International Research Journal of Environment Sciences________________________________ ISSN 2319–1414Vol. 2(4), 34-38, April (2013) Int. Res. J. Environment Sci. International Science Congress Association 34 Environmental Impact of Industrial Effluent in Vaigai River and the Ground Water in and around the River at Anaipatti of Dindigul Distt, Tamil Nadu, India Jesu A.1,2, Prabudoss Kumar L., Kandasamy K. and Dheenadayalan M.S.2 Kathir College of Engineering, Department of Chemistry, Neelambur, Coimbatore, Tamil Nadu, INDIA P.G. and Research Department of Chemistry G.T.N Arts College, Dindigul, Tamil Nadu, INDIA Available online at: www.isca.in Received 18th October 2012, revised 19th January 2013, accepted 31th January 2013Abstract Environmental includes water , air, land and the inter-relationship which exists among water, air, land and human being, other living creatures, plants, micro-organism and property. Environmental pollutant means any solid, liquid or gaseous substance presentation in concentration as may be injurious to environment. Environmental pollution means the presence in the environment of any environment pollutant. Hazardous substance means any substance or preparation which by reason of its physico-chemical properties or handling is liable to cause harm to human beings, other living creatures, plants, micro-organism, property or the environment. The problem of pollution of rivers and streams has assumed considerable importance and urgency to urbanization. It is therefore essential to ensure that the industrial effluent and domestic sewage water is not to be allowed to discharge in to the water courses without adequate treatment. As such discharges would render the water unsuitable as source of drinking water as well as for supporting fish life and also for use in irrigation. Pollution of rivers and streams also causes increasing damage to the country’s economy. An attempt has been made to study the impact of untreated sewage in the river located Nilakkottai in Dindigul. In fact the sanitary waste water comprises about 99.9% of water along with micro-organism. Once the river water was used for bathing, washing and also for agricultural purpose, but at present the water has become the place of collection of sewage water along with industrial effluent. In order to evaluate the physical, chemical parameters, the water samples from the river and also from the well and from bore well were collected from the residence located in and around the river and also on the banks of the Vaigai River. On any account the sewage water should not be discharged in to the river water, which causes river water pollution and ground water pollution. In long run the water becomes unfit for domestic and human consumption. The physico-chemical analysis of water in the river as well as the ground water sources around the river reveals that there is high turbidity, high TDS shows that the water cannot be used for drinking purposes. The electrical conductivity, the total hardness, the high chloride value in the ground water sources indicates that the water cannot be used for human consumption. The safest way for the residence is to abandon the river water sources in order to escape from the water borne diseases caused by the use of polluted river water. Keywords: groundwater, physico-chemical, total dissolved solids, E. c, water quality. Introduction Over 97% of all the water an earth is salty and most of the remaining 3% is frozen in the polar ice caps. The Atmosphere, River, lakes, and underground stores hold less than 1% of all the fresh water needed to support the earth’s population. Most fresh water pollution is caused by the addition of organic material is mainly sewage but can be food waste or farm effluent, bacteria and other micro-organism feed on organic matter and large populations quickly develop using up much of the oxygen dissolved in the water. The chemical waste products from industrial process are sometimes accidentally discharged in to river. Examples of such pollutants include cyanide, zinc, lead, copper, cadmium, and mercury. This substance may enter the water in such high concentration that fish and other animals are killed immediately. These are several source of water pollution which work together to reduce overall river water quality. Industry and agriculture discharge liquid waste product. Rain as it falls through the air or drains from urban areas and farmland absorbs contaminants serious incidents resulting from spillage or discharges of toxic chemicals from the pollution of river. Many industrial wastes discharged in to water mixtures of chemicals which are difficult to treat10. Some industrial wastes are so toxic that they are strictly controlled, making them an expensive problem to deal with some companies try to cut the costs of safety dealing with waste by illegally dumping chemicals11. Need for the present study: The number of sewage water and the industrial effluents discharges in to the VaigaiRiver is increasing day by day. The absence of treatment plant to treat the sewage water and effluent treatment plant lead to the spoilage