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: 19/03/2019 | Sample Time: 09:45 Hrs | |
| Human Activities: Washing Clothes and Fishing. | 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 Green and turbid | Odour: Fishy | Visible effluent discharge: moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Temperature | 29 | ⁰C |
| Total Coliform | 17000 | MPN/100ml |
| Boron | 0.008 | mg/l |
| Calcium | 23.20 | mg/l |
| Chloride | 11.74 | mg/l |
| COD | 57.00 | mg/l |
| Fluoride | 0.12 | mg/l |
| Magnesium | 8.06 | mg/l |
| Ammonia-N | BDL | mg/l |
| BOD | 2.40 | mg/l |
| Conductivity | 118.12 | µs/cm |
| Dissolved O2(DO) | 7.60 | mg/l |
| Fecal Coliform | 3300 | MPN/100ml |
| pH | 7.88 | Unit |
| Nitrate-N | 0.40 | mg/l |
| Phenolpthalein Alkanity | Nil | mg/l |
| Phosphate-P | 0.009 | mg/l |
| Potassium | 3.00 | mg/l |
| Sodium | 4.60 | mg/l |
| Sulphate | 3.33 | mg/l |
| Total Dissolved Solids(TDS) | 68.00 | mg/l |
| Total Fixed Solids(TFS) | 72.0 | mg/l |
| Total Hardness as CaCo3 | 86.00 | mg/l |
| Total Suspended Solids(TSS) | 32.00 | mg/l |
| Total Alkalinity | 108.00 | mg/l |
| Turbidity | 3.16 | NTU |