Ganga-Meghna Brahmaputra || West Bengal || Bangladesh || Middle Ganga Plain, Bihar || Uttarpradesh
Jharkhand || North-East Hilly States || Rajnandgaon, Chattisgar || Behala, Kolkata, WB || As toxicity- Homeopathic Treatment
Effectiveness & Reliability - As Field Testing Kits || Utility Of Treatment Plant
Causes, Effects & Remedies - Groundwater As Calamity || References

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[A] Physical parameters and present arsenic status in Bhojpur district of Bihar

Physical parameters

Bhojpur

Area in sq. km

2474

Population in million (according to 2001 Census)

1.80

Total number of block

14

No. of  block surveyed  and groundwater arsenic above 50 mg/L)

3

Number of arsenic affected block where groundwater arsenic above 50 mg/L

3

Total number of water samples analyzed

6317

% of samples having arsenic > 10 mg/L

38.08

% of samples having arsenic > 50 mg/L

19.87

% of samples having arsenic > 300 mg/L *

4.56

Number of Gram - Panchayet surveyed

44

Number of arsenic affected GP (approx.) where groundwater arsenic above 50 mg/L

30

Number of arsenic affected GP (approx.) where groundwater arsenic above 10 mg/L

36

Number of village surveyed

115

Number of arsenic affected villages (approx.) where groundwater arsenic above 50 mg/L

73

Number of arsenic affected villages (approx.) where groundwater arsenic above 10 mg/L

96

Total hair, nail and urine samples analyzed

603

Arsenic above normal level (average) in biological samples

82 %  hair, 89 % nail,  91% urine

People screened for arsenic patients (preliminary survey)

1322

Number of registered patients with clinical manifestations

161

 

[B] Physical parameters and present arsenic status in Buxar district of Bihar

Physical parameters

Buxar

Area in sq. km

    1624

Population in million (according to 2001 Census)

1.40

Total number of water samples analyzed

3,217

% of samples having arsenic > 10 mg/L

34.60

% of samples having arsenic > 50 mg/L

22.63

% of samples having arsenic > 300 mg/L *

6.15

% of samples having arsenic > 500 mg/L

2.49

Maximum arsenic concentration so far we analyzed  (mg/L )

2182

Total number of block

11

No. of  block surveyed 

6

Number of arsenic affected block (approx.) where groundwater arsenic above 50 mg/L

5

Number of Gram - Panchayet surveyed

24

Number of arsenic affected GP (approx.) where groundwater arsenic above 50 mg/L

18

Number of arsenic affected GP (approx.) where groundwater arsenic above 10 mg/L

21

Number of village surveyed

77

Number of arsenic affected villages (approx.) where groundwater arsenic above 50 mg/L

50

Number of arsenic affected villages (approx.) where groundwater arsenic above 10 mg/L

63

Total hair, nail and urine samples analyzed

607

Arsenic above normal level (average) in biological samples

85

People screened for arsenic patients (preliminary survey)

649

Number of registered patients with clinical manifestations

158

 

[C] Physical parameters and present arsenic status in Katihar district of Bihar

Physical parameters

Katihar

Area in sq. km

3,057

Population in million (according to 2001 Census)

2.38

Total number of water samples analyzed

816

% of samples having arsenic > 10 mg/L

21.20

% of samples having arsenic > 50 mg/L

7.60

% of samples having arsenic > 300 mg/L *

9.77

% of samples having arsenic > 500 mg/L

0.37

Maximum arsenic concentration so far we analyzed  (mg/L )

818

Total number of block

16

No. of  block surveyed 

3

Number of arsenic affected block (approx.) where groundwater arsenic above 50 mg/L

3

Number of Gram - Panchayet surveyed

7

Number of arsenic affected GP (approx.) where groundwater arsenic above 50 mg/L

4

Number of arsenic affected GP (approx.) where groundwater arsenic above 10 mg/L

6

Number of village surveyed

16

Number of arsenic affected villages (approx.) where groundwater arsenic above 50 mg/L

7

Number of arsenic affected villages (approx.) where groundwater arsenic above 10 mg/L

11

Total hair, nail and urine samples analyzed

NA

Arsenic above normal level (average) in biological samples

NA

People screened for arsenic patients (preliminary survey)

NA

Number of registered patients with clinical manifestations

NA

*During our last 20 years field experience in West Bengal and 10 years in Bangladesh we have observed that ingestion of arsenic contaminated water with 300 mg/L for prolonged period may cause arsenical skin lesions. We also described in our earlier paper.

 

 

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