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: 15/12/2020 | Sample Time: 13:10 | |
| 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: Light Green | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.22 | mg/l |
| Fecal Coliform | 5000 | MPN/100ml |
| Fecal Streptococci | 4 | MPN/100ml |
| Nitrate-N | 0.011 | mg/l |
| pH | 7.02 | Unit |
| Temperature(Water) | 20 | ⁰C |
| Total Coliform | 11000 | MPN/100ml |
| Boron | 1.88 | mg/l |
| Chloride | 4.90 | mg/l |
| COD | 32.00 | mg/l |
| Fluoride | 0.22 | mg/l |
| Magnesium | 8.06 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.012 | mg/l |
| Potassium | 2.80 | mg/l |
| Sodium | 5.80 | mg/l |
| Sulphate | 4.07 | mg/l |
| Total Alkalinity | 32.00 | mg/l |
| Dissolved O2(DO) | 6.40 | mg/l |
| Conductivity | 26.24 | µs/cm |
| Calcium | 7.21 | mg/l |
| Total Dissolved Solids(TDS) | 72.00 | mg/l |
| Total Fixed Solids(TFS) | 218.00 | mg/l |
| Total Hardness as CaCo3 | 46.00 | mg/l |
| Total Suspended Solids(TSS) | 28.00 | mg/l |
| Turbidity | 7.12 | NTU |
| BOD | 1.40 | mg/l |