Evaluation of Factors and Biological Parameters of the Groundwater in Makasar Subdistrict, East Jakarta

Introduction: People prefer to use groundwater for daily needs piped water in Indonesia. However, population growth and the construction of residential homes can hugely affect quality groundwater. The study aims examine relationship between its influencing factors. Methods: This was conducted with a quantitative approach survey method. Primary secondary data were required this study. variables examined as seen from biological parameters factors which consisted internal external Results Discussion: results show that highest coliform bacteria content found Cipinang Melayu at 200 MPN/100 mL concentrations 2019 2020, well 100 2021, followed by Pinang Ranti. discovered Halim Perdana Kusuma number 3 50 concentration. Groundwater contains because Coliform influence both significantly correlated P-value < 0.05 (correlation coefficient = 0.201 factors; correlation -0.144 factors). 0.634; meanwhile, 0.656. Conclusion: not aligned standards drinking evaluated parameters. Both Total content.