Occurrence, seasonality, and risk assessment of (anti)estrogenic compounds in bankside groundwater in Wuchang City, China Online publication date: Tue, 14-Dec-2021
by Jian Li; Rongfang Wang; Hedan Liu; Chenglian Feng
International Journal of Environment and Pollution (IJEP), Vol. 68, No. 1/2, 2020
Abstract: Riverbank filtration (RBF) is widely used in drinking water supplies. This work highlights the importance of assessing the quality of bankside groundwater through evaluation of the potential health risks using recombinant estrogen receptor (ER) gene yeast assays in conjunction with a novel risk assessment approach. While none of the water samples collected from Wuchang City, China exhibited ER agonistic activity, they all demonstrated (anti-)estrogenic activity. The bioassay-derived 4-hydroxytamoxifen equivalents (HTQs) ranged from 0.29 μg/L to 44.43 μg/L, which decreased after RBF treatment. For the bankside groundwater samples, the HTQ values were higher during the rainy season than during any other season, showing that climate change has the potential to affect the quality of bankside groundwater. A risk assessment was performed, and the results suggested that (anti-)estrogenic endocrine disruptors will have a low impact on human health.
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