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: 09/03/2022 | Sample Time: 16:20 | |
| 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 | 1.70 | mg/l |
| Conductivity | 136.20 | µs/cm |
| Dissolved O2(DO) | 7.70 | mg/l |
| Fecal Coliform | 1700 | MPN/100ml |
| Fecal Streptococci | 34 | MPN/100ml |
| Nitrate-N | 0.56 | mg/l |
| pH | 6.91 | Unit |
| Temperature(Water) | 23 | ⁰C |
| Total Coliform | 3400 | MPN/100ml |
| Boron | 0.59 | mg/l |
| Calcium | 17.60 | mg/l |
| Chloride | 7.82 | mg/l |
| COD | 18.40 | mg/l |
| Fluoride | 0.14 | mg/l |
| Magnesium | 3.88 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.013 | mg/l |
| Potassium | 1.00 | mg/l |
| Sodium | 3.90 | mg/l |
| Sulphate | 5.56 | mg/l |
| Total Alkalinity | 64.00 | mg/l |
| Total Dissolved Solids(TDS) | 68.00 | mg/l |
| Total Fixed Solids(TFS) | 168.00 | mg/l |
| Total Hardness as CaCo3 | 60.00 | mg/l |
| Total Suspended Solids(TSS) | 6.00 | mg/l |
| Turbidity | 1.86 | NTU |