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: 11/01/2022 | Sample Time: 13:35 | |
| Human Activities: Bathing and Washing | Weather: Sunny and Clear. | Water Body: Teesta |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Light Green and moderately turbid | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.14 | mg/l |
| BOD | 0.90 | mg/l |
| Conductivity | 65.46 | µs/cm |
| Dissolved O2(DO) | 7.90 | mg/l |
| Fecal Coliform | 1300 | MPN/100ml |
| Fecal Streptococci | 27 | MPN/100ml |
| Nitrate-N | 0.03 | mg/l |
| pH | 7.38 | Unit |
| Temperature(Water) | 18 | ⁰C |
| Total Coliform | 3000 | MPN/100ml |
| Boron | 2.19 | mg/l |
| Calcium | 11.22 | mg/l |
| Chloride | 4.89 | mg/l |
| COD | 14.00 | mg/l |
| Fluoride | 0.23 | mg/l |
| Magnesium | 7.48 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.003 | mg/l |
| Potassium | 1.00 | mg/l |
| Sodium | 1.50 | mg/l |
| Sulphate | 6.87 | mg/l |
| Total Alkalinity | 40.00 | mg/l |
| Total Dissolved Solids(TDS) | 13.00 | mg/l |
| Total Fixed Solids(TFS) | 38.00 | mg/l |
| Total Hardness as CaCo3 | 54.00 | mg/l |
| Total Suspended Solids(TSS) | 9.00 | mg/l |
| Turbidity | 10.62 | NTU |