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: 26/04/2019 | Sample Time: 10:30 | |
| Human Activities: Bathing, Washing and Fishing. | Weather: Clear and Sunny | Water Body: Karala at jalpaiguri |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Moderately Brown | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| a-Endosulphan | NT | ppb |
| Aldrin | NT | ppb |
| Anilophos | NT | ppb |
| b-Endosulphan | NT | ppb |
| Chlorpyriphos | NT | ppb |
| Dieldrin | NT | ppb |
| g-BHC | NT | ppb |
| Total Dissolved Solids(TDS) | 78.00 | mg/l |
| Total Fixed Solids(TFS) | 80.0 | mg/l |
| Total Hardness as CaCo3 | 44.00 | mg/l |
| Total Suspended Solids(TSS) | 48.00 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.010 | mg/l |
| Potassium | 2.20 | mg/l |
| Sodium | 4.60 | mg/l |
| Total Coliform | 7000 | MPN/100ml |
| Conductivity | 98.60 | µs/cm |
| Chloride | 23.48 | mg/l |
| COD | 40.00 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 4.61 | mg/l |
| Boron | 0.009 | mg/l |
| Mercury | BDL | µg/l |
| Nickel | BDL | µg/l |
| Zinc | BDL | µg/l |
| a-BHC | NT | ppb |
| Turbidity | 2.46 | NTU |
| Arsenic | BDL | µg/l |
| Cadmium | BDL | µg/l |
| Chromium Total | BDL | µg/l |
| Copper | BDL | µg/l |
| Iron | BDL | mg/l |
| Sulphate | 4.47 | mg/l |
| Total Alkalinity | 60.00 | mg/l |
| Calcium | 11.22 | mg/l |
| Ammonia-N | BDL | mg/l |
| Dissolved O2(DO) | 7.10 | mg/l |
| BOD | 2.10 | mg/l |
| Lead | BDL | µg/l |
| Malathion | NT | ppb |
| Methyl Parathion | NT | ppb |
| o,p-DDT | NT | ppb |
| p,p-DDT | NT | ppb |
| Fecal Coliform | 2200 | MPN/100ml |
| Nitrate-N | 0.53 | mg/l |
| pH | 7.68 | Unit |
| Temperature | 27 | ⁰C |