| Calculation of WQI of water samplesin winter season of Chandlodia Lake |
| Sr.No |
Parameter |
Observed Value (Vn) |
Standard Valus (Sn) |
Ideal Value (V10) |
Unit Weight (WN) |
Quality Rating (Qn) |
WnQn |
| 1 |
Electrical conductivity (Ω/cm) |
3.14 |
300 |
0 |
0.371 |
1.04 |
0.38 |
| 2 |
Total Dissolve Solid (mg/L) |
1008 |
500 |
0 |
0.0037 |
201.6 |
0.74 |
| 3 |
pH |
8.9 |
7.5 |
7 |
0.219 |
380 |
83.22 |
| 4 |
Alkalinity (mg/L) |
214 |
120 |
0 |
0.0155 |
178.33 |
2.76 |
| 5 |
Tatal Hardness (mg/L) |
310 |
300 |
0 |
0.0062 |
103.33 |
0.64 |
| 6 |
Calcium (mg/L) |
72 |
75 |
0 |
0.025 |
96 |
2.4 |
| 7 |
Magnesium (mg/L) |
37 |
30 |
0 |
0.061 |
123.33 |
7.52 |
| 8 |
Dissolved Oxygen (mg/L) |
3.29 |
5 |
14.6 |
0.3723 |
117.81 |
43.86 |
| 9 |
Chloride (mg/L) |
108 |
250 |
0 |
0.0074 |
43.2 |
0.31 |
| 10 |
Nitrate (mg/L) |
7.9 |
45 |
0 |
0.0412 |
17.55 |
0.72 |
| 11 |
Biochemical Qxygen Demand (mg/L) |
2.14 |
5 |
0 |
0.3723 |
42.8 |
15.93 |
| |
|
|
|
|
ΣWn= 1.4946 |
ΣQn = 1305.01422 |
ΣWnQn = 158.5214026 |
| WQI = 109.627526 |
|
