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<p>Uranium contamination in groundwater is an emerging issue and poses a significant threat to public health and environment. A systematic study was carried out for statistical physico-chemical parameters and uranium concentration in the groundwater/ spring water samples collected from the Champawat district. A total of 43 samples were collected and various physico-chemical parameters, viz., pH, total dissolved solids (TDS), electrical conductance (EC), temperature, oxidation–reduction potential (ORP), and salinity, along with uranium were analyzed for this study. The uranium concentration of the collected water samples varies from 0.02 to 10.37&#xa0;µg/L during pre-monsoon (PRM) and 0.02 to 4.6&#xa0;µg/L during post-monsoon (POM). Spatial distribution of some selected parameters, statistical analysis, including correlation, and principal component analysis was performed. Results show the high nitrate concentration in few of the sampling sites. Correlation analysis indicates the positive correlation of TDS with EC, salinity, sulphate, total hardness, magnesium hardness, nitrate, etc. Water quality index results show that 49% of water samples were in the excellent category. Principal component analysis showed five major factors with a total variance of 80.05%. By integrating analyses such as PCA, correlation, water quality index, spatial maps techniques, and other statistical analyses, this study offers a comprehensive framework for assessing and monitoring groundwater quality in a sustainable manner. The findings of the study created baseline data of uranium for Champawat District, and this study was carried to protect public health, maintain environmental integrity, and promote socioeconomic development by integrating scientific rigour with community involvement.</p> Graphical Abstract <p></p>

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Assessment and monitoring of uranium contamination in Champawat District of Uttarakhand, India: a comprehensive study

  • 期刊论文

  • 发表日期：

    2025年5月2日

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  • Kiran Patni,
  • Ashutosh Pratap Pande,
  • Divya Patel,
  • Chitra Pande,
  • Ajay Kumar

摘要

Uranium contamination in groundwater is an emerging issue and poses a significant threat to public health and environment. A systematic study was carried out for statistical physico-chemical parameters and uranium concentration in the groundwater/ spring water samples collected from the Champawat district. A total of 43 samples were collected and various physico-chemical parameters, viz., pH, total dissolved solids (TDS), electrical conductance (EC), temperature, oxidation–reduction potential (ORP), and salinity, along with uranium were analyzed for this study. The uranium concentration of the collected water samples varies from 0.02 to 10.37 µg/L during pre-monsoon (PRM) and 0.02 to 4.6 µg/L during post-monsoon (POM). Spatial distribution of some selected parameters, statistical analysis, including correlation, and principal component analysis was performed. Results show the high nitrate concentration in few of the sampling sites. Correlation analysis indicates the positive correlation of TDS with EC, salinity, sulphate, total hardness, magnesium hardness, nitrate, etc. Water quality index results show that 49% of water samples were in the excellent category. Principal component analysis showed five major factors with a total variance of 80.05%. By integrating analyses such as PCA, correlation, water quality index, spatial maps techniques, and other statistical analyses, this study offers a comprehensive framework for assessing and monitoring groundwater quality in a sustainable manner. The findings of the study created baseline data of uranium for Champawat District, and this study was carried to protect public health, maintain environmental integrity, and promote socioeconomic development by integrating scientific rigour with community involvement.

Graphical Abstract