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: 15/07/2022 | Sample Time: 13:50 | |
| 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: Dark Green and turbid | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | BDL | mg/l |
| BOD | 2.30 | mg/l |
| Conductivity | 140.40 | µs/cm |
| Dissolved O2(DO) | 6.30 | mg/l |
| Fecal Coliform | 5000 | MPN/100ml |
| Nitrate-N | 0.05 | mg/l |
| pH | 7.22 | Unit |
| Temperature(Water) | 30 | ⁰C |
| Total Coliform | 17000 | MPN/100ml |
| Boron | 0.79 | mg/l |
| Calcium | 15.20 | mg/l |
| Chloride | 5.87 | mg/l |
| COD | 18.00 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 4.86 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.10 | mg/l |
| Potassium | 1.80 | mg/l |
| Sodium | 6.00 | mg/l |
| Sulphate | 8.39 | mg/l |
| Total Alkalinity | 68.00 | mg/l |
| Total Dissolved Solids(TDS) | 87.00 | mg/l |
| Total Fixed Solids(TFS) | 156.00 | mg/l |
| Total Hardness as CaCo3 | 58.00 | mg/l |
| Total Suspended Solids(TSS) | 40.00 | mg/l |
| Turbidity | 6.80 | NTU |