Ganga-Meghna Brahmaputra || West Bengal || Bangladesh || Middle Ganga Plain, Bihar || Uttarpradesh
Jharkhand || North-East Hilly States || Rajnandgaon, Chattisgarh || 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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[J] Physical parameters and present arsenic status in Khagaria district of Bihar

Physical parameters

Khagaria

Area in sq. km

1,486

Population in million (according to 2001 Census)

1.27

Total number of water samples analyzed

1174

% of samples having arsenic > 10 mg/L

43.87

% of samples having arsenic > 50 mg/L

7.92

% of samples having arsenic > 300 mg/L *

0.17

% of samples having arsenic > 500 mg/L

0.17

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

941

Total number of block

7

No. of  block surveyed 

1

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

1

Number of Gram - Panchayet surveyed

3

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

3

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

3

Number of village surveyed

14

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

10

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

 

[K] Physical parameters and present arsenic status in Lakhisarai district of Bihar

Physical parameters

Lakhisarai

Area in sq. km

 

Population in million (according to 2001 Census)

0.81

Total number of water samples analyzed

837

% of samples having arsenic > 10 mg/L

3.82

% of samples having arsenic > 50 mg/L

2.27

% of samples having arsenic > 300 mg/L *

0.36

% of samples having arsenic > 500 mg/L

0.12

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

760

Total number of block

7

No. of  block surveyed 

2

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

2

Number of Gram - Panchayet surveyed

8

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

3

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

5

Number of village surveyed

16

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

5

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

7

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

 

[L] Physical parameters and present arsenic status in Samstipur district of Bihar

Physical parameters

Samstipur

Area in sq. km

2,904

Population in million (according to 2001 Census)

3.41

Total number of water samples analyzed

899

% of samples having arsenic > 10 mg/L

37.82

% of samples having arsenic > 50 mg/L

16.68

% of samples having arsenic > 300 mg/L *

6.90

% of samples having arsenic > 500 mg/L

5.33

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

2100

Total number of block

21

No. of  block surveyed 

2

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

2

Number of Gram - Panchayet surveyed

9

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

8

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

9

Number of village surveyed

20

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

16

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

19

Total hair, nail and urine samples analyzed

107

Arsenic above normal level (average) in biological samples

87 %

People screened for arsenic patients (preliminary survey)

320

Number of registered patients with clinical manifestations

37

*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.

Abstract of the paper ," Arsenic Groundwater Contamination in Middle Ganga Plain, Bihar, India: A Future Danger- Dipankar Chakraborti, et. al Environmental Health Perspectives, 2003, 111(9): 1194-1201."

 

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