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Study of water quality parameters in drinking water samples collected from different areas in and around Cheyyar Taluk, Thiruvannamalai District

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Author: 
Muthu, M. and Subramanian, N.
Abstract: 

Water is the major constituent of all living things and needed by them for various purposes. The drinking water samples were collected from ten different source (Periya Koil Bore well (A), Periya Koil Pond (B), Kil pudhupakkam Bore well (C), Thiruvathipuram River (D), Valarpuram Bore well (E), Perunkalathur samathuvapuram Bore well (F), Perunkalathur Bore well (G), Vanniyanthangal open well (H), Thumbai open well (I) and Mangalam Bore well (J) of Cheyyar Taluk, Thiruvannamalai District.The Physical (Appearance, Color,Odour, Turbidity, Total Dissolved Solids and Electrical Conductivity), Chemical (pH, O2, CO2, Salinity, Hardness, Calcium, Mangnesium, Sodium, Potasssium, Iron, Manganese, Free Ammonia, Nitrite, Nitrate, chloride, Fluoride, Sulphate, Phosphate and Tidys Test) and Biological parameters of all water samples were analyzed. All the water samples (except sample B), A to J were normal and clear appearance. The sample B showed greenish in appearance. The Colour and Odour of all water samples (except sample B) A to J showed Colourless, and Odourless. But the sample B showed greenish in Colour and algal Odour. The Turbidity of sample B showed 52 NT/Units which was beyond the permissible limit (1 to 5 NT/Units). The Total Dissolved Solids of all water samples were showed within the permissible limit. The normal range of TDS is 500 to 2000 mg/L. The sample A showed 546 mg/L, B showed 146 mg/L, C showed 510 mg/L, D showed 688 mg/L, E showed 716 mg/L, F showed 826 mg/L, G showed 386 mg/L, H showed 752 mg/L, I showed 672 mg/L and J showed 576 mg/L. The Electrical Conductivity of all water samples were normal range and not exceeding the permissible limit. The sample B showed algal present and high level of Turbidity (52 NT/Units). All the Chemical parameters except iron concentration were within the permissible limit.O2, CO2 and salinity of all water samples showed normal range. (0.41 ml of O2 /l, 1.78 ml of CO2/l, and 0.32 ppm). The pH of all water samples showed from 7.2 to 8.09. The Alkalinity of all water samples showed within the normal limit. The minimum of 36 mg/L in sample B and maximum of 380 mg/L in sample F. The amounts of Hardness present in all the water samples were within the normal level. (36 mg/L to 336 mg/L). Calcium and Magnesium in all the water samples were within the normal level, but in sample B very low level of Calcium and Magnesium were observed (8 and 4 mg/L). Regarding Iron concentration, except sample B all the water samples showed absence of iron concentration. But sample B showed much higher level of (1.30 mg/L) iron concentration which was exceeded the permissible limit (0.3 mg/L). Manganese, Free Ammonia, Nitrite, Nitrate, Chloride, Fluoride, Sulphate and Phosphate of all water samples (A to J) were showed very little amount in some sample they were totally absent. All the water samples except sample B are chemically potable but chlorination is necessary before the water is used for drinking purpose.

EDITOR-IN-CHIEF

        

            Prof. Dr. ISMAIL YILDIRIM

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