Analisis Kualitas Air Sumur Gali Berdasarkan Parameter Biologis Escherichia C…

Environmental conditions can affect public health, poor environmental sanitation due to clean water used to meet basic needs polluted by E. coli bacteria. The dug well is one of the sources of clean water for the Penampi Village community in Bengkalis Island, which is potentially contaminated with E. coli bacteria due to its physical construction and the presence of pollutant sources in the vic…