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| Last Updated:: 28/10/2015

Water Quality

Water quality for both the surface & sub surface has been monitoring by the Environment Monitoring, R & D Laboratory of the Environment & Ecology Office, Govt. of Manipur regularly.

 

   Environmental Pollution Status of Manipur

Type of Source

Pollution Level

Pollution Status

Problems & Pollution Sources

Surface Water - Lake :

Moderate

Eutrophic

Domestic Sewage &  Agriculture runoff

Surface Water - River :

Moderate

Eutrophic

Domestic Sewage &  Agriculture runoff

Surface Water - Pond :

Moderate

Eutrophic

Domestic Sewage

Underground Water :

Low, but considerable

Contamination

Host Rock, Solid Wastes Disposal

Air Pollution :

Medium

Ambient Air

Smoke from Vehicles / Transport 

Soil Pollution :

Low, but considerable

Contamination

Solid Wastes Disposal

Wastes Disposal :

High

Non Segregation

Urban, Domestic & Hospital

Noise Pollution :

Low

 

--

 

Water Quality of Lakes of Manipur:

 

Table : Water Quality report of Lakes of Manipur,2014 

Sl.

No.

Parameter with parameter

                                                                                             LAKES

 

1

 

2

 

3

 

4

 

5

 

6

 

7

 

8

 

9

 

10

 

11

1.

Temp. º C

21.30

21.30

21.30

22.40

22.30

20.00

20.30

22.10

22.34

21.30

21.40

2.

Trans. (cm)

47.63

40.20

45.30

55.40

43.50

45.60

43.20

53.40

47.50

41.60

41.20

3.

DO (ppm)

5.89

5.48

4.67

5.68

5.48

5.28

5.08

5.68

5.89

5.48

5.48

4.

Free CO2(ppm)

5.06

4.40

8.80

6.60

5.86

6.60

6.60

3.67

5.86

3.67

3.67

5.

pH

7.60

7.42

7.12

7.53

4.36

7.34

4.50

7.41

7.43

7.63

7.43

6.

Cond. (μ S/cm)

250.00

210.00

210.00

230.00

220.00

230.00

210.00

220.00

210.00

230.00

220.00

7.

BOD (ppm)

3.36

3.66

4.58

4.88

3.97

3.97

3.97

4.47

3.97

3.97

4.26

8.

COD (ppm)

5.82

5.21

8.06

7.12

6.20

6.87

5.10

7.63

5.10

4.87

7.31

9.

Hardness (ppm)

62.00

52.00

76.00

60.00

60.00

72.00

72.00

66.00

60.00

58.00

60.00

10.

Alkalinity (ppm)

55.00

60.00

75.00

70.00

55.00

75.00

50.00

70.00

65.00

55.00

70.00

11.

Total -N (ppm)

1.68

0.87

1.05

1.05

1.14

1.32

1.08

1.15

1.14

1.06

1.05

12.

Total Phosphorous (ppm)

0.73

0.72

0.84

0.72

0.87

1.01

0.72

0.98

0.92

0.87

0.86

13.

K  (ppm)

3.00

3.00

4.00

3.00

3.00

3.00

3.00

3.00

3.00

4.00

3.00

14.

Total coliform X2 CFU/100  ml

250

260

280

310

260

280

270

310

300

310

320

15.

Faecal Coliform X2 CFU/100 ml

120

150

170

140

120

160

130

140

210

160

150

1: AONGBIKHONGPAT, 2: IKOP PAT, 3: LAMPHELPAT, 4: PUMLEN PAT, 5: UTRAPAT ,

6: YARALPAT, 7: HEINGANGPAT,8: KHARUNGPAT, 9: LOKTAK LAKE, 10: SANAPAT,

11: WAITHOU PAT

 

Water Quality of River in Manipur 

  Table: Water Quality report of Nambul River, 2014

Sl.

No.

Parameters

Sites

1

2

3

4

5

1

Water Temperature (0C)

22.50

23.60

23.50

24.02

24.30

2

Conductivity (μ Siemens)

230.00

240.00

280.00

320.00

340.00

3

Total Dissolved Solid (mg/l)

80.00

80.00

120.00

120.00

140.00

4

Turbidity (NTU)

67.30

69.40

76.80

85.40

89.70

5

pH

7.34

7.21

6.43

6.50

6.40

6

Free CO(mg/l)

6.60

10.25

19.07

20.53

19.80

7

Dissolved Oxygen (mg/l)

5.89

5.28

4.87

4.26

4.48

8

B.O.D. (mg/l)

4.27

6.10

14.01

14.62

13.40

9

C.O.D. (mg/l)

8.63

11.56

26.41

29.40

26.21

10

Hardness (mg/l)

80.00

86.00

126.00

138.00

130.00

11

Calcium (mg/l)

16.83

18.44

29.66

33.67

31.26

12

Magnesium (mg/l)

7.31

8.77

12.67

13.15

12.67

13

Alkalinity (mg/l)

75

90

135

155

120

14

Chloride (mg/l)

18.46

34.08

45.44

51.12

32.66

15

Nitrate (mg/l)

0.12

0.51

0.61

0.73

0.52

16

Total Nitrogen

0.73

1.53

2.89

3.02

2.46

17

Total Phosphorus

0.49

1.06

2.51

2.91

2.34

18

Inorganic Phosphate (mg/l)

0.10

0.42

0.79

0.92

0.67

19

Sulphate

23.56

48.02

72.06

86.23

64.01

20

Sodium (mg/l)

8.00

13.00

38.00

48.00

34.00

21

Potassium (mg/l)

6.00

11.00

28.00

34.00

22.00

22

Fluoride (mg/l)

0.06

0.27

0.51

0.63

0.48

23

Iron (mg/l)

0.13

0.38

0.49

0.64

0.37

24

Total Coliform x 10 CFU/100ml

420

680

2500

2800

1600

25

Fecal Coliform x 10 CFU /100ml

290

340

890

940

730

26

Fecal Streptococci x 10 CFU /100ml

110

180

470

530

420

Sites1: Iroishemba        Site 2: Naoremthong       Site 3: Cheirap    Site 4: Keishamthong

Site 5:  Hiyangthang         

  

 Table: Water Quality report of Imphal River, 2014

Sl. No.

