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: 26/10/2021 | Sample Time: 13:30 | |
| Human Activities: Bathing and Fishing | Weather: Sunny | 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 | 1.10 | mg/l |
| Conductivity | 66.49 | µs/cm |
| Dissolved O2(DO) | 7.20 | mg/l |
| Fecal Coliform | 2300 | MPN/100ml |
| Fecal Streptococci | 11 | MPN/100ml |
| Nitrate-N | 0.09 | mg/l |
| pH | 6.92 | Unit |
| Temperature(Water) | 28 | ⁰C |
| Total Coliform | 9000 | MPN/100ml |
| Boron | 0.49 | mg/l |
| Calcium | 10.42 | mg/l |
| Chloride | 1.96 | mg/l |
| COD | 14.00 | mg/l |
| Fluoride | 0.16 | mg/l |
| Magnesium | 7.49 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.104 | mg/l |
| Potassium | 3.90 | mg/l |
| Sodium | 2.80 | mg/l |
| Sulphate | 24.00 | mg/l |
| Total Alkalinity | 64.00 | mg/l |
| Total Dissolved Solids(TDS) | 28.00 | mg/l |
| Total Fixed Solids(TFS) | 144.00 | mg/l |
| Total Hardness as CaCo3 | 40.00 | mg/l |
| Total Suspended Solids(TSS) | 8.00 | mg/l |
| Turbidity | 5.14 | NTU |