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: 23/10/2019 | Sample Time: 8:30 | |
| Human Activities: Bathing, Washing and Fishing. | Weather: Sunny and Hot | Water Body: Karala at jalpaiguri |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Clear and Moderately Green | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Total Dissolved Solids(TDS) | 70.00 | mg/l |
| Total Fixed Solids(TFS) | 216.00 | mg/l |
| Total Hardness as CaCo3 | 48.00 | mg/l |
| Total Suspended Solids(TSS) | 48.00 | mg/l |
| Turbidity | 2.60 | NTU |
| Ammonia-N | BDL | mg/l |
| BOD | 1.70 | mg/l |
| Conductivity | 141.90 | µs/cm |
| Dissolved O2(DO) | 7.20 | mg/l |
| Fecal Coliform | 2600 | MPN/100ml |
| Nitrate-N | 0.57 | mg/l |
| pH | 7.42 | Unit |
| Temperature | 29 | ⁰C |
| Total Coliform | 9000 | MPN/100ml |
| Boron | 0.025 | mg/l |
| Calcium | 10.42 | mg/l |
| Chloride | 9.80 | mg/l |
| COD | 48.00 | mg/l |
| Fluoride | 0.17 | mg/l |
| Magnesium | 6.34 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.039 | mg/l |
| Potassium | 2.30 | mg/l |
| Sodium | 2.90 | mg/l |
| Sulphate | 18.79 | mg/l |
| Total Alkalinity | 54.00 | mg/l |