Table 5.128
Assessment results of individual pollution indexes of groundwater in high
flow period
S/N Test item
Unit
4#
1#
2#
6#
7#
Monitored
value
Monitored
value
Pollution
index
Monitored
value
Pollution
index
Monitored
value
Pollution
index
Monitored
value
Pollution
index
1
Sulfate
mg/L
25.6
112
4.375
90
3.516
192
7.50
38.9
1.520
2
Ammonia-nitrogen
mg/L
0.065
0.425
6.540
0.265
4.080
0.222
3.420
0.253
3.890
3
Molybdenum
mg/L
0.007
0.022
3.140
0.006
0.860
0.035
5.000
<0.005
0
4
Zn
mg/L
0.002
0.014
7.000
0.019
9.500
0.021
10.50
0.022
11.000
5
Chloride
mg/L
4.730
72.70
15.370
54.400
11.50
186.0
39.32
10.30
2.180
6
Nitrate nitrogen
mg/L
1.490
4.060
2.720
7.050
4.730
8.050
5.400
3.940
2.640
7
Nitrite nitrogen
mg/L
0.002
0.005
2.500
0.004
2.000
0.002
1.000
0.018
9.000
8
Total dissolved solid
mg/L
242.0
1060
4.380
767.0
3.170
1120.0
4.630
368.0
1.520
9
Permanganate index
mg/L
0.953
2.770
2.910
1.600
1.680
3.330
3.490
4.010
4.210
10
As
mg/L
<0.0005
<0.0005
0
<0.0005
0
0.0015
0.030
<0.0005
0
11
Fluoride
mg/L
1.000
0.685
0.690
0.435
0.440
0.859
0.860
0.642
0.640
12
Total coliforms
MPN/L
3.000
20.00
6.670
<2
0
<2
0
50.00
16.670
13
Total phosphorus
mg/L
0.028
1.100
39.290
0.178
6.360
1.550
55.36
0.025
0.890
14
Chemical oxygen
demand
mg/L
10.00
10.700
1.070
<10
0
13.00
1.300
20.60
2.060
15
Suspended matter
mg/L
4.00
<4
0
<4
0
<4
0
6.000
1.500
16
Conductivity
lscm
−1
332.0
1374.0
4.140
995.0
3.000
1535.0
4.620
494.0
1.490
17
Calcium
mg/L
49
107
2.184
112
2.286
120
2.449
73.4
1.498
18
Magnesium
mg/L
12.4
41.0
3.306
44.4
3.581
44.0
3.548
23.7
1.911
19
Potassium
mg/L
1.38
2.44
1.768
1.14
0.826
8.35
6.051
1.97
1.428
20
Sodium
mg/L
7.78
122
15.68
14.8
1.902
1.51
0.194
4.9
0.630
21
Alkalinity
mmol/L 2.80
4.75
1.696
5.74
2.05
7.05
2.518
4.1
1.464
22
Dissolved oxygen
mg/L
6.48
3.53
0.545
5.72
0.883
5.50
0.849
1.39
0.215
23
Total hardness
mg/L
160
434
2.713
472
2.95
508
3.175
242
1.153
24
Barium
mg/L
<0.001
0.017
17
<0.001
0
<0.001
0
<0.001
0
25
Boron
mg/L
<0.020
<0.020
0
0.039
1.95
0.071
3.05
<0.020
0
378
5 Application Cases