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: 07/08/2019 | Sample Time: 14:30 | |
| Human Activities: Bathing, Washing. | Weather: Cloudy | 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 | 0.24 | mg/l |
| Nitrate-N | 0.81 | mg/l |
| pH | 6.63 | Unit |
| Temperature | 29 | ⁰C |
| Total Coliform | 2600 | MPN/100ml |
| Fecal Coliform | 2600 | MPN/100ml |
| Boron | 0.019 | mg/l |
| Calcium | 10.42 | mg/l |
| COD | 42.96 | mg/l |
| Fluoride | 0.28 | mg/l |
| Magnesium | 5.76 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.055 | mg/l |
| Potassium | 2.20 | mg/l |
| Sodium | 3.50 | mg/l |
| Sulphate | 11.26 | mg/l |
| Total Alkalinity | 60.0 | mg/l |
| Total Dissolved Solids(TDS) | 62.00 | mg/l |
| Total Hardness as CaCo3 | 76.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 72.00 | mg/l |
| Turbidity | 6.95 | NTU |
| Chloride | 11.74 | mg/l |
| Total Fixed Solids(TFS) | 150.00 | mg/l |
| BOD | 1.50 | mg/l |
| Conductivity | 53.72 | µs/cm |
| Dissolved O2(DO) | 6.90 | mg/l |