West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: Lake Rasikbheel at Coochbehar | River Basin: GANGA | CPCB Station Code: 4720 |
| Sample Date: 15/09/2021 | Sample Time: 13:15 | |
| Human Activities: Fishing | Weather: Sunny and Clear. | Water Body: Lake |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.50 m |
| Color & Intensity: Dark Green and clear. | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | BDL | mg/l |
| BOD | 2.00 | mg/l |
| Conductivity | 50.02 | µs/cm |
| Dissolved O2(DO) | 6.80 | mg/l |
| Fecal Coliform | 1300 | MPN/100ml |
| Nitrate-N | 0.17 | mg/l |
| pH | 6.67 | Unit |
| Temperature(Water) | 33 | ⁰C |
| Total Coliform | 5000 | MPN/100ml |
| Boron | 2.20 | mg/l |
| Calcium | 8.82 | mg/l |
| Chloride | 2.93 | mg/l |
| COD | 16.00 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 3.45 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | BDL | mg/l |
| Potassium | BDL | mg/l |
| Sodium | 0.90 | mg/l |
| Sulphate | 1.92 | mg/l |
| Total Alkalinity | 28.00 | mg/l |
| Total Dissolved Solids(TDS) | 16.00 | mg/l |
| Total Fixed Solids(TFS) | 16.00 | mg/l |
| Total Hardness as CaCo3 | 34.00 | mg/l |
| Total Suspended Solids(TSS) | 4.00 | mg/l |
| Turbidity | 3.58 | NTU |