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<p>Water is essential for the survival of human existence. The rapid urbanization in the Old Mahabalipuram Road (OMR) region has led to groundwater stress. It is crucial to thoroughly analyse the physical and chemical characteristics as well as the locations with high potential for groundwater in the OMR region. Groundwater samples are routinely collected to assess the water quality. The Piper linear diagram provides the evidence of the presence of significant ions in the study region. The main physiochemical parameters that affect water quality are Total Dissolved Solids (TDS), Chlorine, HCO<sub>3</sub> and Total Hardness. To categorize the Groundwater Potential Zones (GWPZ), Analytical Hierarchical Process (AHP), GIS, and Remote Sensing techniques are used and five classes from extremely high to very low category were classified. Weighted overlay analysis was performed to map the groundwater potential zones of the study region. The results indicate that the coastal areas of OMR exhibit a significantly low potential, but the central region of OMR has a relatively high potential. The study also investigates the water quality aspects associated with GWPZ. The research work has the potential tool for the planning and management of groundwater resources in the OMR region.</p>

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Integrated Assessment of Groundwater Quality and Recharge Potential for Sustainable Water Resource Management using Hydrogeochemical Analysis, GIS And AHP Techniques

  • 期刊论文

  • 发表日期：

    2026年1月17日

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  • Surendar Natarajan,
  • Kamalanandhini Mohan

摘要

Water is essential for the survival of human existence. The rapid urbanization in the Old Mahabalipuram Road (OMR) region has led to groundwater stress. It is crucial to thoroughly analyse the physical and chemical characteristics as well as the locations with high potential for groundwater in the OMR region. Groundwater samples are routinely collected to assess the water quality. The Piper linear diagram provides the evidence of the presence of significant ions in the study region. The main physiochemical parameters that affect water quality are Total Dissolved Solids (TDS), Chlorine, HCO3 and Total Hardness. To categorize the Groundwater Potential Zones (GWPZ), Analytical Hierarchical Process (AHP), GIS, and Remote Sensing techniques are used and five classes from extremely high to very low category were classified. Weighted overlay analysis was performed to map the groundwater potential zones of the study region. The results indicate that the coastal areas of OMR exhibit a significantly low potential, but the central region of OMR has a relatively high potential. The study also investigates the water quality aspects associated with GWPZ. The research work has the potential tool for the planning and management of groundwater resources in the OMR region.