West Bengal Pollution Control Board |
Central Laboratory |
Paribesh Bhawan, 10A, Block LA, Sector III, Salt Lake City, Kolkata 700 106. (033) 2335-5953 |
| Station: GANGA AT GARDEN REACH, WEST BENGAL | River Basin: GANGA | CPCB Station Code: 1470 |
| Sample Date: 21/12/2020 | Sample Time: 12:45 | |
| Human Activities: Navigation | Weather: Foggy | Water Body: Ganga |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 2.00 m |
| Color & Intensity: Light green | Odour: Odour free | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.21 | mg/l |
| Sodium | 13.56 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Sulphate | 22.51 | mg/l |
| Total Alkalinity | 148.00 | mg/l |
| Total Dissolved Solids(TDS) | 66.00 | mg/l |
| Total Fixed Solids(TFS) | 224.00 | mg/l |
| Total Hardness as CaCo3 | 147.06 | mg/l |
| Total Suspended Solids(TSS) | 46.00 | mg/l |
| Turbidity | 36.70 | NTU |
| Conductivity | 334.60 | µs/cm |
| Dissolved O2(DO) | 7.30 | mg/l |
| E-coli | 22000 | MPN/100ml |
| BOD | 3.10 | mg/l |
| Chloride | 20.99 | mg/l |
| COD | 10.00 | mg/l |
| Fluoride | 0.22 | mg/l |
| Magnesium | 10.96 | mg/l |
| Nitrite N | 0.22 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.05 | mg/l |
| Potassium | 3.62 | mg/l |
| Fecal Coliform | 33000 | MPN/100ml |
| Fecal Streptococci | 70 | MPN/100ml |
| Nitrate-N | 0.82 | mg/l |
| pH | 7.98 | Unit |
| Temperature(Water) | 21.0 | ⁰C |
| Total Coliform | 70000 | MPN/100ml |
| Calcium | 40.78 | mg/l |
| Boron | BDL | mg/l |