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: 14/01/2020 | Sample Time: 10:40 | |
| Human Activities: None | Weather: 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 |
| Fecal Coliform | 2300 | MPN/100ml |
| Nitrate-N | 0.81 | mg/l |
| pH | 7.20 | Unit |
| Temperature | 10 | ⁰C |
| Total Coliform | 8000 | MPN/100ml |
| BOD | 0.80 | mg/l |
| Conductivity | 58.41 | µs/cm |
| Dissolved O2(DO) | 7.40 | mg/l |
| Total Fixed Solids(TFS) | 14.00 | mg/l |
| Total Hardness as CaCo3 | 24.0 | mg/l |
| Total Suspended Solids(TSS) | 28.00 | mg/l |
| Turbidity | 2.02 | NTU |
| Ammonia-N | 0.12 | mg/l |
| Boron | 3.56 | mg/l |
| Sulphate | 22.67 | mg/l |
| Calcium | 8.02 | mg/l |
| Chloride | 11.74 | mg/l |
| COD | 24.00 | mg/l |
| Magnesium | 1.15 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.003 | mg/l |
| Potassium | 1.4 | mg/l |
| Sodium | 0.90 | mg/l |
| Total Alkalinity | 42.00 | mg/l |
| Total Dissolved Solids(TDS) | 56.00 | mg/l |
| Fluoride | 0.25 | mg/l |