The present study aimed to assess the impact of municipal solid waste dumpsite on groundwater bodies at Hyderabad, India. Leachate and groundwater samples collected through pre-and post-monsoon analyzed the physicochemical, microbiological, biological and heavy metals. The analytical data were compared with Bureau of Indian Standards (BIS) drinking water quality standards. Water quality index (WQI), heavy metal pollution indices like heavy metal evaluation index (HEI) and degree of contamination (Cd) are calculated for groundwater samples. High total dissolve solids values in leachates revealed that they were highly contaminated with organic and inorganic salts. Biological oxygen demand values indicated that dumpsite was "old and stabilized" with decreasing biodegradability from time to time. According to WQI, about 75% of the water samples identified as "Poor" category that is not suitable for neither drinking nor domestic purposes as per BIS standards. Similarly, HEI and Cd results indicated that majority of the samples are labeled with low-metal pollution status. Spatial patterns obtained through geographic information systems using inverse distance weighted interpolation technique revealed that the concentrations of various parameters are high due to increased degradation of solid wastes during rainfall, especially during the post-monsoon. The study suggested that leachates have treated prior to disposal on land, and continuous monitoring of groundwater wells is required to minimize the pollution and potential health hazards.
The aim of the present work was to study the impact of dumpsite leachate on groundwater quality of Jawaharnagar village. Leachate and groundwater samples were investigated for various physico-chemical parameters viz., pH, total dissolved solids (TDS), total hardness (TH), calcium (Ca 2?), magnesium (Mg 2?), sodium (Na ?), potassium (K ?), chloride (Cl-), carbonates (CO 3 2-), bicarbonates (HCO 3-), nitrates (NO 3-), and sulphates (SO 4 2-) during dry and wet seasons in 2015 and were reported. The groundwater was hard to very hard in nature, and the concentrations of total dissolved solids, chlorides, and nitrates were found to be exceeding the permissible levels of WHO drinking water quality standards. Piper plots revealed that the dominant hydrochemical facies of the groundwater were of calcium chloride (CaCl 2) type and alkaline earths (Ca 2? and Mg 2?) exceed the alkali (Na ? and SO 4 2-), while the strong acids (Cland SO 4 2-) exceed the weak acids (CO 3 2and HCO 3-). According to USSL diagram, all the groundwater samples belong to high salinity and low-sodium type (C3S1). Overall, the groundwater samples collected around the dumpsite were found to be polluted and are unfit for human consumption but can be used for irrigation purpose with heavy drainage and irrigation patterns to control the salinity.
The present study deals with biomonitoring of Nira Right Bank Canal Division in Phaltan to assess the water quality. Samples were collected from six sampling stations for a period of two years physico-chemical analysis was carried out. Pollution status of the Nira Right Bank Canal Division in Phaltan is assessed on the basis of Palmer’s Index and physico-chemical parameters. Physico-chemical analysis biomonitoring data supported Palmer’s Algal Pollution Index and confirmed eutrophic condition and moderate water quality deterioration of the Nira Right Bank Canal Division in Phaltan. Hence Nira Right Bank Canal Division in Phaltan is suitable for drinking, domestic and recreational Purposes. We used physico-chemical and biological parameters to evaluate the water quality in Nira Right Bank Canal Division in Phaltan. The research was conducted in spring 2018, in six stations along the middle stream of Nira Right Bank Canal Division in Phaltan enters the cities of Phaltan and Natepute where it becomes a collector of many pollutants of diverse origin. Our research concluded that the Nira Right Bank Canal Division in Phaltan conditions are moderate in middle and downstream. The values of physico-chemical parameters and biotic indices indicate that the water quality in the upper flow is classified good to moderate, whereas in middle and down flow, due to the different activity in Nira Right Bank Canal Division in Phaltan, The water quality significantly decreases and is poor, respectively and bad quality.
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