West Bengal Pollution Control Board |
Central Laboratory |
Paribesh Bhawan, 10A, Block LA, Sector III, Salt Lake City, Kolkata 700 106. (033) 2335-5953 |
| Station: TANGRA, CALCUTTA ,WEST BENGAL | River Basin: GANGA | CPCB Station Code: 1773 |
| Sample Date: 27/10/2021 | Sample Time: 11:25 | |
| Human Activities: Drinking & Domestic | Weather: Sunny clear | Water Body: Ground Water at Tangra |
| 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 | 1435.00 | µs/cm |
| Fecal Coliform | 6.8 | MPN/100ml |
| Nitrate-N | 0.29 | mg/l |
| pH | 7.35 | Unit |
| Temperature(Water) | 28.0 | ⁰C |
| Total Coliform | 23 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 168.00 | mg/l |
| Chloride | 384.88 | mg/l |
| COD | 6.00 | mg/l |
| Fluoride | 0.31 | mg/l |
| Magnesium | 68.00 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.04 | mg/l |
| Potassium | 3.95 | mg/l |
| Sodium | 60.87 | mg/l |
| Sulphate | 21.40 | mg/l |
| Total Alkalinity | 320.00 | mg/l |
| Total Dissolved Solids(TDS) | 1358.00 | mg/l |
| Total Fixed Solids(TFS) | 786.00 | mg/l |
| Total Hardness as CaCo3 | 700.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 38.00 | mg/l |
| Turbidity | 21.80 | NTU |
| Arsenic | BDL | mg/l |
| Cadmium | BDL | mg/l |
| Chromium Total | BDL | mg/l |
| Copper | BDL | mg/l |
| Iron | 1.52 | mg/l |
| Lead | BDL | mg/l |
| Mercury | BDL | mg/l |
| Nickel | BDL | mg/l |
| Zinc | 4.42 | 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 |