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: 22/07/2021 | Sample Time: 13:40 | |
| Human Activities: Bathing and Washing . | Weather: Sunny and humid | 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 | 0.13 | mg/l |
| BOD | 1.20 | mg/l |
| Conductivity | 68.14 | µs/cm |
| Dissolved O2(DO) | 7.60 | mg/l |
| Fecal Coliform | 3000 | MPN/100ml |
| Fecal Streptococci | 15 | MPN/100ml |
| Nitrate-N | 0.08 | mg/l |
| pH | 6.92 | Unit |
| Temperature(Water) | 27 | ⁰C |
| Total Coliform | 7000 | MPN/100ml |
| Boron | 0.89 | mg/l |
| Calcium | 8.82 | mg/l |
| Chloride | 9.78 | mg/l |
| COD | 19.00 | mg/l |
| Fluoride | 0.22 | mg/l |
| Magnesium | 2.88 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.005 | mg/l |
| Potassium | 0.90 | mg/l |
| Sodium | 2.10 | mg/l |
| Sulphate | 12.58 | mg/l |
| Total Alkalinity | 74.00 | mg/l |
| Total Dissolved Solids(TDS) | 36.00 | mg/l |
| Total Fixed Solids(TFS) | 176.00 | mg/l |
| Total Hardness as CaCo3 | 32.00 | mg/l |
| Total Suspended Solids(TSS) | 26.00 | mg/l |
| Turbidity | 18.00 | NTU |