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: 10/05/2019 | Sample Time: 12:35 | |
| Human Activities: Bathing & Washing | Weather: Sunny clear | 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 Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Fecal Coliform | 22000 | MPN/100ml |
| Nitrate-N | 0.78 | mg/l |
| Ammonia-N | 5.40 | mg/l |
| BOD | 21.50 | mg/l |
| pH | 7.17 | Unit |
| Temperature | 32 | ⁰C |
| Total Coliform | 50000 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 52.83 | mg/l |
| Chloride | 499.85 | mg/l |
| COD | 57.69 | mg/l |
| Fluoride | 0.40 | mg/l |
| Magnesium | 64.19 | mg/l |
| Phenolpthalein Alkanity | 0 | mg/l |
| Phosphate-P | 0.05 | mg/l |
| Potassium | 21.64 | mg/l |
| Sodium | 199.87 | mg/l |
| Sulphate | 86.21 | mg/l |
| Total Alkalinity | 244.0 | mg/l |
| Total Dissolved Solids(TDS) | 1430.0 | mg/l |
| Total Fixed Solids(TFS) | 1344.0 | mg/l |
| Total Hardness as CaCo3 | 396.22 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Conductivity | 2106.0 | µs/cm |
| Dissolved O2(DO) | 1.4 | mg/l |
| Total Suspended Solids(TSS) | 16.0 | mg/l |
| Turbidity | 83.6 | NTU |