ABSTRACT The purpose of this study was to determine the impact of industrial development and the positive and negative impacts on the social and economic life of the people of Lubuk Gaung Village Sungai Sembilan District Dumai City. The population of this study was 2,606 Family Heads, who were domiciled in Lubuk Gaung Village, then were randomly drawn from 2,606 Family Heads who lived in Lub…