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: 20/09/2021 | Sample Time: 14:10 | |
| Human Activities: Bathing and Washing and Fishing. | Weather: Sunny and Clear. | Water Body: Karala at jalpaiguri |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.50 m |
| Color & Intensity: Dark Green and clear. | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Potassium | 1.50 | mg/l |
| Sodium | 2.70 | mg/l |
| Sulphate | 4.71 | mg/l |
| Total Alkalinity | 22.00 | mg/l |
| Total Dissolved Solids(TDS) | 36.00 | mg/l |
| Total Fixed Solids(TFS) | 70.00 | mg/l |
| Total Hardness as CaCo3 | 66.00 | mg/l |
| Total Suspended Solids(TSS) | 4.00 | mg/l |
| Turbidity | 11.10 | NTU |
| Ammonia-N | 0.12 | mg/l |
| BOD | 1.90 | mg/l |
| Conductivity | 90.17 | µs/cm |
| Dissolved O2(DO) | 6.90 | mg/l |
| Fecal Coliform | 2700 | MPN/100ml |
| Fecal Streptococci | 17 | MPN/100ml |
| Nitrate-N | 0.07 | mg/l |
| pH | 6.63 | Unit |
| Temperature(Water) | 32 | ⁰C |
| Total Coliform | 11000 | MPN/100ml |
| Boron | 0.21 | mg/l |
| Calcium | 18.43 | mg/l |
| Chloride | 3.91 | mg/l |
| COD | 24.00 | mg/l |
| Fluoride | 0.16 | mg/l |
| Magnesium | 5.76 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.006 | mg/l |