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: 25/05/2022 | Sample Time: 12:45 | |
| 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: Dark Green and Clear | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | BDL | mg/l |
| BOD | 2.10 | mg/l |
| Conductivity | 107.10 | µs/cm |
| Dissolved O2(DO) | 6.80 | mg/l |
| Fecal Coliform | 2300 | MPN/100ml |
| Fecal Streptococci | 33 | MPN/100ml |
| Nitrate-N | 1.46 | mg/l |
| pH | 7.39 | Unit |
| Temperature(Water) | 28 | ⁰C |
| Total Coliform | 5000 | MPN/100ml |
| Boron | 3.40 | mg/l |
| Calcium | 11.20 | mg/l |
| Chloride | 4.89 | mg/l |
| COD | 24.84 | mg/l |
| Fluoride | 0.11 | mg/l |
| Magnesium | 0.48 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.005 | mg/l |
| Potassium | 2.40 | mg/l |
| Sodium | 8.80 | mg/l |
| Sulphate | 5.25 | mg/l |
| Total Alkalinity | 48.00 | mg/l |
| Total Dissolved Solids(TDS) | 53.00 | mg/l |
| Total Fixed Solids(TFS) | 170.00 | mg/l |
| Total Hardness as CaCo3 | 30.00 | mg/l |
| Total Suspended Solids(TSS) | 6.00 | mg/l |
| Turbidity | 1.16 | NTU |