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: 19/08/2019 | Sample Time: 13:30 | |
| 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 Clear | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| BOD | 2.10 | mg/l |
| Conductivity | 117.80 | µs/cm |
| Dissolved O2(DO) | 7.40 | mg/l |
| Fecal Coliform | 340 | MPN/100ml |
| Nitrate-N | 0.99 | mg/l |
| pH | 7.67 | Unit |
| Temperature | 27 | ⁰C |
| Total Coliform | 2800 | MPN/100ml |
| Boron | 0.002 | mg/l |
| Calcium | 8.22 | mg/l |
| Chloride | 10.76 | mg/l |
| COD | 12.70 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 3.46 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.034 | mg/l |
| Potassium | BDL | mg/l |
| Sodium | 1.80 | mg/l |
| Sulphate | 6.44 | mg/l |
| Total Alkalinity | 50.0 | mg/l |
| Total Dissolved Solids(TDS) | 20.00 | mg/l |
| Ammonia-N | 0.24 | mg/l |
| Total Hardness as CaCo3 | 54.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 14.00 | mg/l |
| Total Fixed Solids(TFS) | 102.00 | mg/l |
| Turbidity | 2.52 | NTU |