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: 15/06/2020 | Sample Time: 12:45 | |
| Human Activities: Bathing and Washing and Fishing. | Weather: Sunny,Humid and Hot. | Water Body: Jaldhaka |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Muddy Brown | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Fecal Coliform | 1700 | MPN/100ml |
| Nitrate-N | mg/l | |
| pH | 7.20 | Unit |
| Total Coliform | 5000 | MPN/100ml |
| Boron | 0.14 | mg/l |
| Calcium | 8.82 | mg/l |
| Chloride | 21.53 | mg/l |
| COD | 26.00 | mg/l |
| Fluoride | mg/l | |
| Magnesium | 2.30 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 1.995 | mg/l |
| Potassium | 0.90 | mg/l |
| Sodium | 4.30 | mg/l |
| Sulphate | 9.85 | mg/l |
| Total Alkalinity | 28.00 | mg/l |
| Total Dissolved Solids(TDS) | 80.00 | mg/l |
| Total Fixed Solids(TFS) | mg/l | |
| Total Hardness as CaCo3 | 30.00 | mg/l |
| Total Suspended Solids(TSS) | 280.00 | mg/l |
| Turbidity | NTU | |
| Ammonia-N | mg/l | |
| Conductivity | 28.61 | µs/cm |
| Dissolved O2(DO) | 7.10 | mg/l |
| Temperature(Water) | 29 | ⁰C |
| BOD | 1.30 | mg/l |