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: 05/04/2019 | Sample Time: 12:30 | |
| Human Activities: Nil | 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: Blakish | Odour: Nil | Visible effluent discharge: Nil |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Cadmium | BDL | µg/l |
| Ammonia-N | 4.25 | mg/l |
| Calcium | 92.31 | mg/l |
| Chromium Total | BDL | µg/l |
| Dieldrin | NT | ppb |
| Total Fixed Solids(TFS) | 1046.0 | mg/l |
| Copper | BDL | µg/l |
| Chlorpyriphos | NT | ppb |
| Iron | 0.15 | mg/l |
| Mercury | BDL | µg/l |
| Zinc | BDL | µg/l |
| a-BHC | NT | ppb |
| a-Endosulphan | NT | ppb |
| Aldrin | BDL | ppb |
| Anilophos | NT | ppb |
| b-Endosulphan | NT | ppb |
| Malathion | BDL | ppb |
| Methyl Parathion | BDL | ppb |
| o,p-DDT | NT | ppb |
| p,p-DDT | NT | ppb |
| BOD | 23.75 | mg/l |
| Conductivity | 2205.0 | µs/cm |
| Dissolved O2(DO) | NIL | mg/l |
| Fecal Coliform | 240000 | MPN/100ml |
| pH | 7.72 | Unit |
| Temperature | 31 | ⁰C |
| Nickel | BDL | µg/l |
| Arsenic | BDL | µg/l |
| Total Hardness as CaCo3 | 480.77 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 496.0 | mg/l |
| Turbidity | 201.0 | NTU |
| Lead | BDL | µg/l |
| g-BHC | NT | ppb |
| Nitrate-N | 3.15 | mg/l |
| COD | 90.48 | mg/l |
| Total Alkalinity | 288.0 | mg/l |
| Total Coliform | 300000 | MPN/100ml |
| Boron | BDL | mg/l |
| Chloride | 399.88 | mg/l |
| Fluoride | 0.44 | mg/l |
| Magnesium | 60.75 | mg/l |
| Phenolpthalein Alkanity | 0 | mg/l |
| Phosphate-P | 0.13 | mg/l |
| Potassium | 17.80 | mg/l |
| Sodium | 492.41 | mg/l |
| Sulphate | 71.06 | mg/l |
| Total Dissolved Solids(TDS) | 1098.0 | mg/l |