West Bengal Pollution Control Board |
Central Laboratory |
Paribesh Bhawan, 10A, Block LA, Sector III, Salt Lake City, Kolkata 700 106. (033) 2335-5953 |
| Station: RABINDRASAROVAR NATIONAL LAKE, CALCUTTA, WEST BENGAL | River Basin: GANGA | CPCB Station Code: 1765 |
| Sample Date: 11/04/2019 | Sample Time: 11:40 | |
| Human Activities: Nil | Weather: Sunny | Water Body: Rabindra Sarabar |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 0.00 m |
| Color & Intensity: Light green | Odour: Odour free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Anilophos | BDL | ppb |
| b-Endosulphan | BDL | ppb |
| Dieldrin | BDL | ppb |
| g-BHC | NT | ppb |
| Malathion | BDL | ppb |
| o,p-DDT | BDL | ppb |
| p,p-DDT | BDL | ppb |
| Fluoride | 0.34 | mg/l |
| Phenolpthalein Alkanity | 0 | mg/l |
| Phosphate-P | 0.07 | mg/l |
| Potassium | 7.32 | mg/l |
| Sulphate | 18.21 | mg/l |
| Total Alkalinity | 102.00 | mg/l |
| Total Dissolved Solids(TDS) | 248.0 | mg/l |
| Total Hardness as CaCo3 | 80.77 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| a-Endosulphan | NT | ppb |
| BOD | 4.55 | mg/l |
| Ammonia-N | 0.17 | mg/l |
| Conductivity | 378.5 | µs/cm |
| Dissolved O2(DO) | 8.2 | mg/l |
| Total Suspended Solids(TSS) | <4.0 | mg/l |
| Turbidity | 3.81 | NTU |
| Cadmium | BDL | µg/l |
| Chromium Total | BDL | µg/l |
| Iron | BDL | mg/l |
| Lead | BDL | µg/l |
| Mercury | BDL | µg/l |
| Nickel | BDL | µg/l |
| a-BHC | NT | ppb |
| Fecal Coliform | 200 | MPN/100ml |
| Nitrate-N | 0.02 | mg/l |
| Temperature | 31 | ⁰C |
| Boron | BDL | mg/l |
| Calcium | 15.77 | mg/l |
| Chlorpyriphos | NT | ppb |
| Total Fixed Solids(TFS) | 166.0 | mg/l |
| Copper | BDL | µg/l |
| pH | 7.10 | Unit |
| Magnesium | 10.05 | mg/l |
| Chloride | 33.99 | mg/l |
| COD | 24.04 | mg/l |
| Zinc | BDL | µg/l |
| Aldrin | BDL | ppb |
| Sodium | 56.26 | mg/l |
| Total Coliform | 700 | MPN/100ml |
| Methyl Parathion | NT | ppb |
| Arsenic | BDL | µg/l |