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: 21/12/2020 | Sample Time: 10:25 | |
| 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 | Odour: None | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Temperature(Water) | 20 | ⁰C |
| Total Coliform | 14000 | MPN/100ml |
| Boron | 2.66 | mg/l |
| Calcium | 12.02 | mg/l |
| Chloride | 0.98 | mg/l |
| COD | 24.00 | mg/l |
| Fluoride | 0.22 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.010 | mg/l |
| Potassium | 1.10 | mg/l |
| Sodium | 0.60 | mg/l |
| pH | 7.02 | Unit |
| Total Dissolved Solids(TDS) | 68.00 | mg/l |
| Total Alkalinity | 48.00 | mg/l |
| Total Fixed Solids(TFS) | 206.00 | mg/l |
| Total Hardness as CaCo3 | 38.00 | mg/l |
| Total Suspended Solids(TSS) | 52.00 | mg/l |
| Turbidity | 8.79 | NTU |
| Ammonia-N | 0.19 | mg/l |
| Nitrate-N | 0.259 | mg/l |
| BOD | 1.20 | mg/l |
| Conductivity | 60.32 | µs/cm |
| Dissolved O2(DO) | 7.10 | mg/l |
| Fecal Coliform | 5000 | MPN/100ml |
| Fecal Streptococci | 34 | MPN/100ml |
| Sulphate | 9.21 | mg/l |
| Magnesium | 2.30 | mg/l |