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: 05/04/2019 | Sample Time: 14:00 | |
| Human Activities: Drinking & Domestic | 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: Nil | Visible effluent discharge: Nil |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Boron | BDL | mg/l |
| Chloride | 69.98 | mg/l |
| COD | 1.9 | mg/l |
| Fluoride | 0.84 | mg/l |
| Magnesium | 28.97 | mg/l |
| Nitrite N | 0.07 | mg/l |
| Phenolpthalein Alkanity | 0 | mg/l |
| Phosphate-P | BDL | mg/l |
| Potassium | 2.98 | mg/l |
| Sodium | 109.42 | mg/l |
| Sulphate | 4.45 | mg/l |
| Total Alkalinity | 450.0 | mg/l |
| Total Fixed Solids(TFS) | 548.0 | mg/l |
| Total Dissolved Solids(TDS) | 634.0 | mg/l |
| pH | 7.90 | Unit |
| Turbidity | 9.18 | NTU |
| Nickel | BDL | µg/l |
| Total Hardness as CaCo3 | 261.54 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Arsenic | BDL | µg/l |
| Cadmium | BDL | µg/l |
| Total Suspended Solids(TSS) | 42.0 | mg/l |
| Nitrate-N | 0.07 | mg/l |
| BOD | 0.4 | mg/l |
| Temperature | 28 | ⁰C |
| Total Coliform | NIL | MPN/100ml |
| Conductivity | 957.0 | µs/cm |
| Fecal Coliform | NIL | MPN/100ml |
| Aldrin | NT | ppb |
| Chromium Total | BDL | µg/l |
| Copper | BDL | µg/l |
| Iron | 0.54 | mg/l |
| Lead | BDL | µg/l |
| Mercury | BDL | µg/l |
| Zinc | BDL | µg/l |
| a-BHC | BDL | ppb |
| a-Endosulphan | NT | ppb |
| Anilophos | BDL | ppb |
| Chlorpyriphos | NT | 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 | 0.15 | mg/l |
| b-Endosulphan | BDL | ppb |
| Calcium | 56.92 | mg/l |