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: 08/01/2021 | Sample Time: 15:00 Hrs | |
| Human Activities: sand recovery and Construction work | 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 Green and Slightly Turbid | Odour: Odourless | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| BOD | 1.80 | mg/l |
| Dissolved O2(DO) | 7.60 | mg/l |
| Fecal Coliform | 5000 | MPN/100ml |
| Fecal Streptococci | 5000 | MPN/100ml |
| Nitrate-N | 0.011 | mg/l |
| pH | 7.01 | Unit |
| Temperature(Water) | 27 | ⁰C |
| Total Coliform | 17000 | MPN/100ml |
| Boron | 1.11 | mg/l |
| Calcium | 6.41 | mg/l |
| Chloride | 0.97 | mg/l |
| COD | 38.0 | mg/l |
| Fluoride | 0.21 | mg/l |
| Magnesium | 5.76 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.003 | mg/l |
| Potassium | 4.20 | mg/l |
| Sodium | 5.70 | mg/l |
| Sulphate | 2.14 | mg/l |
| Total Alkalinity | 48.0 | mg/l |
| Total Dissolved Solids(TDS) | 42.00 | mg/l |
| Total Fixed Solids(TFS) | 172.00 | mg/l |
| Total Hardness as CaCo3 | 36.00 | mg/l |
| Total Suspended Solids(TSS) | 22.00 | mg/l |
| Turbidity | 5.04 | NTU |
| Ammonia-N | 0.19 | mg/l |
| Conductivity | 82.80 | µs/cm |