<![CDATA[Well water is the primary source of clean water for a portion of the population in Bandar Lampung City that has not been served by the municipal water supply (PDAM); therefore, its quality needs to be comprehensively evaluated to ensure safe daily use. This study aimed to analyze the water quality status using the Water Quality Index (WQI) based on the Regulation of the Ministry of Environment and Forestry of Indonesia (PerMenLHK) No. 27 of 2021, Appendix I. Water samples were collected from nine well water sampling stations across Bandar Lampung City. The analyzed parameters included turbidity, color, odor, pH, total dissolved solids (TDS), nitrate, nitrite, manganese, iron, hexavalent chromium, Escherichia coli, and total coliform. The results showed that most parameters met the water quality standards stipulated in the Regulation of the Ministry of Health of the Republic of Indonesia No. 2 of 2023, except for nitrate at Station 1, E. coli at Stations 7 and 8, and total coliform at Station 9. Based on the Pollution Index (PI) analysis, Stations 2, 3, 4, 5, and 6 met the quality standards, Stations 1 and 9 were classified as lightly polluted, while Stations 7 and 8 were categorized as moderately polluted. Based on the PI values, the WQI of well water in Bandar Lampung City was classified as moderate, with a WQI value of 56.6. This study provides an overview of the well water quality status and can serve as a basis for the management and control of clean water quality in urban areas.]]>
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