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: 10/05/2019 | Sample Time: 12:45 | |
| Human Activities: Sand Extraction | Weather: Cloudy,Hot and Humid | Water Body: Jaldhaka |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Clear and Light Green | Odour: Odour free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Sulphate | 10.32 | mg/l |
| Total Alkalinity | 70.00 | mg/l |
| Total Hardness as CaCo3 | 60.00 | mg/l |
| Fecal Coliform | 2600 | MPN/100ml |
| Nitrate-N | 0.23 | mg/l |
| pH | 7.38 | Unit |
| Temperature | 28 | ⁰C |
| Total Coliform | 9000 | MPN/100ml |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Boron | 0.014 | mg/l |
| Calcium | 13.62 | mg/l |
| Ammonia-N | 0.13 | mg/l |
| BOD | 2.60 | mg/l |
| Conductivity | 155.90 | µs/cm |
| Chloride | 13.69 | mg/l |
| Dissolved O2(DO) | 7.30 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.255 | mg/l |
| Potassium | 2.80 | mg/l |
| Sodium | 2.10 | mg/l |
| COD | 31.76 | mg/l |
| Fluoride | 0.18 | mg/l |
| Magnesium | 7.49 | mg/l |
| Total Suspended Solids(TSS) | 2052 | mg/l |
| Total Dissolved Solids(TDS) | 119.00 | mg/l |
| Total Fixed Solids(TFS) | 36.00 | mg/l |
| Turbidity | 2.28 | NTU |