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: 09/11/2020 | Sample Time: 13:30 | |
| 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: Moderate, Water Hyacinth |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Fecal Streptococci | 70 | MPN/100ml |
| Nitrate-N | 4.93 | mg/l |
| pH | 7.76 | Unit |
| Total Coliform | 110000 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 47.06 | mg/l |
| Chloride | 144.95 | mg/l |
| Total Dissolved Solids(TDS) | 756.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Phosphate-P | 0.08 | mg/l |
| Conductivity | 1098.00 | µs/cm |
| Dissolved O2(DO) | 1.70 | mg/l |
| Temperature(Water) | 28.0 | ⁰C |
| Fluoride | 0.39 | mg/l |
| Magnesium | 19.06 | mg/l |
| Fecal Coliform | 33000 | MPN/100ml |
| Total Fixed Solids(TFS) | 702.00 | mg/l |
| COD | 54.00 | mg/l |
| Potassium | 28.79 | mg/l |
| Sodium | 318.20 | mg/l |
| Sulphate | 41.14 | mg/l |
| Total Alkalinity | 360.00 | mg/l |
| Total Hardness as CaCo3 | 196.08 | mg/l |
| Total Suspended Solids(TSS) | 64.00 | mg/l |
| Turbidity | 24.40 | NTU |
| Ammonia-N | 2.50 | mg/l |
| BOD | 19.58 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |