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: 23/12/2021 | Sample Time: 14:05 Hrs | |
| Human Activities: Bathing,Fishing,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 moderately turbid | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | BDL | mg/l |
| BOD | 1.40 | mg/l |
| Conductivity | 93.26 | µs/cm |
| Dissolved O2(DO) | 7.40 | mg/l |
| Fecal Streptococci | 17 | MPN/100ml |
| pH | 7.04 | Unit |
| Temperature(Water) | 20 | ⁰C |
| Total Coliform | 7000 | MPN/100ml |
| Boron | 2.21 | mg/l |
| Calcium | 20.84 | mg/l |
| Chloride | 7.82 | mg/l |
| COD | 19.0 | mg/l |
| Fluoride | 0.18 | mg/l |
| Magnesium | 2.30 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.004 | mg/l |
| Total Alkalinity | 28.00 | mg/l |
| Total Dissolved Solids(TDS) | 56.00 | mg/l |
| Total Fixed Solids(TFS) | 102.0 | mg/l |
| Total Hardness as CaCo3 | 60.00 | mg/l |
| Total Suspended Solids(TSS) | 10.0 | mg/l |
| Turbidity | 3.73 | NTU |
| Nitrate-N | 0.14 | mg/l |
| Fecal Coliform | 3000 | MPN/100ml |
| Potassium | 0.90 | mg/l |
| Sodium | 1.70 | mg/l |
| Sulphate | 3.82 | mg/l |