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: 07/10/2020 | Sample Time: 12:40 | |
| Human Activities: Drinking purpose | Weather: Sunny | 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 |
| BOD | 0.50 | mg/l |
| Conductivity | 1931.00 | µs/cm |
| Fecal Coliform | 80 | MPN/100ml |
| Nitrate-N | 0.76 | mg/l |
| pH | 7.08 | Unit |
| Temperature(Water) | 29.0 | ⁰C |
| Total Coliform | 230 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 149.02 | mg/l |
| Chloride | 549.83 | mg/l |
| COD | 8.00 | mg/l |
| Fluoride | 0.20 | mg/l |
| Magnesium | 28.59 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.04 | mg/l |
| Potassium | 4.26 | mg/l |
| Sodium | 26.70 | mg/l |
| Sulphate | 10.89 | mg/l |
| Total Alkalinity | 400.00 | mg/l |
| Total Dissolved Solids(TDS) | 1374.00 | mg/l |
| Total Fixed Solids(TFS) | 938.00 | mg/l |
| Total Hardness as CaCo3 | 490.20 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 30.00 | mg/l |
| Turbidity | 64.50 | NTU |
| Arsenic | BDL | mg/l |
| Cadmium | BDL | mg/l |
| Chromium Total | BDL | mg/l |
| Copper | BDL | mg/l |
| Iron | BDL | mg/l |
| Lead | BDL | mg/l |
| Mercury | BDL | mg/l |
| Nickel | BDL | mg/l |
| Zinc | 0.05 | mg/l |
| a-BHC | BDL | ppb |
| a-Endosulphan | NT | ppb |
| Aldrin | NT | ppb |
| Anilophos | BDL | ppb |
| b-Endosulphan | BDL | ppb |
| Chlorpyriphos | NT | ppb |
| Dieldrin | BDL | ppb |
| g-BHC | BDL | ppb |
| Malathion | BDL | ppb |
| Methyl Parathion | NT | ppb |
| o,p-DDT | BDL | ppb |
| p,p-DDT | BDL | ppb |
| Ammonia-N | 0.25 | mg/l |