Abstract
In the present work groundwater samples were collected from ten different data points in and around Jawaharnagar municipal dumpsite, Telangana State Hyderabad city from May 2015 to May 2016 on monthly basis for groundwater quality characterization. Pearson’s correlation coefficient (r) value was determined using correlation matrix to identify the highly correlated and interrelated water quality standards issued by Bureau of Indian Standard (IS-10500:2012). It is found that most of the groundwater samples are above acceptable limits and are not potable. The chemical analysis results revealed that pH range from 7.2 to 7.8, TA 222 to 427 mg/l, TDS 512 to 854 mg/l, TH 420 to 584 mg/l, Calcium 115 to 140 mg/l, Magnesium 55 to 115 mg/l, Chlorides 202 to 290 mg/l, Sulphates 170 to 250 mg/l, Nitrates 6.5 to 11.3 mg/l, and Fluoride 0.9 to 1.7 mg/l. All samples showed higher range of physicochemical parameters except nitrate content which was lower than permissible limit. Highly positive correlation was observed between pH–TH (r = 0.5063), TA–Cl− (r = 0.5896), TDS–SO4− (r = 0.5125), Mg2+–NO3− (r = 0.5543) and Cl−–F− (r = 0.7786). The groundwater samples in and around Jawaharnagar municipal dumpsite implies that groundwater samples were contaminated by municipal leachate migration from open dumpsite. The results revealed that the systematic calculations of correlation coefficient between water parameters and regression analysis provide qualitative and rapid monitoring of groundwater quality.
Highlights
The solid waste generation has become a burning environmental and public health problem everywhere in the world (Akoteyon et al 2011)
The physicochemical characteristics in the leachate sample depend upon the waste composition and moisture content of solid waste (Denutsui et al 2012)
The results when compared with the drinking water quality standards issued by BIS-10500, the groundwater samples were found to be not potable
Summary
The solid waste generation has become a burning environmental and public health problem everywhere in the world (Akoteyon et al 2011). Disposing of solid waste in open dumps is the oldest and common way. The common danger reported to human health is using groundwater that has been polluted by municipal leachate (Kanmani and Gandhimathi 2013). Open landfills are located wherever land is available, without regard to esthetical degradation, safety and health hazard (Sabahi et al 2009). From these open landfills the commonly reported danger to the human health is by consuming the groundwater contaminated by leachate (Jhamnani and Singh 2009). The leachate generated from dumpsite contain elements like ammonia, nitrogen, potassium, calcium and magnesium, trace metals like lead, nickel, chromium, manganese, iron copper and organic compounds like chloroform, toluene, acetone, benzene, phenols, hydrocarbons, etc. (Freeze and Cherry 1979)
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