West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: River Jaldhaka at Dhupguri | River Basin: Tista | CPCB Station Code: 4717 |
| Sample Date: 23/10/2019 | Sample Time: 11:20 | |
| Human Activities: None | Weather: Sunny and Hot | Water Body: Jaldhaka |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Muddy and Moderately Brown | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Total Suspended Solids(TSS) | 210.00 | mg/l |
| Turbidity | 1.74 | NTU |
| Ammonia-N | BDL | mg/l |
| BOD | 2.20 | mg/l |
| Conductivity | 70.47 | µs/cm |
| Dissolved O2(DO) | 7.10 | mg/l |
| Fecal Coliform | 5000 | MPN/100ml |
| Nitrate-N | 0.95 | mg/l |
| pH | 7.10 | Unit |
| Temperature | 29 | ⁰C |
| Total Coliform | 14000 | MPN/100ml |
| Boron | 0.006 | mg/l |
| Calcium | 15.23 | mg/l |
| Chloride | 16.63 | mg/l |
| COD | 34.00 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 7.49 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.073 | mg/l |
| Potassium | 0.70 | mg/l |
| Sodium | 0.90 | mg/l |
| Sulphate | 44.46 | mg/l |
| Total Alkalinity | 54.00 | mg/l |
| Total Dissolved Solids(TDS) | 1.74 | mg/l |
| Total Fixed Solids(TFS) | 80.00 | mg/l |
| Total Hardness as CaCo3 | 64.00 | mg/l |