<![CDATA[This study aims to analyze the quality control of production with Six Sigma method in improving product quality in drinking water industry PT Asera Tirta Posidonia Palopo City. The type of research used is applied research with quantitative data. The research procedure performed through Six Sigma method steps include Define,Measure, Analysis, Improve and Control. The results obtained are first, the define stage is the definition of quality standard problems in the company's production process, define the action plan that must be done, set the goals and objectives of Six Sigma quality improvement. Second, the measure stage. At this stage the measurement of product quality characteristics produced in the production process is done by the company so that researchers only perform data collection or documentation that has been made by the production department. Third, the stape analytical begins with the calculation of the value of Central Limit, UCL, LCL, determine DPMO value and Sigma value determination with average sigma level 1,929 or condition in 2 sigma with probability of damage equal to 335,287 for million times production process (DPMO) or 33,5%. Fourth, the improvement stage is to supervise the employees of the production, maintenance and repair of machinery on a regular basis and the selection of quality raw materials that will be used in the production process and the grouping of defects product based on disability type, observe every week, in detail, control of defective product is done well, skill and awareness of operator must be enhance, the supervisor is responsibleto defective product of each area. Fifth, the control stage is to perform maintenance and repair machinery on a regular basis and sustainable, supervision of raw materials and production employees for the quality of goods produced better, recording and weighing defective products of each type of damage, report the results of weighing to the supervisor and supervision of production continuously. Based on quality control activities, the company simply provide benefits in an effort to reduce product failure but still not maximal. So it should be suggested that the company should improve the capabilities of Sigma and improve the process by making improvements to machinery, raw materials, methods and environment as well as coaching and supervision of employees.]]>
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