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Assessment of Groundwater Quality and Associated Human Health Risk of Central Gujarat, India
Clean - Soil Air Water ( IF 1.5 ) Pub Date : 2020-10-12 , DOI: 10.1002/clen.202000056 Swayam Siddha 1 , Paulami Sahu 1
Clean - Soil Air Water ( IF 1.5 ) Pub Date : 2020-10-12 , DOI: 10.1002/clen.202000056 Swayam Siddha 1 , Paulami Sahu 1
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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.
中文翻译：
印度古吉拉特邦中部地下水水质和相关人类健康风险评估
评估了古吉拉特邦中部Vishwamitri流域（VRB）的地下水质量，以评估其满足农业和饮水标准的能力，并通过消耗该地下水（如果有）确定相关的人类健康风险。饮用水的总体地下水质量由水质指数表示。钠吸附率，盐度危害，可溶性钠百分比，镁吸附率和凯利比等各种指标代表了地下水的农业适宜性。健康风险评估模型用于衡量非致癌性的人类健康危害。结果表明：i）地下水中存在痕量金属，如锂，锰，钼，锶，th，钒和锌，表明有害工农业废物污染了地下水；ii）VRB面积约78％的地下水不适合饮用；iii）最大地下水样品的Schoeller指数为正值表示Na的离子交换Ca 2+和Mg 2+的+和K +是控制地下水水质的主要机制。iv）SAR值表明地下水盐度很高或很高，因此不适合灌溉；v）健康风险评估模型披露，儿童胃肠道疾病的风险高于成人；并且口服摄入比暴露于皮肤更危险。
更新日期：2020-12-03
中文翻译：
印度古吉拉特邦中部地下水水质和相关人类健康风险评估
评估了古吉拉特邦中部Vishwamitri流域（VRB）的地下水质量，以评估其满足农业和饮水标准的能力，并通过消耗该地下水（如果有）确定相关的人类健康风险。饮用水的总体地下水质量由水质指数表示。钠吸附率，盐度危害，可溶性钠百分比，镁吸附率和凯利比等各种指标代表了地下水的农业适宜性。健康风险评估模型用于衡量非致癌性的人类健康危害。结果表明：i）地下水中存在痕量金属，如锂，锰，钼，锶，th，钒和锌，表明有害工农业废物污染了地下水；ii）VRB面积约78％的地下水不适合饮用；iii）最大地下水样品的Schoeller指数为正值表示Na的离子交换Ca 2+和Mg 2+的+和K +是控制地下水水质的主要机制。iv）SAR值表明地下水盐度很高或很高，因此不适合灌溉；v）健康风险评估模型披露，儿童胃肠道疾病的风险高于成人；并且口服摄入比暴露于皮肤更危险。
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