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: 12/06/2019 | Sample Time: 13:00 | |
| 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 Brown | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| BOD | 2.30 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Fecal Coliform | 5000 | MPN/100ml |
| Total Coliform | 17000 | MPN/100ml |
| Conductivity | 64.03 | µs/cm |
| Temperature | 30 | ⁰C |
| Nitrate-N | 0.37 | mg/l |
| COD | 29.10 | mg/l |
| Dissolved O2(DO) | 7.20 | mg/l |
| Calcium | 11.22 | mg/l |
| Chloride | 0.83 | mg/l |
| Magnesium | 2.88 | mg/l |
| pH | 7.55 | Unit |
| Turbidity | 70.30 | NTU |
| Total Alkalinity | 32.00 | mg/l |
| Boron | 0.013 | mg/l |
| Total Suspended Solids(TSS) | 190.00 | mg/l |
| Total Dissolved Solids(TDS) | 110.00 | mg/l |
| Phosphate-P | 0.031 | mg/l |
| Sodium | 6.10 | mg/l |
| Ammonia-N | 0.51 | mg/l |
| Sulphate | 18.13 | mg/l |
| Potassium | 4.90 | mg/l |
| Total Fixed Solids(TFS) | 78.00 | mg/l |
| Total Hardness as CaCo3 | 38.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Fluoride | 0.20 | mg/l |