West Bengal Pollution Control Board |
Central Laboratory |
Paribesh Bhawan, 10A, Block LA, Sector III, Salt Lake City, Kolkata 700 106. (033) 2335-5953 |
| Station: TOPSIA CALCUTTA, WEST BENGAL | River Basin: GANGA | CPCB Station Code: 1774 |
| Sample Date: 27/10/2021 | Sample Time: 11:45 | |
| Human Activities: Drinking & Domestic | Weather: clear | Water Body: Ground Water at TOPSIA |
| Frequency Of Monitoring: Halfyearly | Use Based Class: A | Approximate Depth(Bottom/Table): 0.00 m |
| Color & Intensity: Clear | Odour: Odour free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Nickel | BDL | mg/l |
| Zinc | 2.01 | mg/l |
| a-BHC | BDL | ppb |
| a-Endosulphan | BDL | ppb |
| Aldrin | BDL | ppb |
| Anilophos | BDL | ppb |
| b-Endosulphan | BDL | ppb |
| Chlorpyriphos | BDL | ppb |
| Dieldrin | BDL | ppb |
| g-BHC | BDL | ppb |
| Malathion | BDL | ppb |
| Methyl Parathion | BDL | ppb |
| o,p-DDT | BDL | ppb |
| p,p-DDT | BDL | ppb |
| Ammonia-N | BDL | mg/l |
| BOD | 0.60 | mg/l |
| Conductivity | 1921.00 | µs/cm |
| Fecal Coliform | 13 | MPN/100ml |
| Nitrate-N | 0.15 | mg/l |
| pH | 7.34 | Unit |
| Temperature(Water) | 29.0 | ⁰C |
| Total Coliform | 27 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 160.00 | mg/l |
| Chloride | 434.86 | mg/l |
| COD | 5.00 | mg/l |
| Fluoride | 0.32 | mg/l |
| Magnesium | 43.74 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.06 | mg/l |
| Potassium | 4.15 | mg/l |
| Sodium | 51.79 | mg/l |
| Sulphate | 18.14 | mg/l |
| Total Alkalinity | 280.00 | mg/l |
| Total Dissolved Solids(TDS) | 926.00 | mg/l |
| Total Fixed Solids(TFS) | 804.00 | mg/l |
| Total Hardness as CaCo3 | 580.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 22.00 | mg/l |
| Turbidity | 15.80 | NTU |
| Arsenic | BDL | mg/l |
| Cadmium | BDL | mg/l |
| Chromium Total | BDL | mg/l |
| Copper | BDL | mg/l |
| Iron | 0.56 | mg/l |
| Lead | BDL | mg/l |
| Mercury | BDL | mg/l |