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: 25/06/2019 | Sample Time: 10:30 | |
| Human Activities: Bathing, Washing and Fishing. | Weather: Cloudy and Rainy | Water Body: Jaldhaka |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Muddy and Moderately Brown | Odour: Odour free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Nitrate-N | 0.38 | mg/l |
| pH | 7.48 | Unit |
| Ammonia-N | 0.20 | mg/l |
| BOD | 1.20 | mg/l |
| Conductivity | 56.30 | µs/cm |
| Dissolved O2(DO) | 7.20 | mg/l |
| Fecal Coliform | 2300 | MPN/100ml |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.294 | mg/l |
| Sodium | 1.40 | mg/l |
| Sulphate | 12.29 | mg/l |
| Total Coliform | 7000 | MPN/100ml |
| Temperature | 24 | ⁰C |
| Boron | 0.019 | mg/l |
| Potassium | 8.40 | mg/l |
| Calcium | 10.42 | mg/l |
| Chloride | 9.78 | mg/l |
| COD | 37.60 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 5.18 | mg/l |
| Total Alkalinity | 72.00 | mg/l |
| Total Dissolved Solids(TDS) | 140.00 | mg/l |
| Total Fixed Solids(TFS) | 4227.00 | mg/l |
| Total Hardness as CaCo3 | 44.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 1020.00 | mg/l |
| Turbidity | 889.00 | NTU |