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: 21/10/2019 Sample Time: 13:20  
Human Activities: Sight seeing Weather: Sunny Water Body: Lake
Frequency Of Monitoring: Monthly Use Based Class: B Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: Clear and dark Green Odour: Fishy Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Fecal Coliform   500   MPN/100ml
  Nitrate-N   0.54   mg/l
  pH   8.10   Unit
  Temperature   28   ⁰C
  Total Coliform   1700   MPN/100ml
  Boron   0.012   mg/l
  Calcium   16.83   mg/l
  Ammonia-N   BDL   mg/l
  BOD   2.40   mg/l
  Conductivity   105.60   µs/cm
  Dissolved O2(DO)   6.80   mg/l
  Chloride   3.91   mg/l
  COD   22.00   mg/l
  Fluoride   BDL   mg/l
  Magnesium   4.61   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.006   mg/l
  Potassium   0.40   mg/l
  Sodium   1.70   mg/l
  Sulphate   2.65   mg/l
  Total Alkalinity   94.00   mg/l
  Total Dissolved Solids(TDS)   24.00   mg/l
  Total Fixed Solids(TFS)   70.00   mg/l
  Total Hardness as CaCo3   58.00   mg/l
  Total Suspended Solids(TSS)   12.00   mg/l
  Turbidity   1.01   NTU