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: 25/07/2019 | Sample Time: 11:45 | |
| Human Activities: Fishing. | Weather: Sunny ,Hot and Humid | 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 |
| Ammonia-N | 0.23 | mg/l |
| Dissolved O2(DO) | 6.80 | mg/l |
| BOD | 1.20 | mg/l |
| Conductivity | 57.62 | µs/cm |
| Fecal Coliform | 3400 | MPN/100ml |
| Nitrate-N | 0.33 | mg/l |
| pH | 7.45 | Unit |
| Temperature | 25 | ⁰C |
| Total Coliform | 13000 | MPN/100ml |
| Boron | 0.014 | mg/l |
| Calcium | 4.81 | mg/l |
| Chloride | 6.85 | mg/l |
| COD | 23.02 | mg/l |
| Fluoride | 0.18 | mg/l |
| Magnesium | 3.46 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.041 | mg/l |
| Potassium | 1.80 | mg/l |
| Sodium | 5.80 | mg/l |
| Sulphate | 17.61 | mg/l |
| Total Alkalinity | 32.00 | mg/l |
| Total Dissolved Solids(TDS) | 98.00 | mg/l |
| Total Fixed Solids(TFS) | 428.00 | mg/l |
| Total Hardness as CaCo3 | 24.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 96.00 | mg/l |
| Turbidity | 232.00 | NTU |