West Bengal Pollution Control Board

Siliguri Laboratory

Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428.



Station: Lake Rasikbheel at Coochbehar River Basin: GANGA CPCB Station Code: 4720
Sample Date: 28/08/2020 Sample Time: 14:30  
Human Activities: None Weather: Sunny and Hot. Water Body: Lake
Frequency Of Monitoring: Monthly Use Based Class: B Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: Dark Green and Clear Odour: Fishy Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Conductivity   32.15   µs/cm
  Phosphate-P   0.011   mg/l
  Fluoride   0.15   mg/l
  Dissolved O2(DO)   7.40   mg/l
  Fecal Coliform   1300   MPN/100ml
  Nitrate-N   2.76   mg/l
  pH   7.23   Unit
  Temperature(Water)   27   ⁰C
  Total Coliform   3400   MPN/100ml
  Boron   3.14   mg/l
  Calcium   20.04   mg/l
  Chloride   5.87   mg/l
  COD   19.00   mg/l
  Magnesium   2.88   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Potassium   0.90   mg/l
  Sodium   2.60   mg/l
  Sulphate   4.63   mg/l
  Total Alkalinity   56.00   mg/l
  Total Dissolved Solids(TDS)   50.0   mg/l
  Total Fixed Solids(TFS)   64.00   mg/l
  Total Hardness as CaCo3   60.00   mg/l
  Turbidity   29.10   NTU
  Ammonia-N   BDL   mg/l
  Total Suspended Solids(TSS)   34.00   mg/l
  BOD   2.10   mg/l