The research paper published by IJSER journal is about Quality Analysis Of Water Of Two Districts (Murshidabad And Birbhum) Of West Bengal 1

ISSN 2229-5518

QUALITY ANALYSIS OF WATER OF TWO DISTRICTS (MURSHIDABAD AND BIRBHUM) OF WEST BENGAL Ishani Roy Chowdhury(*1)

CMJ UNIVERSITY

SHILLONG

ABSTRACT

*1 Research Scholar – Senior Chemistry Teacher , Welland Gouldsmith School,Kolkata
Ishani.roychowdhury@gmail.com

Water is a liquid at ambient conditions and it often co-exists on Earth with its solid state ice & gaseous state water vapors or steam. Water covers 70.9% of the earth’s surface and is vital for all forms of life. Water on earth moves continually through a cycle of evaporation or transpiration, precipitation and runoff, ultimately reaching the sea. Water is an essential requisite for life for human beings, animals or plants. The present research work is to analyze the health of the water bodies of the two districts of West Bengal (Murshidabad and Birbhum) in order to make the people aware that consumption of polluted water may cause morbidity and mortality not only to them but to the ecosystem as a whole.

KEY WORDS :

Ambient condition, evaporation, transpiration, precipitation, consumption, morbidity, mortality.

The research work is based on the Quality Analysis of water of two districts of West Bengal(Murshidabad and Birbhum) and to find the ways for the various usable purposes. Natural ground water bodies like wells,tubewells etc are subjected to pollution comprising of organic and inorganic constituents. Therefore determination of ground water quality along with agricultural and industrial waste water is important from the view to observe the suitability of water for a particular use(1) . The present research work is however an attempt to estimate the water pollutants qualitatively and quantitatively to get a better insight of the various water sources. The samples of water are collected from five sources,viz pond, river, tubewell, agricultural fields and Industrial wastes from the two districts of Murshidabad and Birbhum and analyzed following APHA et al(2).

METHODS

Water samples were collected from the respective spots of the two districts Murshidabad and Birbhum during the post- monsoon period between 0800 to 1200 hours. The estimation of pH, total hardness BOD,COD, suspended solids, heavy metals along with the bacteriological organisms were analyzed in the laboratory after collecting the samples(3)(4).

RESULTS AND DISCUSSIONS :

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The research paper published by IJSER journal is about Quality Analysis Of Water Of Two Districts (Murshidabad And Birbhum) Of West Bengal 2

ISSN 2229-5518

The physical and chemical parameters of the five water samples collected from different sources from the two districts Murshidabad and Birbhum are given in Table 1 and 2 respectively. The values of pH, total hardness, suspended solids and COD were below the IS permissible levels indicating that the quality of water from the above mentioned sources were within the safe standards. However, the investigation showed high values of BOD especially in the industrial waste water.

MURSHIDABAD DISTRICT (TABLE 1)

SOURCES

BOD

mg/lit

COD

mg/lit

pH

HARDNESS

(CaCO3)

mg/lit

SUSPENDED

PARTICLES

NORMAL VALUE

30

250

6.5-8.5

300

500

POND WATER

4.0

18

7.4

226

42

RIVER WATER

5.0

6.0

7.7

147

27

GROUND WATER

3.0

5.0

8.0

408

18

AGRICULTURAL WATER

12

62

7.5

139

22

INDUSTRIAL WASTE

WATER

42

101

6.5

330

50

BIRBHUM DISTRICT (TABLE – 2)

SOURCES

BOD

mg/lit

COD

mg/lit

pH

HARDNESS

(CaCO3)

mg/lit

SUSPENDED

PARTICLES

NORMAL VALUE

30

250

6.5-8.5

300

500

POND WATER

8.0

18

7.3

71

51

RIVER WATER

5.0

8.8

6.8

131

112

GROUND WATER

3.0

5.0

7.3

90

10

AGRICULATURE WATER

10

44

8.4

83

22

INDUSTRIAL WASTE

WATER

40

123

2.7

485

91

The bacteriological investigation showed a positive test of coli form bacteria(5) .The results are shown in Table-3,which indicates that the ground water and pond water of the two districts are contaminated with pathogenic bacteria which may cause serious human illness.

