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: 17/12/2021 | Sample Time: 14:05 Hrs | |
| 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 Moderately turbid | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.12 | mg/l |
| BOD | 1.40 | mg/l |
| Conductivity | 83.30 | µs/cm |
| Dissolved O2(DO) | 8.10 | mg/l |
| Fecal Coliform | 700 | MPN/100ml |
| Nitrate-N | 0.12 | mg/l |
| pH | 7.15 | Unit |
| Temperature(Water) | 23 | ⁰C |
| Total Coliform | 2600 | MPN/100ml |
| Boron | 2.47 | mg/l |
| Calcium | 17.63 | mg/l |
| COD | 18.0 | mg/l |
| Fluoride | 0.12 | mg/l |
| Magnesium | 2.88 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.004 | mg/l |
| Potassium | 0.90 | mg/l |
| Sodium | 2.7 | mg/l |
| Sulphate | 1.59 | mg/l |
| Total Alkalinity | 38.00 | mg/l |
| Total Dissolved Solids(TDS) | 58.00 | mg/l |
| Total Fixed Solids(TFS) | 32.00 | mg/l |
| Total Hardness as CaCo3 | 54.00 | mg/l |
| Turbidity | 1.14 | NTU |
| Chloride | 4.89 | mg/l |
| Total Suspended Solids(TSS) | 6.00 | mg/l |