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`Physico-Chemical Analysis of Kaveri River Water in the Pre-Monsoon Season in Karnataka,India

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`Physico-Chemical Analysis of Kaveri River Water in the Pre-Monsoon Season in Karnataka,India Volume III, Issue IX, September 2014 IJLTEMAS ISSN 2278 - 2540 `Physico-Chemical Analysis of Kaveri River Water in the Pre-monsoon Season in Karnataka,India Anima Upadhyay1, M. Chandrakala2. 1,2Assistant Professor, Department of Chemistry, Sir MVIT, Bangalore, Karnataka, India. Abstract─The present study was carried out to analyze the parameters of the water of River Kaveri before the onset of quality of water of Kaveririver before the commencement of the Monsoon that could help in maintaining the quality of Rains. Kaveri is considered as lifeline of Southern India and river water for the users.The study aimed at the carry the same sentiments and importance as the holy river determination of various physico-chemical parameters such Ganga.It originates from the hills of Talakaveri in Coorga in as temperature, pH, Conductivity,TDS, Turbidity, Hardness, Karnataka and flows through the two Indian states of 2+ 2+ − Karnataka and Tamilnadu before merging with the Bay of Alkalinity, Concentration of Ca ,Mg and Cl ions etc and Bengal. Both states share the water for farming and irrigation compares these parameters with Indian and International of their lands. Krishnarajasagara is a massive dam built across standards to ensure the quality of Kaveriwaters. Kaveri near Mysore. Many historic, religious and tourist places have developed on the banks of the river. Thousands of II. MATERIALS AND METHODS tourist and pilgrims visit these places every year. This made the authors curious to study the quality of the water of river Samples were collected from two different places as per Kaveri. To begin with this the water samples from the standard procedures. Sample-1(S1) from near the Mysore riverwere collected at two different sites. Sample S-1was city and Sample-2 (S ) from near theCoorg city .The various collected near the Coorg city and sample S-2 was collected 2 from a tourist spotnear the Mysore city. The various Physico- Physical and Chemical parameters were studied and the Chemical parameters studied were temperature,pH, resultsobtained were compared with theWHO and ISI Conductivity, TDS, Turbidity, Hardness, Alkalinity, standards. Chemicals used for analysis were of AR grade. Concentration of Ca2+,Mg2+and Cl− ions etc. All these For thepreparation of the reagents glass distilled water was parameters were then compared with the WHO and ISI used. The glassware’s used were made up of Borosil. standardsto draw the final conclusion on the quality of water Electrical Conductivity, pH, and Turbidity were determined of the river. using Systronics-Conductometer,Digital Systronics pH – meter and Turbidity –meter, respectively. The major water Key Words: Kaveri River, Talkaveri, Coorg, Physico-Chemical quality parameters studied are pH, Conductivity,Turbidity, analysis, tourism Total hardness, Temporary hardness, Permanent hardness, Alkalinity, Total dissolved solids, Calcium ions,Magnesium I. INTRODUCTION ions, Chloride ions etc.Temperature of the samples was noted at their sampling points. Standards methods were iver Kaveri rises from the Western Ghats range in employed for determination of various parameters [12].The Karnataka. It is one among the sacred rivers in India WHO and ISI standards are listed in Table 1. R and is a lifeline of South India. Its water is shared by two Indian states Karnataka and Tamilnadu for Farming and Irrigation. River Kaveri has a wonderful history beginning III. DETERMINATION OF WATER QUALITY from prehistoric ages. On its banks beautiful picnic spots PARAMETERS and religious places are situated.This attracts thousands of The parameters studied in the present study are compared with WHO and ISI standards [13],[14]. The conclusion is national and international touristsin the state throughout the drawn after making a thorough comparison of the present year. Kaveri has many tributaries namely Hemavathi, Honnuhole, Arkavathy, Kapila, lakshmanaTheerth, Kabini, data with the standard values. For the determination of Total Lokapavani, Bhavani, Noyil and Amaravathi. It covers a hardness, Temporary hardness, Permanent hardness, distance of about 765 km before mergining into the Bay of Alkalinity, Total dissolved solids, Calcium, Magnesium and Bengal [1].Mushrooming hotels due to increased tourism, Chloride ions Standard methods were employed. use of excessiveinsecticides, Pesticides and urbanization, IV. RESULTS AND DISCUSSION have contributed to pollute the river water and affect the quality of the river water. This study was aimed at assessing the changes in water quality as it flows from its place of The water quality was analyzed by collecting samples