West Bengal Pollution Control Board |
Central Laboratory |
Paribesh Bhawan, 10A, Block LA, Sector III, Salt Lake City, Kolkata 700 106. (033) 2335-5953 |
Station: RABINDRASAROVAR NATIONAL LAKE, CALCUTTA, WEST BENGAL | River Basin: GANGA | CPCB Station Code: 1765 |
Sample Date: 09/07/2020 | Sample Time: 11:40 | |
Human Activities: Nil | Weather: Sunny clear | Water Body: Rabindra Sarabar |
Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.50 m |
Color & Intensity: Light green | Odour: Odour free | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
COD | 18.00 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.10 | mg/l |
Total Alkalinity | 96.00 | mg/l |
Nitrate-N | 1.21 | mg/l |
Sodium | 28.44 | mg/l |
Dissolved O2(DO) | 10.00 | mg/l |
Fecal Coliform | 800 | MPN/100ml |
pH | 7.95 | Unit |
Total Coliform | 1400 | MPN/100ml |
Boron | BDL | mg/l |
Calcium | 19.23 | mg/l |
Total Fixed Solids(TFS) | 92.00 | mg/l |
Potassium | 4.02 | mg/l |
Total Kjeldahl Nitrogen(TKN) | mg/l | |
Turbidity | 7.24 | NTU |
Ammonia-N | 0.23 | mg/l |
BOD | 5.50 | mg/l |
Conductivity | 313.00 | µs/cm |
Fluoride | 0.29 | mg/l |
Magnesium | 7.01 | mg/l |
Chloride | 41.98 | mg/l |
Temperature(Water) | 32.0 | ⁰C |
Total Hardness as CaCo3 | 76.92 | mg/l |
Total Dissolved Solids(TDS) | 176.00 | mg/l |
Sulphate | 23.15 | mg/l |
Total Suspended Solids(TSS) | 12.00 | mg/l |