Table 5.129
Assessment results of individual pollution indexes of groundwater in level period
S/N Test item
Unit
4# Background
monitoring well
1#
2#
6#
7#
Monitored
value
Pollution
index
Monitored
value
Pollution
index
Monitored
value
Pollution
index
Monitored
value
Pollution
index
1
Sulfate
mg/L
13.6
62.2
4.57
48
3.53
160
11.76
22.3
1.64
2
Calcium
mg/L
37.6
79.5
2.11
90.4
2.40
105
2.79
58.8
1.56
3
Magnesium
mg/L
10.3
39.4
3.83
46.2
4.49
52.3
5.08
22.6
2.19
4
Sodium
mg/L
24.2
210
8.68
38.6
1.60
259
10.70
26.3
1.09
5
Potassium
mg/L
1.53
3
1.96
1.02
0.67
4.35
2.84
1.4
0.92
6
Copper
mg/L
<0.009
<0.009
0.00
<0.009
0.00
<0.009
0.00
<0.009
0.00
7
Zn
mg/L
<0.001
<0.001
0.00
<0.001
0.00
0.004
4.00
0.001
1.00
8
Chloride
mg/L
13.5
256
18.96
83.4
6.18
230
17.04
41.2
3.05
9
Alkalinity
mg/L
133
254
1.91
284
2.14
356
2.68
261
1.96
10
Dissolved oxygen
mg/L
6
5.98
1.00
5.29
0.88
2.44
0.41
3.3
0.55
11
Conductivity
lscm
−1
410
1.84
 103
4.49
1.34
 103
3.27
2.34
 103
1.27
640
1.56
12
Chroma
Degree
<5
<5
0.00
<5
0.00
<5
0.00
<5
0.00
13
Turbidity
NTU
<1
<1
0.00
<1
0.00
<1
0.00
<1
0.00
14
Total hardness
mg/L
154
411
2.67
497
3.23
593
3.85
324
2.10
15
Total dissolved solid
mg/L
343
882
2.57
1114
3.25
1966
5.73
581
1.69
16
Permanganate index
mg/L
1.57
3.58
2.28
1.41
0.90
3.42
2.18
1.67
1.06
17
Nitrate nitrogen
mg/L
2.4
4.7
1.96
7.06
2.94
7.06
2.94
3.9
1.63
18
Nitrite nitrogen
mg/L
<0.001
0.013
13.00
<0.001
0.00
0.014
14.00
0.045
45.00
19
Ammonia-nitrogen
mg/L
0.025
0.092
3.68
0.044
1.76
0.122
4.88
0.05
2.00
20
Fluoride
mg/L
0.886
0.636
0.72
0.313
0.35
0.607
0.69
0.429
0.48
21
Total coliforms
MPN/L <2
<2
0.00
<2
0.00
<2
0.00
<2
0.00
22
Total number of
bacteria
cfu/mL
8.3
 102
2.3
 102
—
2.4
 102
—
8.1
 102
—
5.2
 102
—
23
Boron
mg/L
<0.020
<0.020
0.00
0.039
1.95
0.026
0.13
<0.020
0.00
(continued)
380
5 Application Cases