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: 18/10/2019 | Sample Time: 12:05 | |
| Human Activities: Domestic usage | Weather: Sunny clear | 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 |
| Sodium | 177.24 | mg/l |
| Sulphate | 6.31 | mg/l |
| Total Alkalinity | 400.00 | mg/l |
| Total Dissolved Solids(TDS) | 358.00 | mg/l |
| Total Fixed Solids(TFS) | 382.00 | mg/l |
| Cadmium | BDL | µg/l |
| Chromium Total | BDL | µg/l |
| Copper | BDL | µg/l |
| Iron | BDL | mg/l |
| Lead | BDL | µg/l |
| Mercury | BDL | µg/l |
| Nickel | BDL | µg/l |
| Zinc | BDL | µg/l |
| a-BHC | BDL | ppb |
| a-Endosulphan | BDL | ppb |
| Aldrin | BDL | ppb |
| Anilophos | BDL | ppb |
| b-Endosulphan | BDL | ppb |
| Chlorpyriphos | BDL | ppb |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 10.00 | mg/l |
| Turbidity | 0.85 | NTU |
| Dieldrin | BDL | ppb |
| g-BHC | BDL | ppb |
| Malathion | BDL | ppb |
| Methyl Parathion | BDL | ppb |
| o,p-DDT | BDL | ppb |
| p,p-DDT | BDL | ppb |
| Nitrate-N | 0.33 | mg/l |
| pH | 7.63 | Unit |
| Ammonia-N | 0.14 | mg/l |
| BOD | 0.20 | mg/l |
| Conductivity | 893.60 | µs/cm |
| Fecal Coliform | NIL | MPN/100ml |
| Temperature | 31.0 | ⁰C |
| Total Coliform | NIL | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 90.19 | mg/l |
| Chloride | 64.97 | mg/l |
| COD | 4.00 | mg/l |
| Fluoride | 0.66 | mg/l |
| Magnesium | 6.12 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.04 | mg/l |
| Potassium | 2.81 | mg/l |
| Total Hardness as CaCo3 | 250.98 | mg/l |
| Arsenic | BDL | µg/l |