West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: River Teesta at Jalpesh | River Basin: Tista | CPCB Station Code: 4723 |
| Sample Date: 12/07/2022 | Sample Time: 14:20 | |
| Human Activities: None | Weather: Sunny and Clear. | Water Body: Teesta |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Moderately green and clear | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | BDL | mg/l |
| BOD | 1.80 | mg/l |
| Conductivity | 61.28 | µs/cm |
| Dissolved O2(DO) | 7.30 | mg/l |
| Fecal Coliform | 1300 | MPN/100ml |
| Fecal Streptococci | 17 | MPN/100ml |
| Nitrate-N | 0.12 | mg/l |
| pH | 7.74 | Unit |
| Temperature(Water) | 27 | ⁰C |
| Total Coliform | 3400 | MPN/100ml |
| Boron | 0.25 | mg/l |
| Calcium | 8.00 | mg/l |
| Chloride | 4.89 | mg/l |
| COD | 11.44 | mg/l |
| Fluoride | 0.11 | mg/l |
| Magnesium | 0.97 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.06 | mg/l |
| Potassium | 2.70 | mg/l |
| Sodium | 3.30 | mg/l |
| Sulphate | 9.12 | mg/l |
| Total Alkalinity | 28.00 | mg/l |
| Total Dissolved Solids(TDS) | 33.00 | mg/l |
| Total Fixed Solids(TFS) | 712.00 | mg/l |
| Total Hardness as CaCo3 | 24.00 | mg/l |
| Total Suspended Solids(TSS) | 184.00 | mg/l |
| Turbidity | 223.00 | NTU |