Abstract
Water bodies, natural or man-made, are under threat due to rapid urbanization. This research paper assesses the water quality of 20 ponds located in the vicinity of urban habitats of Raipur district, Chhattisgarh (India) using the Water Quality Index (WQI). The samples were analyzed for 16 physicochemical parameters in the post-monsoon winter season. The parameters were used to calculate WQI and the ponds were categorized accordingly for end use purposes, that is, drinking, irrigation, industrial, or unfit for use without treatment. The WQI of post-monsoon samples resulted in that 75% of the total pond water samples are in excellent condition, & 25% of the samples are unfit for various activities like drinking, irrigation, industrial & domestic. A high value of nutrients was observed in all the ponds, suggesting that the nutrient entering through surface runoff, solid waste disposal, and wastewater is entering the ponds. Our results conclude that all ponds require interventional steps to restore pond water quality and stop it from further degradation, determining which trophic state of the ponds may change in the future. The spatial monitoring of physical and chemical properties of pond water helps to predict, identify, and assess the natural condition of the urban ponds and their relation with the surrounding (environment) and helps in adopting rejuvenation measures.
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