of environment. One fine morning, people will not be able to get good quality of drinking water from the river and wells. In the study area of sewage is discharged in to the right bank of River Vaigai. The industrial effluent is also discharged from the left side of river. Polluted water contaminates the surface and ground water. The environmental damage caused by water pollution by the discharge of sewage water and industrial International Research Journal of Environment Sciences______________________________________________ ISSN 2319–1414 Vol. 2(4), 34-38, April (2013) Int. Res. J. Environment Sci. International Science Congress Association 35 effluent in Vaigai River has not been so for studied. Hence the present investigation was carried to study the comprehensive pollution impact of sewage water and the industrial effluent on Vaigai River and ground water. Objectives of the present study: To study the impact of industrial effluent and sewage water on river water quality. To study the ground water quality in the wells and bore wells on the river bank. To suggest a suitable remedial measures for the treatment of water. Material and Methods Geography of the study area: Vaigai River selected for the study is located in the southern part of Tamilnadu, India. Vaigai its origin in the Western Ghats and flows through Periyakulam and has its reservoir at Nilakottai called Vaigai Dam in Anaipatty. The river flows across the TalukNilakottai of Dindigul District towards Madurai. The Vaigai River has many industries in the tank, located at Vilampatty, Nilakottai Talk on the banks of the river. The effluents released from the industry causes pollution of water in the river. The ground water around the river and the industry are also polluted. Table-1 Guidelines of bureau of standard (BIS) and significance / health effects of chemical parametersParameters BIS guidelineSignificance/ health effects Color in pt/co scale 25 Consumer acceptance decreases Turbidity 10 NTU Consumer acceptance decreases TDS 500mg/L Undesirable taste, gastro-intestinal irritation, corrosion P H 6.5-8.5 Beyond this range ,mucous membranes affected, corrosion, Life affected CaCo 600mg/L Poor lather with soap, scale forming, skin irritation, food poor in quality, boiled meat, deterioration of cloths. Ca 200mg/L Poor lather with soap and deterioration of cloths scale formation. Mg 100mg/L Poor lather with soap and deterioration of clothes, with sulfate laxative, encrustation in water supply structure. Fe 1.0mg/L Poor or sometime bitter taste, stinging of materials, iron bacteria, iron causing slime. NH 3 - Indicates pollution, growth of algae. NO 2 - Forms nitrosamine’s which are carcinogenic. NO 3 100mg/L Blue baby disease, algal growth. SO 4 400mg/L Taste affected, laxative effect, gastro intestinal irritation. Cl 100mg/L Taste affected corrosive. F 1.5mg/L Dental and skeletal flourish, non-skeletal manifestation PO 4 - Algal growth Figure-1 The investigator collecting samples from river water and the ground water on the Vaigai River bank Figure-2 Chemical Parameters of Various sample graph ( S TO S – Samples) International Research Journal of Environment Sciences______________________________________________ ISSN 2319–1414 Vol. 2(4), 34-38, April (2013) Int. Res. J. Environment Sci. International Science Congress Association 36 Table-2 Water Quality Analysis S.No Water quality parameter Methods of analysis 1 Colour Visual comparison 2 Turbidity By Nephelometric method 3 Total dissolved solids By Conductivity meter 4 electrical conductivity By Conductivity meter 5 P H By Digital P H meter 6 Total hardness CaCo3 By EDTA method 7 Alkalinity By Titration method 8 Calcium By ETDA method 9 Magnesium By EDTA method 10 Iron By Calorimetrically 11 Manganese BySpectrophotometer 12 Ammonia By Nesslerization method 13 Nitrite By Spectrophotometer 14 Nitrate By Spectrophotometer 15 Sodium and pottassium By Flame photometer 16 Chloride By Argentometric method 17 Fluoride By Calorimetrically 18 Sulphate By Gravimetric method 19 Phosphate By Calorimetrically Results and discussionThe physical and chemical parameter analysis of river water and the ground water on the Vaigai River bank are presented and discussed. In order to study the impact of industrial effluent and sewage water disposal in the VaigaiRiver a study is carried out to assess the extent and magnitude of surface water contamination and ground water contamination along the downstream of Vaigai River. The results of the sample from the river and the ground water for the various physico-chemical analyses from the Vaigai River are discussed. The variation in the various physic-chemical parameters of the river water and the ground water at different distance from the river were measured12. The level of various physico-chemical factors indicates the pollution was found to exceed water the quality standards and affects the water quality and water utility pattern13. The ground water was found to be of low quality near the rivers and the level of pollutants found to decrease with increase in distance of the water source from the polluted