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: 06/04/2021 | Sample Time: 11:25 | |
Human Activities: None | Weather: Sunny | Water Body: Rabindra Sarabar |
Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 2.00 m |
Color & Intensity: Clear | Odour: Odour free | Visible effluent discharge: |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
BOD | 3.30 | mg/l |
Conductivity | 299.20 | µs/cm |
Fecal Coliform | 330 | MPN/100ml |
Nitrate-N | 0.19 | mg/l |
pH | 8.51 | Unit |
Total Coliform | 1300 | MPN/100ml |
Boron | BDL | mg/l |
Calcium | 20.80 | mg/l |
COD | 17.00 | mg/l |
Fluoride | 0.34 | mg/l |
Magnesium | 9.72 | mg/l |
Phenolpthalein Alkanity | 12.00 | mg/l |
Phosphate-P | 0.05 | mg/l |
Potassium | 7.51 | mg/l |
Sodium | 27.55 | mg/l |
Sulphate | 26.34 | mg/l |
Total Alkalinity | 80.00 | mg/l |
Total Dissolved Solids(TDS) | 194.00 | mg/l |
Total Fixed Solids(TFS) | 126.00 | mg/l |
Total Hardness as CaCo3 | 90.00 | mg/l |
Total Kjeldahl Nitrogen(TKN) | mg/l | |
Total Suspended Solids(TSS) | 4.00 | mg/l |
Turbidity | 3.25 | NTU |
Arsenic | BDL | mg/l |
Cadmium | BDL | mg/l |
Chromium Total | BDL | mg/l |
Copper | BDL | mg/l |
Iron | 0.14 | mg/l |
Lead | BDL | mg/l |
Mercury | BDL | mg/l |
Nickel | BDL | mg/l |
Zinc | BDL | mg/l |
a-BHC | ppb | |
a-Endosulphan | ppb | |
Aldrin | ppb | |
Anilophos | ppb | |
b-Endosulphan | ppb | |
Chlorpyriphos | ppb | |
Dieldrin | ppb | |
g-BHC | ppb | |
Malathion | ppb | |
Methyl Parathion | ppb | |
o,p-DDT | ppb | |
p,p-DDT | ppb | |
Ammonia-N | 0.19 | mg/l |
Dissolved O2(DO) | 8.50 | mg/l |
Temperature(Water) | 29.0 | ⁰C |
Chloride | 39.94 | mg/l |