at two origin in Coorg to Mysore. An extensive literature survey different places. Sample-1 (S1) and Sample-2 (S2) near the revealed that several workers have so far studied the water Mysore city and the Coorg city respectively. Results qualityof different rivers[2]-[11],still the study and analysis obtained in the study are tabulated in the Table 2. of the Kaveri river in Karnatakadid not attain much attention A. pH even after the huge momentum gained in the past two pH was found to be 7.5 and 7.1 forS and S respectively. S decades in the tourism industry in the state .So the authors 1 2 2 is well within the range of WHO and ISI standards but S is have made an effort in this direction to study the various 1 www.ijltemas.in Page 124 Volume III, Issue IX, September 2014 IJLTEMAS ISSN 2278 - 2540 towards the upper limit though within the range of the said mg/Land 08mg/L for samples S1 and S2respectively. standards. Table 2, Fig1 . Table2, Fig 3. E. Temporary Hardness 8 6 Bicarbonates of Calcium and Magnesium dissolved in water produces temporary hardness in water. It was found to be 4 110 mg/Land 130 mg/L in S1 and S2respectively. Table2, 2 Fig 3. pH → pH 0 F. Concentration of Calcium, Magnesium and Chloride 1 2 ions in sample water Sample number Concentration of Ca2+ was found to be 80 mg/L and 92 mg/L samples for S1 and S2 respectively which is slightly exceeding the permissible limits, while Mg2+ was found to Fig 1 Graphical representation of pH be 36 mg/L and 46 mg/L for S1 and S2 samples which also is higher compared to ISI standards but are within the WHO B. Total Dissolved Solids (TDS) − standards.Concentration ofCl ions was found to be TDS found in the analysis was 116 mg/L and 138 mg/L for 25.56mg/L and 25 mg/L in sample S1 and S2respectively.Table2, Fig 4. sample S1 and S2 respectively which is also within the standard limits.Table 2, Fig 2. 100 Ca2+ 250 ppm of CaCO3 200 (ppm ─ ) → 150 3 Mg2+ 100 Cl & ppm of CaCO3 2+ 2+ 50 , , Mg Cl- ppm of of CaCO of 0 TDs (ppm)TDs → 0 2+ CaCO3 Ca 1 2 1 2 Sample number Sample number Fig 4 Graphical representation of Calcium, Magnesium & Chloride ions Fig 2 Graphical representation of TDs G. Turbidity C.Total Hardness The turbidity in the two samples S1 and S2was reported to be 16 NTU and 12 NTU respectively.Table2,Fig 5. S1 and S2 sample gave 116 mg/L and 138 mg/L of total Hardness which according to WHO standard is exceeding the limit of total hardness but is within the range of ISI 20 standards. Table 2,Fig 3. → 15 200 Total 10 hardness (ppm of 5 CaCO3) Tur bidity bidity (NTU) Tur 0 CaCO3) → CaCO3) Temporary 1 2 Hardness (ppmHardnessof hardness Sample number 0 (ppm of CaCO3) 1 2 Fig 5 Graphical representation of Turbidity Sample number H. Alkalinity Fig 3 Graphical representation of Total, Temporary and Permanent hardness The acid neutralizing capacity of water is called alkalinity and is due to the presence of OH−,CO 2−and HCO − ions in D. Permanent Hardness 3 3 water. The alkalinity of the samples S1 and S2 was found to Permanent hardness is due to chlorides and sulphates of be 172 mg/L and 189mg/L respectively.This also is very Calcium and Magnesium. It was found to be as little as 06 www.ijltemas.in Page 125 Volume III, Issue IX, September 2014 IJLTEMAS ISSN 2278 - 2540 high according to WHO standards but is within the ISI TABLE 2 standards.Table 2,Fig 6. WATER QUALITY PARAMETERS KAVERI RIVER WATER 195 SL. Parameters Method S1 S2 190 No 0 0 → 185 1 Temp. Thermometric 25 C 23 C 180 2 pH pH metery 7.5 7.1 175 3 Electrical Conductivity(μ Conductometry 290 320 170 s/cm) 4 Total Dissolved Filtration Method 198 142 165 Solid(mg/L) 160 Alkalinity (mg/L) Alkalinity 5 Total Hardness (mg/L) EDTA titration 116 138 1 2 6 Temporary hardness(mg/L) EDTA titration 110 130 Sample number 7 Permanent hardness(mg/L) EDTA titration 6 8 8 Calcium(mg/L) EDTA titration 80 92 Fig 6 Graphical representation of Alkalinity 9 Magnesium(mg/L) EDTA titration 36 46 10 Turbidity (NTU) Turbidity meter 16 12 I. Electrical Conductivity(EC) 11 Chloride(mg/L) Argentometric 25.56 25 Titration Electrical Conductivity was found to be within the limits of 12 Alkalinity (mg/L) Titration Method 172 189 both the national and international standards, 290 휇s/cm for S1 and 320 휇s/cm for S2.Table 2, Fig 7 CONCLUSION 330 320 The above study suggests that both the samples collected 310 from river Kaveri at two different places were mostly in 300 accordance with the WHO and ISI Standards except for pH → 290 of the water, Concentration of Calcium and Magnesium ions 280 and Alkalinity which was found to be a little high reaching the upper limit or even exceeding it. This may be due to the 270 weathering of rocks that could lead to higher Concentration Electrical ConductivityElectrical 1 2 of Calcium and Magnesium ions in water and may resultinto Sample number an increased pH and thus the alkalinity.
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