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: 11/01/2022 | Sample Time: 14:15 | |
| Human Activities: Bathing and Washing | Weather: Cloudy and foggy | 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 | 0.80 | mg/l |
| Conductivity | 102.60 | µs/cm |
| Dissolved O2(DO) | 8.10 | mg/l |
| Fecal Coliform | 7000 | MPN/100ml |
| Fecal Streptococci | 48.00 | MPN/100ml |
| Nitrate-N | 0.06 | mg/l |
| pH | 7.15 | Unit |
| Temperature(Water) | 19 | ⁰C |
| Total Coliform | 14000 | MPN/100ml |
| Boron | 2.03 | mg/l |
| Calcium | 16.83 | mg/l |
| Chloride | 7.73 | mg/l |
| COD | 20.00 | mg/l |
| Fluoride | 0.18 | mg/l |
| Magnesium | 7.48 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.003 | mg/l |
| Potassium | 1.30 | mg/l |
| Sodium | 5.00 | mg/l |
| Sulphate | 3.60 | mg/l |
| Total Alkalinity | 60.00 | mg/l |
| Total Dissolved Solids(TDS) | 56.00 | mg/l |
| Total Fixed Solids(TFS) | 64.00 | mg/l |
| Total Hardness as CaCo3 | 68.00 | mg/l |
| Total Suspended Solids(TSS) | 5.00 | mg/l |
| Turbidity | 2.34 | NTU |