission No. 8 (2537) regarding the determination of the sources of surface water quality standards (Type 3) water quality. suitable to be used in the water supply on.