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: 15/02/2019 | Sample Time: 09:45 | |
| Human Activities: Fishing and Washing Clothes | Weather: Clear | Water Body: Karala at jalpaiguri |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Light Turbid Green | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | BDL | mg/l |
| BOD | 2.20 | mg/l |
| Conductivity | 186.44 | µs/cm |
| Dissolved O2(DO) | 7.20 | mg/l |
| Total Coliform | 17000 | MPN/100ml |
| Boron | 0.005 | mg/l |
| Fecal Coliform | 3400 | MPN/100ml |
| pH | 7.68 | Unit |
| Nitrate-N | 0.36 | mg/l |
| Fluoride | 0.26 | mg/l |
| Temperature | 22 | ⁰C |
| Calcium | 12.83 | mg/l |
| Chloride | 3.91 | mg/l |
| COD | 39.00 | mg/l |
| Magnesium | 2.88 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.010 | mg/l |
| Potassium | BDL | mg/l |
| Sodium | 6.03 | mg/l |
| Sulphate | 2.45 | mg/l |
| Total Alkalinity | 76.00 | mg/l |
| Total Dissolved Solids(TDS) | 88.00 | mg/l |
| Total Fixed Solids(TFS) | 144 | mg/l |
| Total Hardness as CaCo3 | 42.00 | mg/l |
| Total Suspended Solids(TSS) | 42.00 | mg/l |
| Turbidity | 5.60 | NTU |