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: 31/08/2021 | Sample Time: 14:40 | |
| 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 Brown and moderately turbid | Odour: Odour Free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | BDL | mg/l |
| BOD | 1.00 | mg/l |
| Conductivity | 28.61 | µs/cm |
| Dissolved O2(DO) | 7.80 | mg/l |
| Fecal Coliform | 3400 | MPN/100ml |
| Fecal Streptococci | 11 | MPN/100ml |
| Nitrate-N | 0.12 | mg/l |
| pH | 7.20 | Unit |
| Temperature(Water) | 26 | ⁰C |
| Total Coliform | 13000 | MPN/100ml |
| Boron | 0.69 | mg/l |
| Calcium | 11.22 | mg/l |
| Chloride | 9.78 | mg/l |
| COD | 10.00 | mg/l |
| Fluoride | 0.13 | mg/l |
| Magnesium | 1.73 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.002 | mg/l |
| Potassium | 0.20 | mg/l |
| Sodium | 1.0 | mg/l |
| Sulphate | 3.48 | mg/l |
| Total Alkalinity | 42.00 | mg/l |
| Total Dissolved Solids(TDS) | 10.00 | mg/l |
| Total Fixed Solids(TFS) | 24.00 | mg/l |
| Total Hardness as CaCo3 | 34.0 | mg/l |
| Total Suspended Solids(TSS) | 8.00 | mg/l |
| Turbidity | 39.60 | NTU |