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: 15/04/2020 | Sample Time: 12:40 | |
| Human Activities: none | Weather: Cloudy | Water Body: U/S OF BIDYADHARI RIVER AT HAROA BRIDGE |
| Frequency Of Monitoring: Quarterly | Use Based Class: A | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Mod Brown | Odour: Odour free | Visible effluent discharge: None, Water Hyacinth |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 6.78 | mg/l |
| BOD | 22.75 | mg/l |
| Conductivity | 3717.00 | µs/cm |
| Dissolved O2(DO) | 2.70 | mg/l |
| Fecal Coliform | 8000 | MPN/100ml |
| Nitrate-N | 2.68 | mg/l |
| pH | 7.35 | Unit |
| Temperature(Water) | 33.0 | ⁰C |
| Total Coliform | 30000 | MPN/100ml |
| Calcium | 132.00 | mg/l |
| Chloride | 624.80 | mg/l |
| COD | 71.14 | mg/l |
| Magnesium | 65.61 | mg/l |
| Phosphate-P | 2.42 | mg/l |
| Potassium | 17.34 | mg/l |
| Sodium | 559.01 | mg/l |
| Sulphate | 266.36 | mg/l |
| Total Alkalinity | 304.00 | mg/l |
| Total Dissolved Solids(TDS) | 2946.00 | mg/l |
| Total Hardness as CaCo3 | 600.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Turbidity | 42.00 | NTU |
| Arsenic | BDL | mg/l |
| Cadmium | BDL | mg/l |
| Chromium Total | BDL | mg/l |
| Copper | BDL | mg/l |
| Iron | 1.37 | mg/l |
| Lead | BDL | mg/l |
| Mercury | BDL | mg/l |
| Nickel | BDL | mg/l |
| Zinc | BDL | mg/l |
| a-BHC | BDL | ppb |
| a-Endosulphan | NT | ppb |
| Aldrin | BDL | ppb |
| Anilophos | NT | ppb |
| b-Endosulphan | BDL | ppb |
| Chlorpyriphos | BDL | ppb |
| Dieldrin | BDL | ppb |
| g-BHC | BDL | ppb |
| Malathion | BDL | ppb |
| Methyl Parathion | NT | ppb |
| o,p-DDT | NT | ppb |
| p,p-DDT | BDL | ppb |