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: 25/11/2021 | Sample Time: 14:10 | |
| Human Activities: None | Weather: Sunny and Clear. | Water Body: Lake |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Clear Dark Green | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| BOD | 2.10 | mg/l |
| Chloride | 9.78 | mg/l |
| Total Suspended Solids(TSS) | 15.00 | mg/l |
| Conductivity | 117.60 | µs/cm |
| Dissolved O2(DO) | 8.90 | mg/l |
| Fecal Coliform | 900 | MPN/100ml |
| Nitrate-N | 0.12 | mg/l |
| pH | 7.95 | Unit |
| Temperature(Water) | 19 | ⁰C |
| Total Coliform | 1700 | MPN/100ml |
| Boron | 3.63 | mg/l |
| Calcium | 16.83 | mg/l |
| COD | 20.0 | mg/l |
| Fluoride | 0.19 | mg/l |
| Magnesium | 4.60 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.003 | mg/l |
| Potassium | 1.20 | mg/l |
| Sodium | 3.10 | mg/l |
| Sulphate | 5.06 | mg/l |
| Total Alkalinity | 106.00 | mg/l |
| Total Dissolved Solids(TDS) | 96.00 | mg/l |
| Total Fixed Solids(TFS) | 98.00 | mg/l |
| Total Hardness as CaCo3 | 58.00 | mg/l |
| Turbidity | 4.16 | NTU |
| Ammonia-N | 0.14 | mg/l |