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: 21/01/2020 | Sample Time: 14:20 Hrs | |
| Human Activities: None | Weather: Clear and Sunny | Water Body: Lake |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Moderately Green and Clear | Odour: Fishy | Visible effluent discharge: None. |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Boron | 1.15 | mg/l |
| Ammonia-N | 0.31 | mg/l |
| Conductivity | 77.63 | µs/cm |
| Fecal Coliform | 330 | MPN/100ml |
| Nitrate-N | 0.93 | mg/l |
| pH | 7.20 | Unit |
| Temperature | 19 | ⁰C |
| BOD | 1.80 | mg/l |
| Potassium | 2.20 | mg/l |
| Sodium | 3.10 | mg/l |
| Sulphate | 4.67 | mg/l |
| Magnesium | 3.46 | mg/l |
| Total Hardness as CaCo3 | 62.00 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Chloride | 9.92 | mg/l |
| Fluoride | 0.15 | mg/l |
| Total Dissolved Solids(TDS) | 34.00 | mg/l |
| Total Fixed Solids(TFS) | 20.00 | mg/l |
| Total Coliform | 1100 | MPN/100ml |
| Phosphate-P | 0.002 | mg/l |
| Total Alkalinity | 102.00 | mg/l |
| Total Suspended Solids(TSS) | 22.00 | mg/l |
| COD | 19.00 | mg/l |
| Turbidity | 7.70 | NTU |
| Calcium | 20.04 | mg/l |
| Dissolved O2(DO) | 7.10 | mg/l |