West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: River Jaldhaka at Dhupguri | River Basin: Tista | CPCB Station Code: 4717 |
| Sample Date: 28/05/2020 | Sample Time: 12:30 Hrs | |
| Human Activities: None | Weather: Sunny | Water Body: Jaldhaka |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Light Brown and Moderately Turbid | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Boron | 1.17 | mg/l |
| Calcium | 5.61 | mg/l |
| Chloride | 7.83 | mg/l |
| Conductivity | 38.20 | µs/cm |
| Fecal Coliform | 2300 | MPN/100ml |
| Nitrate-N | mg/l | |
| pH | 7.40 | Unit |
| Temperature(Water) | 28 | ⁰C |
| Total Coliform | 7000 | MPN/100ml |
| COD | 20.00 | mg/l |
| Fluoride | mg/l | |
| Magnesium | 1.15 | mg/l |
| Phosphate-P | 0.017 | mg/l |
| Potassium | 0.80 | mg/l |
| Sodium | 5.10 | mg/l |
| Sulphate | 35.66 | mg/l |
| Total Alkalinity | 62.00 | mg/l |
| Total Dissolved Solids(TDS) | 118.00 | mg/l |
| Total Fixed Solids(TFS) | mg/l | |
| Total Hardness as CaCo3 | 18.00 | mg/l |
| Total Suspended Solids(TSS) | 75.00 | mg/l |
| Turbidity | NTU | |
| Ammonia-N | mg/l | |
| Dissolved O2(DO) | 7.20 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| BOD | 0.80 | mg/l |