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: 27/10/2021 | Sample Time: 11:37 | |
Human Activities: None | Weather: Sunny | Water Body: Rabindra Sarabar |
Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.50 m |
Color & Intensity: Clear | Odour: Odour free | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Ammonia-N | 0.19 | mg/l |
BOD | 4.05 | mg/l |
Conductivity | 252.40 | µs/cm |
Dissolved O2(DO) | 7.20 | mg/l |
Fecal Coliform | 700 | MPN/100ml |
Nitrate-N | 0.33 | mg/l |
pH | 7.77 | Unit |
Temperature(Water) | 29.0 | ⁰C |
Total Coliform | 1700 | MPN/100ml |
Boron | BDL | mg/l |
Calcium | 16.80 | mg/l |
Chloride | 30.99 | mg/l |
COD | 20.00 | mg/l |
Fluoride | 0.22 | mg/l |
Magnesium | 6.32 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.16 | mg/l |
Potassium | 5.85 | mg/l |
Sodium | 17.17 | mg/l |
Sulphate | 31.76 | mg/l |
Total Alkalinity | 70.00 | mg/l |
Total Dissolved Solids(TDS) | 202.00 | mg/l |
Total Fixed Solids(TFS) | 126.00 | mg/l |
Total Hardness as CaCo3 | 68.00 | mg/l |
Total Kjeldahl Nitrogen(TKN) | mg/l | |
Total Suspended Solids(TSS) | 80.00 | mg/l |
Turbidity | 4.52 | NTU |