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: 09/10/2020 Sample Time: 14:30  
Human Activities: None Weather: Sunny, Hot and humid 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
  Fecal Coliform   700   MPN/100ml
  Nitrate-N   0.59   mg/l
  Temperature(Water)   28   ⁰C
  Boron   0.48   mg/l
  Calcium   13.63   mg/l
  Chloride   16.63   mg/l
  COD   24.00   mg/l
  Fluoride   0.19   mg/l
  Magnesium   1.79   mg/l
  Phosphate-P   0.022   mg/l
  Potassium   1.60   mg/l
  Sodium   2.80   mg/l
  Sulphate   13.68   mg/l
  Total Alkalinity   26.00   mg/l
  Total Dissolved Solids(TDS)   14.00   mg/l
  Total Fixed Solids(TFS)   24.00   mg/l
  Total Hardness as CaCo3   68.00   mg/l
  Total Suspended Solids(TSS)   10.00   mg/l
  Turbidity   15.00   NTU
  BOD   2.10   mg/l
  Ammonia-N   BDL   mg/l
  Conductivity   101.42   µs/cm
  Dissolved O2(DO)   6.80   mg/l
  Total Coliform   1700   MPN/100ml
  Phenolpthalein Alkanity   NIL   mg/l
  pH   7.20   Unit