| S.No. |
Parameters |
CPCB 1995 |
May 2011 |
June 2011 |
July 2011 |
August 2011 |
Sept. 2011 |
Oct. 2011 |
| 1 |
Colour |
Colorless |
Blackish |
Blackish |
Blackish |
Blackish |
Blackish |
Blackish |
| 2 |
Odour |
Odourless |
Unpleasant |
Unpleasant |
Unpleasant |
Unpleasant |
Unpleasant |
Unpleasant |
| 3 |
pH |
5.5-9.0 |
7.27 ± 0.0187 |
7.25 ± 0.0187 |
7.21 ± 0.0187 |
7.14 ± 0.0187 |
7.19 ± 0.0187 |
7.21 ± 0.0769 |
| 4 |
Electrical Conductivity (EC) (µmhos/cm) |
400 |
8990 ± 1.8708 |
9080 ± 1.877 |
9148 ± 1.877 |
8354 ± 1.8708 |
8615 ± 1.8708 |
8799 ± 2.3166 |
| 5 |
Total Suspended Solids (TSS)(mg/l) |
100 |
6908 ± 1.8708 |
1138 ± 1.8756 |
1176 ± 1.8756 |
1192 ± 1.8708 |
1184 ± 1.8708 |
1260 ± 1.8708 |
| 6 |
Total Dissolved Solids (TDS)(mg/l) |
2100 |
6672 ± 1.8748 |
6712 ± 1.8755 |
6428 ± 1.8794 |
5768 ± 1.8794 |
5950 ± 1.8765 |
6166 ± 1.8793 |
| 7 |
Biochemical Oxygen Demand (BOD) (mg/l) |
30 |
1722 ± 1.8906 |
633 ± 1.8760 |
900 ± 1.8765 |
600 ± 1.8759 |
700 ± 1.8062 |
620 ± 1.8759 |
| 8 |
Chemical Oxygen Demand (COD) (mg/l) |
250 |
9600 ± 2.908 |
2920 ± 1.8780 |
2637 ± 1.8780 |
2386 ± 1.8708 |
2399 ± 1.8708 |
2679 ± 1.8708 |
| 9 |
Total Hardness (mg/l) |
1000 |
1080 ± 1.8708 |
1426 ± 1.1690 |
1550 ± 1.8708 |
1625 ± 1.8708 |
3750 ± 1.8708 |
2300 ± 1.8708 |
| 10 |
Chloride (mg/l) |
1000 |
1455 ± 1.8725 |
1890 ± 1.8895 |
1184 ± 1.8720 |
1244 ± 1.8708 |
1373 ± 6.1913 |
1485 ± 1.7692 |
| 11 |
Sodium (mg/l) |
600 |
1318 ± 1.8708 |
1300 ± 1.8708 |
1900 ± 1.8708 |
2100 ± 1.8708 |
2040 ± 1.4142 |
1200 ± 1.672 |
| 12 |
Calcium (mg/l) |
100 |
257 ± 1.7605 |
300 ± 1.7607 |
340 ± 1.7612 |
360 ± 1.7615 |
390 ± 1.7625 |
560 ± 1.8062 |
| 13 |
Total Chromium (mg/l) |
2 |
44.5 ± 0.1870 |
36 ± 0.1870 |
5.47 ± 0.0187 |
0.01 ± 0.04319 |
7.24 ± 0.01769 |
9.20 ± 0.01871 |
| 14 |
Copper (mg/l) |
3 |
6.40 ± 0.0187 |
3.89 ± 0.0187 |
0.00168 ± 0.0001 |
0.0132 0.0016 |
0.00124 ± 0.0187 |
0.00012 ± 0.00063 |
± Standard Deviation