| Parameters(mg/L) |
Year 2013 |
| Mar |
April |
June |
July |
Oct |
Nov |
| GPL |
LF |
GPL |
LF |
GPL |
LF |
GPL |
LF |
GPL |
LF |
GPL |
LF |
| Salinity |
0.02 |
0.01 |
0.02 |
0.02 |
0.01 |
0.02 |
0.02 |
0.02 |
0.01 |
0 |
0 |
0 |
| pH |
4.56 |
7.3 |
4.59 |
8.53 |
5 |
8 |
5.22 |
8.15 |
4.58 |
7.75 |
5.03 |
7.84 |
| Ammonia - N |
1256.79 |
234.91 |
2045.6 |
197.76 |
1508.58 |
217.71 |
1785.47 |
256.5 |
1057.9 |
218.8 |
763.8 |
205.75 |
| Nitrate – N |
43.95 |
17.61 |
176.79 |
126.63 |
267.03 |
22.25 |
46.86 |
14.86 |
45.98 |
13.6 |
50.61 |
10.35 |
| Total Phosphorus |
69.67 |
5.57 |
406.25 |
36.33 |
290.9 |
9.16 |
409.95 |
18.64 |
78.91 |
17.1 |
146.47 |
25.97 |
| COD |
6,336 |
86.4 |
9,088 |
704 |
32,640 |
2,624 |
3,648 |
164.26 |
3,968 |
32 |
9,312 |
128 |
| BOD |
65,500 |
69.28 |
90,000 |
70 |
90,085.70 |
207 |
126,750 |
1,121.25 |
52,500 |
405 |
67000 |
970 |
| Heavy Metals(µg/L) |
Mar |
April |
June |
July |
Oct |
Nov |
| GPL |
LF |
GPL |
LF |
GPL |
LF |
GPL |
LF |
GPL |
LF |
GPL |
LF |
| Lead (Pb) |
20 |
<10 |
20 |
<10 |
<13 |
<13 |
<3 |
<3 |
<12 |
<12 |
<10 |
<1 |
| Chromium (Cr) |
150 |
40 |
470 |
20 |
180 |
<2 |
40 |
<1 |
230 |
<10 |
220 |
70 |
| Zinc (Zn) |
430 |
<2 |
17,300 |
<2 |
1,660 |
<4 |
1,150 |
<2 |
5,580 |
<2 |
7,830 |
<4 |
| Copper (Cu) |
20 |
<1 |
50 |
<1 |
7 |
12 |
<1 |
<1 |
90 |
<2 |
80 |
<1 |
| Nickel (Ni) |
590 |
40 |
380 |
30 |
480 |
9 |
170 |
<2 |
330 |
<3 |
320 |
<3 |
|
