West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: KAROLA, D/S OF JALPAIGURI, NEAR MIN BHAWAN | River Basin: Tista | CPCB Station Code: 2523 |
| Sample Date: 22/01/2019 | Sample Time: 16:10 | |
| Human Activities: Fishing and Washing clothes. | Weather: Clear | Water Body: Karala at jalpaiguri |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Green and Light Turbid | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Temperature | 25 | ⁰C |
| Total Coliform | 13000 | MPN/100ml |
| Boron | 0.014 | mg/l |
| Calcium | 11.22 | mg/l |
| COD | 40.00 | mg/l |
| Fluoride | 0.18 | mg/l |
| Dissolved O2(DO) | 7.40 | mg/l |
| Fecal Coliform | 2700 | MPN/100ml |
| Nitrate-N | 0.33 | mg/l |
| pH | 7.23 | Unit |
| Sodium | 6.96 | mg/l |
| Sulphate | 8.35 | mg/l |
| Total Alkalinity | 70.00 | mg/l |
| Total Dissolved Solids(TDS) | 78.00 | mg/l |
| Total Fixed Solids(TFS) | 104.0 | mg/l |
| Total Hardness as CaCo3 | 40.00 | mg/l |
| Total Suspended Solids(TSS) | 34.0 | mg/l |
| Turbidity | 6.72 | NTU |
| Ammonia-N | 0.52 | mg/l |
| Phenolpthalein Alkanity | Nil | mg/l |
| Phosphate-P | 0.063 | mg/l |
| Potassium | BDL | mg/l |
| BOD | 1.80 | mg/l |
| Conductivity | 96.17 | µs/cm |
| Chloride | 6.85 | mg/l |
| Magnesium | 3.36 | mg/l |