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: 08/01/2021 | Sample Time: 14:00 Hrs | |
| Human Activities: Fishing | Weather: Sunny and Clear | Water Body: TEESTA AT SILIGURI |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 0.00 m |
| Color & Intensity: Light Green and Slightly Turbid | Odour: Odourless | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Calcium | 10.42 | mg/l |
| COD | 20.0 | mg/l |
| Turbidity | 8.24 | NTU |
| Ammonia-N | BDL | mg/l |
| Total Dissolved Solids(TDS) | 32.00 | mg/l |
| BOD | 1.90 | mg/l |
| Conductivity | 56.00 | µs/cm |
| Dissolved O2(DO) | 7.10 | mg/l |
| Fecal Coliform | 3400 | MPN/100ml |
| Fecal Streptococci | 6 | MPN/100ml |
| Nitrate-N | 0.148 | mg/l |
| pH | 6.80 | Unit |
| Temperature(Water) | 21 | ⁰C |
| Total Coliform | 8000 | MPN/100ml |
| Boron | 2.17 | mg/l |
| Chloride | 2.93 | mg/l |
| Fluoride | 0.24 | mg/l |
| Magnesium | 4.03 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.003 | mg/l |
| Potassium | 0.60 | mg/l |
| Sodium | 0.50 | mg/l |
| Sulphate | 5.36 | mg/l |
| Total Alkalinity | 48.0 | mg/l |
| Total Fixed Solids(TFS) | 112.00 | mg/l |
| Total Hardness as CaCo3 | 40.0 | mg/l |
| Total Suspended Solids(TSS) | 28.00 | mg/l |