Parameters

Sites

1

2

3

4

5

6

1

Water Temperature (0C)

21.80

22.10

22.40

22.60

23.10

23.40

2

Conductivity (μ Siemens)

210.00

220.00

220.00

240.00

240.00

250.00

3

Total Dissolved Solid (mg/l)

50.00

50.00

60.00

80.00

80.00

80.00

4

Turbidity (NTU)

52.40

53.30

58.40

62.10

62.50

65.30

5

pH

7.43

7.43

7.52

7.56

7.56

7.60

6

Free CO(mg/l)

2.20

2.20

3.67

3.67

4.40

4.40

7

Dissolved Oxygen (mg/l)

6.09

5.68

5.89

5.68

5.68

5.89

8

B.O.D. (mg/l)

3.05

3.05

3.36

3.97

4.27

4.27

9

C.O.D. (mg/l)

5.36

5.36

5.62

5.72

6.83

6.91

10

Hardness (mg/l)

62.00

62.00

66.00

68.00

72.00

72.00

11

Calcium (mg/l)

13.63

15.23

16.83

17.64

16.83

16.83

12

Magnesium (mg/l)

6.82

6.82

6.82

5.85

7.31

7.31

13

Alkalinity (mg/l)

60.00

60.0

65.00

65.00

75.00

75.00

14

Chloride (mg/l)

19.88

21.30

21.30

26.98

26.98

29.82

15

Nitrate (mg/l)

0.05

0.05

0.08

0.16

0.14

0.17

16

Total Nitrogen

0.46

0.57

0.72

0.91

0.96

1.01

17

Total Phosphorous

0.24

0.34

0.51

0.57

0.63

0.63

18

Inorganic Phosphate (mg/l)

0.007

0.009

0.010

0.012

0.015

0.013

19

Sulphate (mg/l)

10.34

13.40

13.10

15.60

22.42

17.61

20

Sodium (mg/l)

5.00

7.00

8.00

8.00

8.00

10.00

21

Potassium (mg/l)

3.00

3.00

3.00

5.00

5.00

6.00

22

Iron (mg/l)

0.024

0.027

0.034

0.049

0.056

0.072

23

Fluoride (mg/l)

0.002

0.004

0.009

0.009

0.013

0.015

24

Total Coliform x10CFU/100ml

260

290

320

460

450

460

25

Fecal Coliform x10CFU/100ml

100

140

180

250

260

270

26

Fecal Streptococci x10CFU/100ml

57

61

60

72

76

79

  Site Code:- 1. Koirengei     2. Khurai Heikru Makhong 3.Khuman Lampak (Lamlong)

                                4.Minuthong         5. Singjamei        6. Lilong

 

 Table: Water Quality report of Iril River, 2014

Sl. No.

Parameters

Sites

1

2

3

4

5

6

1

Water Temperature (0C)

22.10

22.40

22.60

23.20

23.20

24.10

2

Conductivity (μ Siemens/cm)

210.00

230.00

240.00

240.00

260.00

260.00

3

Total Dissolved Solid (mg/l)

60.00

60.00

60.00

80.00

80.00

80.00

4

Turbidity (NTU)

52.30

59.40

62.40

66.20

68.40

68.50

5

pH

7.43

7.52

7.56

7.56

7.43

7.42

6

Free CO(mg/l)

2.20

2.20

4.40

4.40

6.60

8.80

7

Dissolved Oxygen (mg/l)

6.29

6.29

6.09

9.09

5.89

5.89

8

B.O.D. (mg/l)

2.44

2.44

2.75

3.36

3.66

4.27

9

C.O.D. (mg/l)

3.67

3.89

4.02

5.23

5.67

6.83

10

Hardness (mg/l)

52.00

58.00

58.00

62.00

62.00

68.00

11

Calcium (mg/l)

12.02

14.43

14.43

13.63

15.23

16.83

12

Magnessium (mg/l)

5.36

5.36

4.87

6.82

5.84

6.33

13

Alkalinity (mg/l)

55.00

60.00

60.00

65.00

70.00

75.00

14

Chloride (mg/l)

15.62

17.04

19.88

24.14

31.24

36.92

15

Nitrate (mg/l)

0.008

0.009

0.013

0.012

0.018

0.023

16

Total Nitrogen

0.31

0.37

0.49

0.67

0.82

0.91

17

Total Phosphorous

0.27

0.29

0.34

0.39

0.51

0.63

18

Inorganic Phosphate (mg/l)

0.010

0.011

0.016

0.021

0.034

0.036

19

Sulphate (mg/l)

10.36

16.41

18.23

21.43

22.83

26.41

20

Sodium (mg/l)

6.00

6.00

7.00

9.00

9.00

10.00

21

Potassium (mg/l)

3.00

5.00

5.00

7.00

8.00

8.00

22

Fluoride (mg/l)

0.002

0.003

0.006

0.009

0.011

0.011

23

Iron (mg/l)

0.023

0.026

0.038

0.096

0.097

0.096

24

Total Coliform x10 CFU/100ml

390

410

460

480

500

510

25

Fecal Coliform x10 CFU/100ml

120

180

230

270

270

310

26

Fecal Streptococci x10 CFU/100ml

42

53

71

83

80

100

 Site Code:-      1. Keibi            2.  Sawombung    3. Khewa