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: 26/11/2021 | Sample Time: 12:30 | |
| 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): 1.00 m |
| Color & Intensity: Clear and Dark green | Odour: Fishy. | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| BOD | 1.70 | mg/l |
| Conductivity | 107.90 | µs/cm |
| Dissolved O2(DO) | 7.20 | mg/l |
| Fecal Coliform | 8000 | MPN/100ml |
| Fecal Streptococci | 70 | MPN/100ml |
| Nitrate-N | 0.13 | mg/l |
| pH | 6.93 | Unit |
| Temperature(Water) | 24 | ⁰C |
| Total Coliform | 22000 | MPN/100ml |
| Boron | 2.44 | mg/l |
| Calcium | 24.04 | mg/l |
| Chloride | 15.65 | mg/l |
| Fluoride | 0.21 | mg/l |
| Magnesium | 0.96 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | BDL | mg/l |
| Potassium | 3.00 | mg/l |
| Sodium | 2.60 | mg/l |
| Sulphate | 14.00 | mg/l |
| Total Alkalinity | 88.00 | mg/l |
| Total Dissolved Solids(TDS) | 48.00 | mg/l |
| Total Fixed Solids(TFS) | 216.00 | mg/l |
| Total Hardness as CaCo3 | 64.00 | mg/l |
| Total Suspended Solids(TSS) | 147.00 | mg/l |
| COD | 20.0 | mg/l |
| Turbidity | 6.03 | NTU |
| Ammonia-N | BDL | mg/l |