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: 15/12/2020 | Sample Time: 14:10 | |
| Human Activities: None | 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: Light Green | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| BOD | 1.60 | mg/l |
| Conductivity | 96.42 | µs/cm |
| Dissolved O2(DO) | 7.40 | mg/l |
| Fecal Coliform | 2100 | MPN/100ml |
| Fecal Streptococci | 34 | MPN/100ml |
| Nitrate-N | 0.155 | mg/l |
| pH | 6.90 | Unit |
| Temperature(Water) | 21 | ⁰C |
| Total Coliform | 5000 | MPN/100ml |
| Boron | 0.048 | mg/l |
| Calcium | 5.61 | mg/l |
| Chloride | 1.95 | mg/l |
| COD | 40.00 | mg/l |
| Fluoride | 0.27 | mg/l |
| Magnesium | 20.16 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.023 | mg/l |
| Potassium | 2.10 | mg/l |
| Sodium | 3.80 | mg/l |
| Sulphate | 11.78 | mg/l |
| Total Alkalinity | 66.00 | mg/l |
| Total Dissolved Solids(TDS) | 92.00 | mg/l |
| Total Fixed Solids(TFS) | 150.00 | mg/l |
| Total Hardness as CaCo3 | 84.00 | mg/l |
| Total Suspended Solids(TSS) | 24.00 | mg/l |
| Turbidity | 7.81 | NTU |
| Ammonia-N | 0.23 | mg/l |