INTRODUCTIONHydraulic fracturing, also known as hydraulic fracturing or hydrofracturing, is the process of extracting natural gas from shale (fine-grained sedimentary rock) buried deep in the earth, and is considered a relatively new process. Although the technique of hydraulic fracturing has been known since the 1940s, it has only been in the last decade that it has seen a boom. The hydraulic fracturing process begins with a well drilled vertically, which then rotates ninety degrees and continues horizontally into the shale layer. A mixture of several thousand tons of sand, approximately eight million liters of water and two hundred thousand liters of various chemicals (called fracking fluids) is then pumped at high pressure into the well to create fissures through which the gas can escape. Sand is used to prevent cracks from closing, chemicals are used to compress water, kill bacteria and dissolve minerals. The escaping natural gas is then sucked to the surface, where it is processed and shipped. Once the fracking process is complete, wastewater, containing potentially toxic chemicals, returns to the surface. Once the gas source is exhausted, wastewater is pumped to deep underground layers and the well is sealed. This article will explain how hydraulic fracturing contributes to water pollution and the resulting effects.CONTRIBUTIONS TO WATER POLLUTIONA study conducted by the International Journal of Human and Ecological Risk Assessment found that the wastewater created by hydraulic fracturing contain potentially toxic chemicals, total dissolved solids, natural contaminants from sedimentary rock, organic pollutants and normally occurring radioactive materials (NORM). for the treatment of contaminated water sources. As such, there are not only human health impacts, but also economic impacts, as water treatment requires money, sufficient space, suitable location and also takes time. CONCLUSIONHydraulic fracturing has many impacts on freshwater sources used as drinking water supplies by humans. . These effects include chemical contamination by chemicals such as benzene (a carcinogen). For this reason, hydraulic fracturing can be considered one of the leading causes of human deaths, especially in urban areas near drilling sites. Given that many of the impacts of fracking are negative, it can be concluded that fracking is not a sustainable practice in the long term, especially since gas reserves will eventually run out and only the pollution created will remain..