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<p>This research investigates the groundwater quality in the Mahanadi Upper Basin, a crucial tropical agricultural region in India, where understanding water properties is vital for optimizing crop production and promoting sustainable water use. As freshwater resources face growing pressures from agricultural activities and climate change, assessing groundwater quality becomes essential for maintaining sustainable practices. Using Geographic Information Systems (GIS) and geostatistical methods, the study mapped and modelled spatial variations in water quality parameters. The excellent, good and poor water quality covered 10850.90 Km<sup>2</sup>, 18845.1 Km<sup>2</sup> and 1003.8 Km<sup>2</sup>, respectively. Key findings include that 20% of samples show high-risk nitrate levels, 68% face risks from fluoride, and 25% of the area is unsuitable for irrigation based on Kelly's ratio. The study highlights significant variations in electrical conductivity, pH, and major ions, providing essential insights for water resource management and agricultural practices in similar tropical regions globally. These findings lay the groundwork for future research into the complex hydrogeological systems of tropical agricultural zones.</p>

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Assessment of groundwater quality for drinking and irrigation purposes in the tropical and agricultural region of the Upper Mahanadi basin, India

  • 期刊论文

  • 发表日期：

    2025年12月8日

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  • Leelambar Singh,
  • Ankita Singh,
  • Ravindra Nath Tripathi,
  • Nitika Mundetia

摘要

This research investigates the groundwater quality in the Mahanadi Upper Basin, a crucial tropical agricultural region in India, where understanding water properties is vital for optimizing crop production and promoting sustainable water use. As freshwater resources face growing pressures from agricultural activities and climate change, assessing groundwater quality becomes essential for maintaining sustainable practices. Using Geographic Information Systems (GIS) and geostatistical methods, the study mapped and modelled spatial variations in water quality parameters. The excellent, good and poor water quality covered 10850.90 Km2, 18845.1 Km2 and 1003.8 Km2, respectively. Key findings include that 20% of samples show high-risk nitrate levels, 68% face risks from fluoride, and 25% of the area is unsuitable for irrigation based on Kelly's ratio. The study highlights significant variations in electrical conductivity, pH, and major ions, providing essential insights for water resource management and agricultural practices in similar tropical regions globally. These findings lay the groundwork for future research into the complex hydrogeological systems of tropical agricultural zones.