This study sought to ascertain the correlation between human resource management and business performance of pure water producing companies in Port Harcourt. Fifty seven (57) owners, managers and supervisors of pure water producing companies in the study area, constituted the sample elements. To achieve the objectives of the study, two (2) hypotheses were formulated and tested. The Pearson Product Moment Correlation Coefficient was used to test the hypotheses, with the help of Statistical Package for Social Sciences at 5% level of significance. The two null hypotheses were not supported, therefore the alternate hypotheses were accepted. This implies that a significant positive correlation exist between human resource management and business performance. Specifically, it indicated that recruitment and selection and training and development has significant positive impact on the performance of pure water producing businesses in Port Harcourt. Thus, from the results and discussions it was concluded that human resource management practices such as recruitment and selection, as well as training and development, significantly enhance the performance of pure water producing companies, especially in Port Harcourt. As such, it was recommended that the managers, owners and supervisors of pure water producing companies should: standardized their employee recruitment and selection methods and employment should be offered on the basis of competency (not necessarily academic or professional qualifications), as against individual recognition, social affiliations and in other times sold to the highest bidder; and build the capacity of its human resources and move away from conventional human resource management techniques to a more contemporary in line with evolving trends in organizational structures and functions.