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: 14/01/2020 | Sample Time: 12:45 Hrs | |
| Human Activities: Fishing,washing. | Weather: Sunny and Clear | Water Body: Karala at jalpaiguri |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Dark Green and Clear | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Total Hardness as CaCo3 | 64.0 | mg/l |
| Total Suspended Solids(TSS) | 30.00 | mg/l |
| Turbidity | 2.32 | NTU |
| Ammonia-N | 0.13 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.030 | mg/l |
| Potassium | 2.1 | mg/l |
| Sodium | 4.0 | mg/l |
| Sulphate | 16.0 | mg/l |
| Total Alkalinity | 84.0 | mg/l |
| Total Dissolved Solids(TDS) | 58.00 | mg/l |
| Total Fixed Solids(TFS) | 18.00 | mg/l |
| BOD | 1.20 | mg/l |
| Dissolved O2(DO) | 7.20 | mg/l |
| Total Coliform | 3400 | MPN/100ml |
| Boron | 4.39 | mg/l |
| Conductivity | 78.63 | µs/cm |
| Fecal Coliform | 1300 | MPN/100ml |
| Nitrate-N | 1.34 | mg/l |
| pH | 7.20 | Unit |
| Temperature | 14 | ⁰C |
| Fluoride | 0.18 | mg/l |
| Magnesium | 0.58 | mg/l |
| Calcium | 16.83 | mg/l |
| Chloride | 10.76 | mg/l |
| COD | 31.00 | mg/l |