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: 13/04/2020 | Sample Time: 13:10 | |
| Human Activities: None | Weather: Sunny and Hot. | 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 | 1.20 | mg/l |
| Conductivity | 78.10 | µs/cm |
| Dissolved O2(DO) | 8.60 | mg/l |
| Fecal Coliform | 1300 | MPN/100ml |
| Nitrate-N | mg/l | |
| pH | 7.20 | Unit |
| Temperature(Water) | 28 | ⁰C |
| Total Coliform | 3400 | MPN/100ml |
| Boron | mg/l | |
| Calcium | 15.23 | mg/l |
| Chloride | 7.82 | mg/l |
| COD | 16.00 | mg/l |
| Fluoride | mg/l | |
| Magnesium | 8.64 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.003 | mg/l |
| Potassium | 2.40 | mg/l |
| Sodium | 3.00 | mg/l |
| Sulphate | 9.06 | mg/l |
| Total Alkalinity | 64.00 | mg/l |
| Total Dissolved Solids(TDS) | 72.00 | mg/l |
| Total Fixed Solids(TFS) | mg/l | |
| Total Hardness as CaCo3 | 58.00 | mg/l |
| Total Suspended Solids(TSS) | 10.00 | mg/l |
| Turbidity | NTU | |
| Arsenic | mg/l | |
| Cadmium | mg/l | |
| Chromium Total | mg/l | |
| Copper | mg/l | |
| Iron | mg/l | |
| Lead | mg/l | |
| Mercury | mg/l | |
| Nickel | mg/l | |
| Zinc | mg/l | |
| a-BHC | ppb | |
| a-Endosulphan | ppb | |
| Aldrin | ppb | |
| Anilophos | ppb | |
| b-Endosulphan | ppb | |
| Chlorpyriphos | ppb | |
| Dieldrin | ppb | |
| g-BHC | ppb | |
| Malathion | ppb | |
| Methyl Parathion | ppb | |
| o,p-DDT | ppb | |
| p,p-DDT | ppb | |
| Ammonia-N | mg/l | |