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: 14/06/2019 | Sample Time: 13:00 | |
| Human Activities: None | Weather: Cloudy and Rainy | Water Body: Lake |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Dark Green | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| BOD | 2.60 | mg/l |
| Conductivity | 65.38 | µs/cm |
| Dissolved O2(DO) | 6.90 | mg/l |
| Fecal Coliform | 300 | MPN/100ml |
| pH | 7.40 | Unit |
| Total Alkalinity | 62.00 | mg/l |
| Temperature | 30 | ⁰C |
| Total Coliform | 1400 | MPN/100ml |
| Total Dissolved Solids(TDS) | 18.00 | mg/l |
| Total Fixed Solids(TFS) | 10.00 | mg/l |
| Total Hardness as CaCo3 | 54.00 | mg/l |
| Calcium | 12.02 | mg/l |
| Fluoride | 0.15 | mg/l |
| Magnesium | 6.91 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Potassium | 0.50 | mg/l |
| Turbidity | 0.96 | NTU |
| Chloride | 0.83 | mg/l |
| COD | 10.50 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Sodium | 1.60 | mg/l |
| Boron | 0.003 | mg/l |
| Sulphate | 2.08 | mg/l |
| Ammonia-N | 0.30 | mg/l |
| Phosphate-P | 0.062 | mg/l |
| Nitrate-N | 0.01 | mg/l |
| Total Suspended Solids(TSS) | 10.00 | mg/l |