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: 20/03/2020 Sample Time: 13:45 Hrs  
Human Activities: None Weather: Sunny Water Body: Lake
Frequency Of Monitoring: Monthly Use Based Class: B Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: Dark Green and Turbid Odour: None Visible effluent discharge: None.


Water Quality
Parameter Test Result Unit
  BOD   2.00   mg/l
  Temperature   26   ⁰C
  Conductivity   96.42   µs/cm
  Dissolved O2(DO)   8.00   mg/l
  Fecal Coliform      MPN/100ml
  Nitrate-N      mg/l
  pH   7.10   Unit
  Total Coliform      MPN/100ml
  Boron   4.80   mg/l
  Calcium   12.02   mg/l
  Chloride   5.87   mg/l
  COD   10.00   mg/l
  Fluoride      mg/l
  Magnesium   6.91   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.002   mg/l
  Potassium   BDL   mg/l
  Sodium   2.10   mg/l
  Sulphate   1.75   mg/l
  Total Alkalinity   56.00   mg/l
  Total Dissolved Solids(TDS)   480.00   mg/l
  Total Fixed Solids(TFS)      mg/l
  Total Hardness as CaCo3   54.00   mg/l
  Total Suspended Solids(TSS)   18.00   mg/l
  Turbidity      NTU
  Ammonia-N      mg/l