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Assessment of groundwater quality and associated human health risk of central Gujarat, India

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doi: 10.1002/clen.202000056
Authors:Siddha, Swayam; Sahu, Paulami
Author Affiliations:Primary:
Central University of Gujarat, School of Environment and Sustainable Development, Gandhinagar, India
Volume Title:Clean (Weinheim)
Source:Clean (Weinheim), 48(12). Publisher: Wiley-Interscience, Weinheim, Germany. ISSN: 1863-0650
Publication Date:2020
Note:In English. 56 refs.; illus., incl. 5 tables, geol. sketch maps
Summary:The groundwater quality of Vishwamitri River Basin (VRB), Central Gujarat, is assessed to evaluate its competency to meet the agricultural and drinking standards, and to determine associated human-health risk by consumption of this groundwater, if any. The overall groundwater quality for drinking is expressed by water quality index. Various indices like sodium adsorption ratio, salinity hazard, soluble sodium percentage, magnesium adsorption ratio, and Kelly's ratio represent groundwater's agricultural suitability. A health risk assessment model is used to measure non-carcinogenic human health hazard. Results reveal that i) trace metals like lithium, manganese, molybdenum, strontium, thallium, vanadium and zinc are present in groundwater indicating contamination of groundwater by hazardous industrial and agricultural wastes; ii) groundwater of about 78% of VRB area is unsuitable for drinking; iii) positive values of Schoeller index of maximum groundwater samples indicate that ion exchange of Na+ and K+ with Ca2+and Mg2+ is the dominant mechanism to control the quality of groundwater; iv) SAR values indicate high to very high salinity of groundwater and therefore, it is unsuitable for irrigation; and v) the health risk assessment model discloses that the risk of gastrointestinal disorder is higher in children than adults; and oral ingestion is more dangerous than dermal exposure. Abstract Copyright (2020), Wiley-VCH GmbH.
Subjects:Agricultural waste; Alkali metals; Alkaline earth metals; Alkalinity; Calcium; Carcinogens; Chloride ion; Chlorine; Concentration; Detection; Diseases; Drinking water; Ephemeral streams; Fluoride ion; Fluorine; Ground water; Halogens; Industrial waste; Ion exchange; Iron; Lithium; Magnesium; Manganese; Medical geology; Metals; Molybdenum; Monsoons; Nitrate ion; Physicochemical properties; Pollution; Public health; Risk assessment; Seasonal variations; Streams; Strontium; Sulfate ion; Thallium; Toxic materials; Trace metals; Vanadium; Waste disposal; Water hardness; Water pollution; Water quality; Water resources; Zinc; Asia; Gujarat India; India; Indian Peninsula; Panch Mahals India; Central Gujarat; River Vishwamitri; Vadodara City India
Coordinates:N220459 N222636 E0733344 E0731733
Record ID:897556-1
Copyright Information:GeoRef, Copyright 2021 American Geosciences Institute. Reference includes data from John Wiley & Sons, Chichester, United Kingdom
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