Assessing the impact of seasonal groundwater variability on the performance of arsenic removal by iron amended ceramic filter

Iron (Fe) amended ceramic filters (CFs) have been proven to be the sustainable, low-cost method for arsenic (As) removal from groundwater. The impact of seasonal fluctuations in groundwater composition on CFs’ performance has not been passably investigated. The present study assessed the seasonal variability of groundwater quality influencing removal by CFs. Five ceramic filter units made of low-cost ceramic filters and iron netting were installed and monitored in rural households in the Southeastern region of Bangladesh during wet and dry seasons. Raw groundwater and CFs effluents were randomly sampled and analyzed in both seasons. The groundwater redox potential (Eh) and electrical conductivity (EC) decreased by 13–40