During the study period (1999-2001) thirty parameters were analyzed and average of six determinations were examined. Transparency was in range of 4.42-13.42 cm, dissolved oxygen remained absent at all sampling stations, Biological Oxygen Demand (BOD5) 367-177 mg L-1, Chemical Oxygen Demand (COD) 648-312 mg L-1, total nitrogen 33.94-12.8 mg L-1 and total phosphate 7.19-2.6 mg L-1. Inorganic pollutants: chloride, total residues, total filterable residues and total non-filterable residues were calculated. The average metal ions sodium, calcium, magnesium and potassium were observed in the range of 98.7-314, 59-148, 30-81.6 and 23.4-56.8 mg L-1, respectively. SAR values were calculated in the range of 2.47-5.3. The total quantities of wastewater discharge from Hyderabad city areas were calculated to be 103235 m3/day. The results indicate 26.94 ton/day of chloride, 0.46 t/day of total hydrolysable phosphate, 2.43 t/day of Kjeldahl nitrogen, 152.02 t/day of total residues, 144.98 t/day of total filterable residues, 36.10 t/day of non-filterable residues, 17.30 t/day of sodium, 8.51 t/day of calcium, 4.91 t/day of magnesium and 3.46 t/day of potassium.
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Abdullah Laghari, Shah Nawaz Chandio, M.Y. Khuhawar, T.M. Jahangir and S.M. Laghari, 2004. PhysicoBchemical Study and Budgeting of Wastewater from Hyderabad City Limits. Journal of Biological Sciences, 4: 317-322.