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: 06/12/2019 | Sample Time: 12:40 | |
| Human Activities: none | Weather: Sunny | Water Body: U/S OF BIDYADHARI RIVER AT HAROA BRIDGE |
| Frequency Of Monitoring: Quarterly | Use Based Class: A | Approximate Depth(Bottom/Table): 1.50 m |
| Color & Intensity: Blackish | Odour: Septic | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Boron | BDL | mg/l |
| Dissolved O2(DO) | 1.50 | mg/l |
| Turbidity | 37.10 | NTU |
| Ammonia-N | 5.69 | mg/l |
| Total Dissolved Solids(TDS) | 518.00 | mg/l |
| Sulphate | 48.26 | mg/l |
| Total Alkalinity | 280 | mg/l |
| Calcium | 40.80 | mg/l |
| Chloride | 204.93 | mg/l |
| Fluoride | 0.43 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Total Coliform | 90000 | MPN/100ml |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Temperature | 25.0 | ⁰C |
| COD | 19.58 | mg/l |
| Total Fixed Solids(TFS) | 638.00 | mg/l |
| Total Suspended Solids(TSS) | 50.00 | mg/l |
| Fecal Coliform | 50000 | MPN/100ml |
| Magnesium | 26.93 | mg/l |
| Total Hardness as CaCo3 | 214.20 | mg/l |
| Nitrate-N | 1.23 | mg/l |
| pH | 7.37 | Unit |
| Sodium | 233.29 | mg/l |
| Phosphate-P | 0.21 | mg/l |
| Potassium | 11.68 | mg/l |
| BOD | 8.08 | mg/l |
| Conductivity | 1425.00 | µs/cm |