West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: KALJANI D/S OF ALIPURDWAR, MUNICIPALITY DISCHARGE POINT | River Basin: Raidak_Torsa | CPCB Station Code: 2524 |
| Sample Date: 29/04/2021 | Sample Time: 14:00 | |
| Human Activities: Fishing,washing and cleaning. | Weather: Sunny and Clear. | Water Body: null |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Light Brown and moderately turbid | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.26 | mg/l |
| BOD | 2.10 | mg/l |
| Conductivity | 81.11 | µs/cm |
| Dissolved O2(DO) | 6.90 | mg/l |
| Fecal Coliform | 2100 | MPN/100ml |
| Fecal Streptococci | 26 | MPN/100ml |
| Nitrate-N | 0.25 | mg/l |
| pH | 6.74 | Unit |
| Temperature(Water) | 29 | ⁰C |
| Total Coliform | 9000 | MPN/100ml |
| Boron | 1.00 | mg/l |
| Calcium | 22.44 | mg/l |
| Chloride | 3.91 | mg/l |
| COD | 52.00 | mg/l |
| Fluoride | 0.41 | mg/l |
| Magnesium | 3.26 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.006 | mg/l |
| Potassium | 0.90 | mg/l |
| Sodium | 1.70 | mg/l |
| Sulphate | 11.58 | mg/l |
| Total Alkalinity | 68.00 | mg/l |
| Total Dissolved Solids(TDS) | 76.00 | mg/l |
| Total Fixed Solids(TFS) | 14.00 | mg/l |
| Total Hardness as CaCo3 | 64.00 | mg/l |
| Arsenic | BDL | mg/l |
| Cadmium | BDL | mg/l |
| Chromium Total | BDL | mg/l |
| Copper | BDL | mg/l |
| Iron | BDL | mg/l |
| Lead | BDL | mg/l |
| Mercury | BDL | mg/l |
| Nickel | BDL | mg/l |
| Zinc | BDL | mg/l |
| 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 | |
| a-BHC | ppb | |
| Total Suspended Solids(TSS) | 26.00 | mg/l |
| Turbidity | 1.67 | NTU |