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: 14/03/2022 | Sample Time: 09:30 | |
| 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: Fishy. | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.13 | mg/l |
| BOD | 0.20 | mg/l |
| Conductivity | 72.23 | µs/cm |
| Dissolved O2(DO) | 8.10 | mg/l |
| Fecal Coliform | 1700 | MPN/100ml |
| Fecal Streptococci | 11 | MPN/100ml |
| Nitrate-N | 0.69 | mg/l |
| pH | 6.89 | Unit |
| Temperature(Water) | 26 | ⁰C |
| Total Coliform | 3300 | MPN/100ml |
| Boron | 3.40 | mg/l |
| Calcium | 11.20 | mg/l |
| Chloride | 4.89 | mg/l |
| COD | 18.40 | mg/l |
| Fluoride | 0.13 | mg/l |
| Magnesium | 1.45 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.008 | mg/l |
| Potassium | BDL | mg/l |
| Sodium | 1.00 | mg/l |
| Sulphate | 7.96 | mg/l |
| Total Alkalinity | 36.00 | mg/l |
| Total Dissolved Solids(TDS) | 47.00 | mg/l |
| Total Fixed Solids(TFS) | 80.00 | mg/l |
| Total Hardness as CaCo3 | 34.00 | mg/l |
| Total Suspended Solids(TSS) | 20.00 | mg/l |
| Turbidity | 3.55 | NTU |