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: 27/07/2022 | Sample Time: 15:00 | |
| 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, Floating Algae |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| BOD | 13.75 | mg/l |
| Conductivity | 1561.00 | µs/cm |
| Dissolved O2(DO) | NIL | mg/l |
| Fecal Coliform | 33000 | MPN/100ml |
| Nitrate-N | 0.26 | mg/l |
| pH | 7.27 | Unit |
| Temperature(Water) | 30.0 | ⁰C |
| Total Coliform | 110000 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 72.00 | mg/l |
| Chloride | 382.86 | mg/l |
| COD | 42.00 | mg/l |
| Fluoride | 0.34 | mg/l |
| Magnesium | 34.00 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.08 | mg/l |
| Potassium | 15.60 | mg/l |
| Sodium | 250.00 | mg/l |
| Sulphate | 51.85 | mg/l |
| Total Alkalinity | 330.00 | mg/l |
| Total Dissolved Solids(TDS) | 792.00 | mg/l |
| Total Fixed Solids(TFS) | 820.00 | mg/l |
| Total Hardness as CaCo3 | 320.00 | mg/l |
| Total Suspended Solids(TSS) | 118.00 | mg/l |
| Turbidity | 67.50 | NTU |
| Ammonia-N | 8.90 | mg/l |
| Fecal Streptococci | 460 | MPN/100ml |