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 CO2 (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 CO2 (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 CO2 (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
4. Top Khongnang Makhong 5.Pangong 6.Lilong