West Bengal Pollution Control Board |
Central Laboratory |
Paribesh Bhawan, 10A, Block LA, Sector III, Salt Lake City, Kolkata 700 106. (033) 2335-5953 |
| Station: CENTRAL KOLKATA | River Basin: GANGA | CPCB Station Code: 1932 |
| Sample Date: 06/04/2021 | Sample Time: 11:30 | |
| Human Activities: Domestic usage | Weather: Sunny | Water Body: Ground Water at Central Kolkata |
| 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 |
| Ammonia-N | BDL | mg/l |
| BOD | 0.50 | mg/l |
| Conductivity | 482.30 | µs/cm |
| Fecal Coliform | <1.8 | MPN/100ml |
| Nitrate-N | 0.04 | mg/l |
| pH | 7.78 | Unit |
| Temperature(Water) | 30.0 | ⁰C |
| Total Coliform | <1.8 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 35.20 | mg/l |
| Chloride | 37.15 | mg/l |
| COD | 1.00 | mg/l |
| Fluoride | 0.53 | mg/l |
| Magnesium | 14.58 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.01 | mg/l |
| Potassium | 2.40 | mg/l |
| Sodium | 57.51 | mg/l |
| Sulphate | 3.78 | mg/l |
| Total Alkalinity | 260.00 | mg/l |
| Total Dissolved Solids(TDS) | 316.00 | mg/l |
| Total Fixed Solids(TFS) | 298.00 | mg/l |
| Total Hardness as CaCo3 | 140.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 10.00 | mg/l |
| Turbidity | 15.40 | NTU |
| Arsenic | BDL | mg/l |
| Cadmium | BDL | mg/l |
| Chromium Total | BDL | mg/l |
| Copper | BDL | mg/l |
| Iron | 2.40 | mg/l |
| Lead | BDL | mg/l |
| Mercury | BDL | mg/l |
| Nickel | BDL | mg/l |
| Zinc | 0.70 | 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 | |