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: 21/02/2022 | Sample Time: 14:10 | |
| Human Activities: None | Weather: Cloudy | Water Body: Lake |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Dark Green and moderately turbid | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Dissolved O2(DO) | 6.10 | mg/l |
| Fecal Coliform | 3000 | MPN/100ml |
| Nitrate-N | 0.65 | mg/l |
| Total Coliform | 9000 | MPN/100ml |
| Boron | 0.80 | mg/l |
| Calcium | 16.03 | mg/l |
| Chloride | 9.78 | mg/l |
| COD | 11.44 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 10.36 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.009 | mg/l |
| Potassium | 0.80 | mg/l |
| Sodium | 1.60 | mg/l |
| Sulphate | 0.87 | mg/l |
| Total Alkalinity | 56.00 | mg/l |
| Total Dissolved Solids(TDS) | 76.00 | mg/l |
| Total Fixed Solids(TFS) | 36.00 | mg/l |
| Total Hardness as CaCo3 | 76.00 | mg/l |
| Total Suspended Solids(TSS) | 36.00 | mg/l |
| pH | 6.87 | Unit |
| Ammonia-N | BDL | mg/l |
| BOD | 1.00 | mg/l |
| Conductivity | 119.10 | µs/cm |
| Temperature(Water) | 18 | ⁰C |
| Turbidity | 5.19 | NTU |