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: 16/02/2022 | Sample Time: 14:15 | |
| Human Activities: Bathing and Washing . | 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 moderately turbid | Odour: Fishy. | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | BDL | mg/l |
| BOD | 1.70 | mg/l |
| Conductivity | 91.78 | µs/cm |
| Dissolved O2(DO) | 8.40 | mg/l |
| Fecal Coliform | 400 | MPN/100ml |
| Fecal Streptococci | 33 | MPN/100ml |
| Nitrate-N | 0.04 | mg/l |
| pH | 6.31 | Unit |
| Temperature(Water) | 21 | ⁰C |
| Total Coliform | 1700 | MPN/100ml |
| Boron | 0.52 | mg/l |
| Calcium | 12.82 | mg/l |
| Chloride | 4.89 | mg/l |
| COD | 18.72 | mg/l |
| Fluoride | 0.12 | mg/l |
| Magnesium | 7.48 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.005 | mg/l |
| Potassium | 1.30 | mg/l |
| Sodium | 4.80 | mg/l |
| Sulphate | 5.67 | mg/l |
| Total Alkalinity | 48.00 | mg/l |
| Total Dissolved Solids(TDS) | 55.00 | mg/l |
| Total Fixed Solids(TFS) | 66.00 | mg/l |
| Total Hardness as CaCo3 | 58.00 | mg/l |
| Total Suspended Solids(TSS) | 5.00 | mg/l |
| Turbidity | 3.61 | NTU |