West Bengal Pollution Control Board |
Central Laboratory |
Paribesh Bhawan, 10A, Block LA, Sector III, Salt Lake City, Kolkata 700 106. (033) 2335-5953 |
| Station: DHAPA CALCUTTA, WEST BENGAL | River Basin: GANGA | CPCB Station Code: 1775 |
| Sample Date: 05/04/2019 | Sample Time: 11:50 | |
| Human Activities: Drinking & Domestic, Bathing & washing | Weather: Sunny | Water Body: Ground Water at Dhapa |
| Frequency Of Monitoring: Halfyearly | Use Based Class: A | Approximate Depth(Bottom/Table): 0.00 m |
| Color & Intensity: Clear | Odour: Nil | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Total Alkalinity | 360.0 | mg/l |
| Total Fixed Solids(TFS) | 798.0 | mg/l |
| Sulphate | 14.58 | mg/l |
| Lead | BDL | µg/l |
| BOD | 1.40 | mg/l |
| o,p-DDT | NT | ppb |
| p,p-DDT | BDL | ppb |
| Chlorpyriphos | NT | ppb |
| Dieldrin | BDL | ppb |
| g-BHC | NT | ppb |
| Malathion | BDL | ppb |
| Methyl Parathion | BDL | ppb |
| Fecal Coliform | 2 | MPN/100ml |
| Nitrate-N | 0.05 | mg/l |
| pH | 7.40 | Unit |
| Temperature | 27 | ⁰C |
| Total Coliform | 4 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 157.69 | mg/l |
| Chloride | 399.88 | mg/l |
| COD | 5.71 | mg/l |
| Fluoride | 0.40 | mg/l |
| Magnesium | 63.09 | mg/l |
| Phenolpthalein Alkanity | 0 | mg/l |
| Potassium | 3.08 | mg/l |
| Sodium | 86.35 | mg/l |
| Arsenic | BDL | µg/l |
| Cadmium | BDL | µg/l |
| Chromium Total | BDL | µg/l |
| Copper | BDL | µg/l |
| Mercury | BDL | µg/l |
| Nickel | BDL | µg/l |
| Zinc | BDL | µg/l |
| a-Endosulphan | NT | ppb |
| Aldrin | NT | ppb |
| Anilophos | BDL | ppb |
| b-Endosulphan | BDL | ppb |
| Ammonia-N | 0.34 | mg/l |
| Total Hardness as CaCo3 | 653.85 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Turbidity | 3.62 | NTU |
| Total Dissolved Solids(TDS) | 1430.0 | mg/l |
| Total Suspended Solids(TSS) | 10.0 | mg/l |
| Conductivity | 2060.0 | µs/cm |
| Phosphate-P | BDL | mg/l |
| Iron | BDL | mg/l |
| a-BHC | BDL | ppb |