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: 23/06/2022 | Sample Time: 15:15 | |
| Human Activities: Bathing and Washing | 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: Light Green and turbid | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.21 | mg/l |
| BOD | 2.30 | mg/l |
| Conductivity | 86.29 | µs/cm |
| Dissolved O2(DO) | 6.80 | mg/l |
| Fecal Coliform | 2300 | MPN/100ml |
| Fecal Streptococci | 58 | MPN/100ml |
| Nitrate-N | 0.96 | mg/l |
| pH | 7.81 | Unit |
| Temperature(Water) | 28 | ⁰C |
| Total Coliform | 7000 | MPN/100ml |
| Boron | 2.76 | mg/l |
| Calcium | 10.40 | mg/l |
| Chloride | 4.89 | mg/l |
| COD | 18.00 | mg/l |
| Fluoride | 0.13 | mg/l |
| Magnesium | 0.48 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.012 | mg/l |
| Potassium | 2.80 | mg/l |
| Sodium | 6.80 | mg/l |
| Sulphate | 9.66 | mg/l |
| Total Alkalinity | 34.00 | mg/l |
| Total Dissolved Solids(TDS) | 44.00 | mg/l |
| Total Fixed Solids(TFS) | 122.00 | mg/l |
| Total Hardness as CaCo3 | 28.00 | mg/l |
| Total Suspended Solids(TSS) | 7.00 | mg/l |
| Turbidity | 7.14 | NTU |