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: 28/02/2020 | Sample Time: 11:50 Hrs | |
| Human Activities: None | Weather: Clear and Sunny | Water Body: Jaldhaka |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Moderately Brown and Slightly Turbid | Odour: None | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | mg/l | |
| Dissolved O2(DO) | 7.90 | mg/l |
| Temperature | 20 | ⁰C |
| COD | mg/l | |
| Magnesium | mg/l | |
| Sodium | mg/l | |
| Total Fixed Solids(TFS) | mg/l | |
| Fecal Coliform | MPN/100ml | |
| Nitrate-N | mg/l | |
| pH | 7.96 | Unit |
| Total Coliform | MPN/100ml | |
| Boron | mg/l | |
| Calcium | mg/l | |
| Chloride | mg/l | |
| Fluoride | mg/l | |
| Phenolpthalein Alkanity | mg/l | |
| Phosphate-P | mg/l | |
| Sulphate | mg/l | |
| Total Alkalinity | mg/l | |
| Total Dissolved Solids(TDS) | mg/l | |
| Total Hardness as CaCo3 | mg/l | |
| Total Suspended Solids(TSS) | mg/l | |
| Turbidity | 1.81 | NTU |
| BOD | 1.20 | mg/l |
| Conductivity | µs/cm | |
| Potassium | mg/l | |