Environmental Engineering Reference
In-Depth Information
Table 3.7 The mean of water quality data for 21 stations in the case study area
Station
DO
(mg/l)
Temperature
(
pH
TS
(Mg/L)
PO
4
(Mg/L)
NO
3
(Mg/L)
COD
(Mg/L)
BOD
5
(mg/l)
°
C)
ST 01
5.6
17.9
8.2
43.9
0.5
4.1
16.5
8.2
ST 02
7.4
17.8
8.2
103.2
0.3
4.3
19.2
9.6
ST 2.1
9.5
18.1
8.2
86.9
0.2
4.3
22
11
ST 03
7.3
18.4
8.2
255.8
0.2
4.9
18.4
9.2
ST 04
6.4
19.1
8.3
375.3
0.1
4.4
16.3
8.2
ST 4.1
8
19.3
8.2
369.5
0.1
4.4
24.2
12.1
ST 05
8.9
18.9
8.2
143.8
0.1
4.6
26.4
13.2
ST 06
6.4
19.6
8.2
104.7
0.2
4.7
24.9
12.5
ST 07
7.6
21.8
8.1
156.0
0.2
3.2
30.2
15.1
ST 08
7.6
22.2
8.1
122.3
0.2
3.2
26.5
13.2
ST 09
7.9
21.6
8.1
101.1
0.1
3.6
25.1
12.6
ST 10
5.8
22.1
8.1
115.8
0.2
2.8
25.4
12.7
ST 11
6.1
22.2
8.1
130
0.2
2.7
26.8
13.4
GSW3
8.9
20
7.3
153.6
0.2
4.9
33
15.8
GSW4
9.5
17.6
8.0
37.2
0.2
4.6
25
12.6
GSW5
7.6
14.4
5.1
200.3
0.3
4.6
18
8.7
80
70
60
50
40
30
20
10
0
Station No.
Fig. 3.7 The result of the NSFWQI of the Se
d-Rud River
3.7 Application of BCWQI Method in Sefid-Rud River
(Iran)
The BCWQI method, which is an index for special purposes, was applied for drinking
purposes and agriculture of the 21 stations on the Se
d-Rud River (Figs.
3.5
and
3.6
).
The parameters were used including DO, BOD
5
,PO
4
,NO
3
, pH, TS and temperature.
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