Hydrogeochemical investigation and groundwater quality assessment toward ‘smart city planning in a coastal aquifer, India

Water Practice and Technology - Tập 18 Số 1 - Trang 168-184 - 2023
George Biswas1,2,3, Mohd Arshad2, Naseem us Saba4, Tanvi Arora1,2, Shakeel Ahmed1,5
1Academy of Scientific and Innovative Research, Ghaziabad, 201002, India
2CSIR-National Geophysical Research Institute, Hyderabad 500007, India
3Department of Geology, Presidency University, Kolkata, 86/1 College Street, Kolkata 700073, India
4Women’s College, Aligarh Muslim University, Aligarh, 202002, India
5Maulana Azad National Urdu University, Hyderabad 500032, Telangana, India

Tóm tắt

Abstract This paper aims to understand the general background of groundwater quality that must be considered for the 'smart city' planning of Surat city. Twenty-Six water samples collected from bore wells of the city were analyzed. The results showed that water is alkaline, as pH varies from 7.6 to 9.2. The concentration of Cl− and Na+ are correlated with EC. The highest levels of Cl− and Na+ are found near the coastal region (predominantly northwestern); Piper trilinear diagram shows 52% of samples are Na-HCO3− type and 48% NaCl type. WQI shows that most samples are potable for drinking, but a few samples from the western part are not suitable for drinking. SAR, Na%, and PI results show that most samples are suitable for irrigation. The corrosivity index indicates that 50% of samples have a CR > 1(unsafe zone), and the rest are within the safe limit. The relationship of WQI with different water quality parameters revealed that groundwater quality has deteriorated in the city's western part, which may be due to seawater intrusion in the aquifer. This work gives a basic idea of groundwater quality, which will help make Surat a smart city.

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Water Practice and Technology

Tập 18 Số 1

168-184

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