Seasonal Variation and Spatial Distribution of Uranium in Sources of Water in Tonk District of Rajasthan, India

Document Type : Original Research Paper


1 Department of Chemistry, Raj Rishi College (RRBM University), Alwar, Rajasthan, India

2 Department of Geography, B.S.R.College (RRBM University), Alwar, Rajasthan, India

3 Health Physics Division, Bhabha Atomic Research Centre, Trombay, Mumbai, India

4 ESL Laboratory, Rawatbhata, Kota, Rajasthan, India


This study was undertaken to evaluate concentration of Uranium (U) in the drinking water of the Tonk district of Rajasthan (India). The main objective of the study is to determine the distribution of Uranium concentration and the geochemical behavior of Uranium in pre-monsoon (PRM) and post-monsoon (POM) drinking water samples. Uranium was measured by LED fluorimeter. Total 318 drinking water samples were collected for both seasons. It is observed that the water quality of all the samples is within the limits prescribed by WHO (30 µg/L) except a few, and can be used for domestic purposes. The Uranium concentration was found to be in the range 0.21 to 173.72 µg/L with a mean value of 8.58 µg/L in pre-monsoon and 0.21 to 162.34 µg/L with a mean value of 11.22 µg/L in post-monsoon samples. The geochemistry of the study area shows rock-water interaction. The order of average anionic concentration is found to be HCO3 – > Cl – > SO4 2– > NO3 –. Although no definite trend of seasonal variation in the concentration of U was observed, large samples have higher Uranium concentrations in post-monsoon than pre-monsoon.


Main Subjects

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