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: 20/02/2020 | Sample Time: 14:20 Hrs | |
| Human Activities: Bathing,Washing. | Weather: Cloudy | Water Body: Teesta |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Dark Green and Slightly Turbid | Odour: Odour free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Conductivity | 92.28 | µs/cm |
| Sodium | 5.70 | mg/l |
| Dissolved O2(DO) | 7.80 | mg/l |
| Fecal Coliform | 2300 | MPN/100ml |
| Nitrate-N | 1.21 | mg/l |
| pH | 6.85 | Unit |
| Total Coliform | 7000 | MPN/100ml |
| Boron | 12.78 | mg/l |
| Calcium | 8.81 | mg/l |
| Chloride | 10.76 | mg/l |
| COD | 23.00 | mg/l |
| Fluoride | 0.13 | mg/l |
| Magnesium | 2.30 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | BDL | mg/l |
| Potassium | 4.20 | mg/l |
| Sulphate | 5.13 | mg/l |
| Total Alkalinity | 40.00 | mg/l |
| Total Dissolved Solids(TDS) | 246.00 | mg/l |
| Total Fixed Solids(TFS) | 122.00 | mg/l |
| Total Hardness as CaCo3 | 30.00 | mg/l |
| Total Suspended Solids(TSS) | 53.00 | mg/l |
| Turbidity | 19.40 | NTU |
| Ammonia-N | 0.53 | mg/l |
| BOD | 1.80 | mg/l |
| Temperature | 23 | ⁰C |