West Bengal Pollution Control Board |
Central Laboratory |
Paribesh Bhawan, 10A, Block LA, Sector III, Salt Lake City, Kolkata 700 106. (033) 2335-5953 |
| Station: U/S OF BIDYADHARI RIVER AT HAROA BRIDGE | River Basin: Tidal streams | CPCB Station Code: 2549 |
| Sample Date: 22/04/2022 | Sample Time: 11:50 | |
| Human Activities: Bathing & washing | Weather: Sunny | Water Body: U/S OF BIDYADHARI RIVER AT HAROA BRIDGE |
| Frequency Of Monitoring: Quarterly | Use Based Class: A | Approximate Depth(Bottom/Table): 2.00 m |
| Color & Intensity: Muddy | Odour: Odour free | Visible effluent discharge: None, Water Hyacinth |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 4.96 | mg/l |
| BOD | 11.79 | mg/l |
| Conductivity | 5878.00 | µs/cm |
| Dissolved O2(DO) | 1.20 | mg/l |
| Fecal Coliform | 23000 | MPN/100ml |
| Fecal Streptococci | 330 | MPN/100ml |
| Nitrate-N | 1.53 | mg/l |
| pH | 7.47 | Unit |
| Temperature(Water) | 31.0 | ⁰C |
| Total Coliform | 70000 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 84.00 | mg/l |
| Chloride | 1663.31 | mg/l |
| COD | 45.00 | mg/l |
| Fluoride | 0.31 | mg/l |
| Magnesium | 111.78 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.21 | mg/l |
| Potassium | 44.00 | mg/l |
| Sodium | 820.00 | mg/l |
| Sulphate | 215.64 | mg/l |
| Total Alkalinity | 300.00 | mg/l |
| Total Dissolved Solids(TDS) | 3908.00 | mg/l |
| Total Fixed Solids(TFS) | 3216.00 | mg/l |
| Total Hardness as CaCo3 | 670.00 | mg/l |
| Total Suspended Solids(TSS) | 206.00 | mg/l |
| Turbidity | 111.00 | NTU |
| Arsenic | BDL | mg/l |
| Cadmium | BDL | mg/l |
| Chromium Total | BDL | mg/l |
| Copper | BDL | mg/l |
| Iron | 2.03 | mg/l |
| Lead | BDL | mg/l |
| Mercury | BDL | mg/l |
| Nickel | BDL | mg/l |
| Zinc | BDL | 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 | NT | ppb |
| p,p-DDT | BDL | ppb |