river14. Electrical conductivity is an important parameter to find the dissolved electrolytes in water. The normal value of electrical conductivity is 1 to 2 micro mhos/cm. but the river has the values of 451 and 457 micro mhos/cm. These values are higher than the permissible limit. The higher values are recorded at ground water sources adjacent to the river. The total dissolved solids in water include all the dissolved solids. In the present study the total dissolved solids ranges from 562 mg/l and 1456 mg/l. Physical and chemical parameters changes in water are depends on pH of the water. The chemical examination of the water samples shows that the pH value from 6.84 to 7.67. The permissible limit prescribed by WHO and BISstandards are 7.0 to 8.5. Hardness is the measure of calcium and magnesium in the water. The highest desirable limit prescribed by BIS is 100mg/l for drinking water. But the hardness of the samples is higher than the permissible limit. It means the water is very hard. According to BIS the highest acceptable chloride concentration is specified as 200mg/l for drinking purpose. In the present study the chloride values are higher than the permissible limit. Hence the water cannot be used for the domestic purposes. The increase of calcium in water contributes to hardness in water and thereby reducing the utility of water for domestic purposes. The normal acceptable limit prescribed by BIS is 75mg/l. But in the present study the river water has the values of 80 and 280. Conclusion The present study is attempted to evaluate the extent of pollution of ground water in and around the Vaigai River located at Nilakottai at Dindigul District. This study was carried out to assess the magnitude of the pollution problems in Vaigai River. The aim is to analyses and understands the toxic effect of sewage water and solid wastes in drinking water and to assess the day to day life of people nearby Vaigai River. Based on findings of the investigation, it is concluded that the sewage water must be treated before discharge. The absence of any organized industrial and sewage disposal system in Nilakottai, the community wastes often find their way to the nearby Vaigai River. The physico-chemical analysis of water in the river as well as the ground water sources around the river reveals that there is high turbidity, high TDS shows that the water cannot be used for drinking purposes. The electrical conductivity, the total hardness, the high chloride value in the ground water sources indicates that the water cannot be used for human consumption. In order to prevent the river water pollution, use of synthetic detergents containing phosphate should be banned. This will prevent the eutrophication in the river. The sewage water which used to mix in the river water should be diverted in to the underground drainage system. During the rainy season the rain water harvesting in the river bed is essential to reduce the impact of sewage pollution. In order to improve the quality of ground water around the river a suitable R.O. system can be used to remove salts present in the water. International Research Journal of Environment Sciences______________________________________________ ISSN 2319–1414 Vol. 2(4), 34-38, April (2013) Int. Res. J. Environment Sci. International Science Congress Association 37 Table-3 Result of the sample from the river and the ground water for the various physico-chemical analyses from the Vaigai River water quality parameters CPHEEO STD A CPHEEO STD B S1 S2 S3 S4 S5 S6 S7 S8 S9 Physical parameters: Colour, (Hazen units, Max ) - - Colour less Colour less Colour less Colour less Colour less Colour less Colour Less Colour less Colourless Odour Unobjectonable Unobjectonable None None None None None None None None None Turbidity ( NTU, Max) 2.5 10 5 4 6 5 5 6 4 3 4 Total dissolved solids mg/lt 500 2000 562 541 609 1029 1400 1456 760 1020 550 Electrical Conductivity - - 1220 585 1670 590 2750 1790 2610 1020 650 Ph 7.0-8.5 6.5-9.2 7.02 6.66 7.21 7.18 7.56 7.74 7.04 7.03 7.26 Alkanity Total 200 600 256 260 400 220 1000 380 670 280 312 Total Hardness as CaCO3 (Mg/I) 200 600 245 255 398 215 998 370 672 276 310 Calcium (as Ca) mg/lit,Max 75 100 84 80 80 78 280 80 128 45 64 Magesium as Mg mg/I 30 150 23 31 48 24 72 43 84 40 36 Sodium as Na mg/I - - 196 112 204 156 260 296 54 59 54 Potassium as K mg/I - - 31 24 34 35 68 86 8 15 8 Iron as Fe mg/I 0.1 1 0.93 0.2 0.07 0.14 0.3 0.09 0.9 0.5 0.9 Manganese as Mn mg/I 0.05 0.1 0 0 0 0 0 0 0 0 0 Ammonia as NH 3 mg/I - - 0.03 0.03 0.09 0.08 0.07 0.08 0.08 0.04 0.08 Nitrite as NOmg/I - - 0.02 0.05 0.09 0.05 0.11 0.12 0.06 0.05 0.06 Nitrate as NOmg/I 45 45 15 4 4 5 24 18 5 5 5 Chloride as Cl mg/I 200 1000 190 120 220 42 890 210 775 144 60 Fluoride as F mg/I 1 1.5 1.0 0.6 1.2 0.3 0.6 1.5 0.8 1.0 0.7 Sulphate as SOmg/I 200 400 22 95 194 29 54 72 20 56 31 Phosphate as PO 4 - - 0.68 0.04 0.04 0.06 0.42 0.5 0.21 0.24 0.21 Tidys’s test 4 hrs as O 2 mg/I - - 0.32 0.32 0.16 0.19 0.24 0.28 0.28 0.32 0.28 CPHEEO: central public health engineering and environmental organization. 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