alexa PHYSICO-CHEMICAL ANALYSIS OF GROUND WATER CONTAMINATION


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Research Article

PHYSICO-CHEMICAL ANALYSIS OF GROUND WATER CONTAMINATION CAUSED BY INDUSTRIAL WASTE WATER IN FAISALABAD, PAKISTAN

Lubna Taj1, Sabir Hussain1, Shafaqat Ali1*, Mujahid Farid1, Muhammad Anwar-ul-Haq2, Umm-e-Habiba1, Samia Sajid1, Nouman Sharif1
  1. Department of Environmental Sciences, Government College University, Allama Iqbal Road, 38000, Faisalabad, Pakistan
  2. Nuclear Institute for Agriculture and Biology (NIAB), Jhang Road, Faisalabad, 38000, Pakistan
Corresponding Author: Shafaqat Ali, E-mail: [email protected]
 
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Abstract

Water is guarantee of life on earth and its contamination is an emerging global issue. The present study was carried out at Ayub Agricultural Research Center Faisalabad to determine the ground water contamination caused by industrial wastewater and the quality of water used for drinking purposes. In two surveys, effluents samples and groundwater samples were collected from 3 different locations of selected site Jaranwala road, drain Khurrianwala industrial estate. Physical parameters included color, odor, taste, pH, electrical conductivity and total suspended solids and chemical parameters included nitrate and concentration of principal anions like chloride were determined. The pH and EC was measured by using portable, direct reading instruments. The value of nitrate of ground water samples were estimated directly by ion meter. The silver nitrate method was used for chloride determination. Alkalinity of water (carbonates and bicarbonates) was determined by titration method. The heavy metals content was estimated by atomic absorption spectroscopy. pH values of water samples ranged from (7.32-7.57) while the standard value set by WHO is (6-8.5). Electrical conductivity of ground water samples ranged from (3.32-3.98 dS m-1), which is higher than the permissible limit set by WHO (3 dS m-1). The carbonate and bicarbonates values of ground water samples were also within WHO standards. All drinking water samples have chloride concentration higher (17-25 meq L-1) then the permissible limit set by WHO (7.04 meq L-1). The Total suspended solids for drinking water samples were (2124-2515 mg L-1) which were higher than standard values. The Nitrates present in drinking water samples ranged from (22.91- 44 mg L-1) were within permissible to (50 mg L-1). All drinking water samples have nitrate concentration in a permissible limit while the heavy metals content was in trace amounts. Overall result indicated that most of the parameters showed higher values than standards, which proved that industrial waste water damaging the quality of ground water (drinking water) adversely.

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