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: 24/09/2021 | Sample Time: 16:10 | |
| Human Activities: None | Weather: Sunny and Clear. | Water Body: TEESTA AT SILIGURI |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 2.00 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 | 1.50 | mg/l |
| Conductivity | 50.46 | µs/cm |
| Dissolved O2(DO) | 8.10 | mg/l |
| Fecal Coliform | 2200 | MPN/100ml |
| Fecal Streptococci | 13 | MPN/100ml |
| Nitrate-N | 0.08 | mg/l |
| pH | 6.91 | Unit |
| Temperature(Water) | 25 | ⁰C |
| Total Coliform | 9000 | MPN/100ml |
| Boron | 1.37 | mg/l |
| Calcium | 8.82 | mg/l |
| Chloride | 0.98 | mg/l |
| COD | 14.00 | mg/l |
| Fluoride | 0.15 | mg/l |
| Magnesium | 2.88 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.001 | mg/l |
| Potassium | BDL | mg/l |
| Sodium | 0.5 | mg/l |
| Sulphate | 3.42 | mg/l |
| Total Alkalinity | 56.00 | mg/l |
| Total Dissolved Solids(TDS) | 48.00 | mg/l |
| Total Fixed Solids(TFS) | 44.00 | mg/l |
| Total Hardness as CaCo3 | 32.00 | mg/l |
| Total Suspended Solids(TSS) | 19.00 | mg/l |
| Turbidity | 24.80 | NTU |