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: 12/06/2019 | Sample Time: 14:00 | |
| Human Activities: Bathing, Washing and Fishing. | Weather: Sunny and Clear | Water Body: Karala at jalpaiguri |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Dark Green | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| BOD | 2.10 | mg/l |
| Ammonia-N | 0.34 | mg/l |
| Calcium | 26.45 | mg/l |
| Total Coliform | 9000 | MPN/100ml |
| pH | 7.18 | Unit |
| Boron | 0.015 | mg/l |
| Temperature | 30 | ⁰C |
| Fluoride | 0.21 | mg/l |
| Magnesium | 8.64 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.017 | mg/l |
| Potassium | 5.30 | mg/l |
| Total Dissolved Solids(TDS) | 148.00 | mg/l |
| Total Fixed Solids(TFS) | 69.00 | mg/l |
| Sulphate | 10.94 | mg/l |
| Total Alkalinity | 94.00 | mg/l |
| Total Hardness as CaCo3 | 96.00 | mg/l |
| Total Suspended Solids(TSS) | 194.00 | mg/l |
| Turbidity | 6.88 | NTU |
| Chloride | 9.78 | mg/l |
| COD | 43.10 | mg/l |
| Sodium | 3.30 | mg/l |
| Conductivity | 173.60 | µs/cm |
| Dissolved O2(DO) | 7.20 | mg/l |
| Fecal Coliform | 1700 | MPN/100ml |
| Nitrate-N | 0.41 | mg/l |