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: 31/07/2020 | Sample Time: 12:00 | |
| Human Activities: Bathing and Washing 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: Clear and Dark Green | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Magnesium | 1.86 | mg/l |
| Total Hardness as CaCo3 | 18.00 | mg/l |
| Conductivity | 46.61 | µs/cm |
| Dissolved O2(DO) | 7.20 | mg/l |
| Fecal Coliform | 3400 | MPN/100ml |
| Nitrate-N | 2.10 | mg/l |
| pH | 7.62 | Unit |
| Total Coliform | 17000 | MPN/100ml |
| Calcium | 4.01 | mg/l |
| Chloride | 10.76 | mg/l |
| COD | 42.00 | mg/l |
| Fluoride | BDL | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Potassium | 1.60 | mg/l |
| Sulphate | 14.77 | mg/l |
| Total Alkalinity | 78.00 | mg/l |
| Total Dissolved Solids(TDS) | 68.00 | mg/l |
| Total Fixed Solids(TFS) | 108.00 | mg/l |
| Total Suspended Solids(TSS) | 56.00 | mg/l |
| Turbidity | 1.76 | NTU |
| Ammonia-N | BDL | mg/l |
| Sodium | 3.80 | mg/l |
| Boron | 2.08 | mg/l |
| Temperature(Water) | 30 | ⁰C |
| BOD | 1.80 | mg/l |
| Phosphate-P | 0.116 | mg/l |