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: 27/11/2020 | Sample Time: 12:10 | |
| 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: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Total Dissolved Solids(TDS) | 69.00 | mg/l |
| Total Fixed Solids(TFS) | 14.00 | mg/l |
| Total Hardness as CaCo3 | 48.00 | mg/l |
| Total Suspended Solids(TSS) | 88.0 | mg/l |
| Turbidity | 0.25 | NTU |
| Temperature(Water) | 17 | ⁰C |
| COD | 28.00 | mg/l |
| Potassium | 0.30 | mg/l |
| Total Coliform | 8000 | MPN/100ml |
| Boron | 2.32 | mg/l |
| Ammonia-N | 0.21 | mg/l |
| BOD | 0.70 | mg/l |
| Conductivity | 37.10 | µs/cm |
| Dissolved O2(DO) | 7.10 | mg/l |
| Fecal Streptococci | 130 | MPN/100ml |
| Nitrate-N | 0.054 | mg/l |
| Magnesium | 5.18 | mg/l |
| Fecal Coliform | 1300 | MPN/100ml |
| pH | 7.80 | Unit |
| Chloride | 9.40 | mg/l |
| Fluoride | 0.14 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.009 | mg/l |
| Sodium | 0.80 | mg/l |
| Sulphate | 11.14 | mg/l |
| Total Alkalinity | 68.00 | mg/l |
| Calcium | 12.02 | mg/l |