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: 26/10/2021 | Sample Time: 10:05 | |
| Human Activities: None | Weather: Sunny | 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 Turbid | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | BDL | mg/l |
| BOD | 1.20 | mg/l |
| Conductivity | 52.00 | µs/cm |
| Dissolved O2(DO) | 6.90 | mg/l |
| Fecal Coliform | 800 | MPN/100ml |
| Fecal Streptococci | 12 | MPN/100ml |
| Nitrate-N | 0.08 | mg/l |
| pH | 7.20 | Unit |
| Temperature(Water) | 23 | ⁰C |
| Total Coliform | 3400 | MPN/100ml |
| Boron | 0.39 | mg/l |
| Calcium | 8.81 | mg/l |
| Chloride | 11.74 | mg/l |
| COD | 10.00 | mg/l |
| Fluoride | 0.13 | mg/l |
| Magnesium | 3.45 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.004 | mg/l |
| Potassium | 0.40 | mg/l |
| Sodium | 1.20 | mg/l |
| Sulphate | 13.13 | mg/l |
| Total Alkalinity | 34.00 | mg/l |
| Total Dissolved Solids(TDS) | 20.00 | mg/l |
| Total Fixed Solids(TFS) | 124.00 | mg/l |
| Total Hardness as CaCo3 | 34.00 | mg/l |
| Total Suspended Solids(TSS) | 10.00 | mg/l |
| Turbidity | 51.50 | NTU |