West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: TEESTA AT SEVOKE | River Basin: Tista | CPCB Station Code: 1947 |
| Sample Date: 30/12/2019 | Sample Time: 11:15 Hrs | |
| Human Activities: None | Weather: Sunny and Clear | Water Body: TEESTA AT SILIGURI |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Light green and Clear | Odour: None | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Phenolpthalein Alkanity | NIL | mg/l |
| Total Suspended Solids(TSS) | 38.00 | mg/l |
| Turbidity | 2.77 | NTU |
| Ammonia-N | BDL | mg/l |
| Magnesium | 1.73 | mg/l |
| Phosphate-P | 0.002 | mg/l |
| COD | 25.00 | mg/l |
| Potassium | 1.30 | mg/l |
| Total Coliform | 8000 | MPN/100ml |
| Boron | 0.016 | mg/l |
| Chloride | 8.81 | mg/l |
| Sulphate | 20.25 | mg/l |
| Total Alkalinity | 42.00 | mg/l |
| Total Dissolved Solids(TDS) | 62.00 | mg/l |
| Total Fixed Solids(TFS) | 92.00 | mg/l |
| Total Hardness as CaCo3 | 30.00 | mg/l |
| Sodium | 0.50 | mg/l |
| BOD | 0.90 | mg/l |
| Nitrate-N | 4.14 | mg/l |
| Temperature | 16 | ⁰C |
| pH | 7.58 | Unit |
| Calcium | 9.62 | mg/l |
| Fluoride | 0.23 | mg/l |
| Dissolved O2(DO) | 7.10 | mg/l |
| Fecal Coliform | 2700 | MPN/100ml |
| Conductivity | 64.86 | µs/cm |