MICRO-ORGANISMS FOUND IN GROUND WATER AND POND WATER

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The research paper published by IJSER journal is about Quality Analysis Of Water Of Two Districts (Murshidabad And Birbhum) Of West Bengal 3

ISSN 2229-5518

(Table-3)

PARAMETERS

(IN NUMBER)

MURSHIDABAD

BIRBHUM

1. Coliform organism per 100

ml.

2100 - 3200

2400

2. Faecal Coliform per 100 ml

130

160

3. E. Coli per 100 ml.

110

105

The heavy metals were detected by Atomic Absorption Spectrophotometric method (6) and the data from Table-4 indicates the presence of a higher percentage of Arsenic in ground water collected from the two districts. Dipankar Chakraborty head of the department of Environmental Studies, Jadavpur University(WB) told in a seminar recently that arsenic poisoning has assumed dangerous proportions in West Bengal.In 1988,only seven villages were affected but now, the number has risen to 840 villages this year,he said. He also said that 2 million people were drinking water infected by Arsenic in eight districts of West Bengal including Murshidabad and Birbhum.

HEAVY METALS IN GROUND WATER (Table-4)

METALS

NORMAL VALUE

MURSHIDABAD

BIRBHUM

Iron (Fe)

3.0

0.2

0.2

Cadmium (Cd)

2.0

0.021

0.019

Arsenic (As)

0.001-0.002

0.008

0.004

Lead (Pb)

1.0

0.05

0.04

Zinc (Zn)

0.1

0.15

0.83

Chromium (Cr)

0.05

0.05

0.06

CONCLUSIIVE REMARKS

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ISSN 2229-5518

It may thus be stated that water pollution has become a major global problem which require on going evaluation and revision of water resource policy at all levels. It has been suggested that it is the leading worldwide cause of deaths and diseases.(7)
Therefore it may be remarked at this level of the research work that water quality monitoring is an important exercise for the evaluation of the nature and extent of various contaminants. The present research work aims at developing a long range strategic plans to meet the future needs for the community growth and expanding the purpose solving efforts in respect of the usable water sources.

ACKNOWLEDGEMENT

Support for this work was provided by my guide Dr. Suhas Bhattacharya,my husband Advocate S.K.Roy Chowdhury and
R.V.Briggs and Co.(P) Ltd. Kolkata.

REFERANCES.

1. Kumaran P.G.N.Bhargava and T.S.Bhakuni. 1971
Fluorides in ground water and endemic fluorosis in Rajasthan.Indian J.Environ.Hlth-13:316.
2. APHA,AWWA and WPCF,1992 Standard methods for the estimation of water and waste water,
19th edition. Am.Pub.Hlth.Assoc.,New York,USA.
3. APHA,AWWA and WPCF,1998.Standard methods for examination of water and waste water,
20th edition,Washington DC,USA.
4. Trivedy R.K. and P.K.Goel 1984.Chemical and Biological methods for water pollution studies
Environ.Publ.Karad,India.
5. APHA,20th edition, method 9222D for the bacteriological estimation using multiple tube dilution technique.
6. APHA,20th edition,3111B,3111C,3500 FeB,Atomic Absorption Spectrophometric method (AAS) certified references for individual metals traceable to NIST (National Institution of Standard Technology).
7. Pink,Daniel H(April 9,2006)”Investing in Tomorrow’s Liquid Gold”

LEGEND

Fig 1 : Comparative study of the various parameters of districts of Murshidabad and Birbhum.

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International Journal of Scientific & Engineering Research Vo lume 3, Issue 5, May-2012 5

ISSN 2229-5518

Fig.2: Comparative study of heavy metals presents in deep tube well water of the two districts of Murshidabad and

Birbhum.

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ISSN 2229-5518

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FIG- 2 COMPARATIVE STUDY OF HEAVY METALS PRESENT IN DEEP TUBEWELL WATER OF THE TWO DISTRICTS,HOOGHLY & HOWRAH.

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