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Drinking water potability prediction using machine learning approaches: a case study of Indian rivers
Summary
Researchers applied machine learning techniques to predict drinking water quality in Indian rivers based on key parameters like pH, dissolved oxygen, and bacterial counts. Their models achieved high accuracy in classifying water as potable or non-potable. The study demonstrates how data-driven approaches could help developing countries monitor water safety more efficiently, especially in regions where traditional testing infrastructure is limited.
Abstract Drinking water is the most precious resource on Earth. In the past few decades, the quality of drinking water has significantly degraded due to pollution. Water quality assessment is paramount for the well-being of the people since the presence of pollutants can have serious health issues. Particularly, in developing countries such as India, water is not properly assessed for its quality. This work uses machine learning techniques to predict the water quality of Indian rivers. It focuses on finding water potability when provided with the key factors used to calculate the water quality index for the water sample. Important parameters like water temperature, pH value, electrical conductivity, dissolved oxygen, fecal coliform, total coliform counts, and biochemical oxygen demand are used to calculate the water quality index. The approaches that are explored include the use of K-nearest neighbor (KNN), Random Forest, and XGBoost, with and without hyperparameter tuning, and the use of a sequential artificial neural network to see which of the three models helps us to give the most accurate predictions for the potability of water. XGBoost was the most efficient model, with an accuracy of 98.93%.
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