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: 15/09/2020 Sample Time: 14:00  
Human Activities: None Weather: Cloudy and Rainy. Water Body: Lake
Frequency Of Monitoring: Monthly Use Based Class: B Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: Light Green Odour: Odour Free Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Phosphate-P   0.026   mg/l
  Potassium   2.50   mg/l
  Sodium   2.80   mg/l
  Sulphate   14.74   mg/l
  Total Alkalinity   22.00   mg/l
  Total Dissolved Solids(TDS)   38.00   mg/l
  Total Fixed Solids(TFS)   52.00   mg/l
  Total Hardness as CaCo3   26.00   mg/l
  Total Suspended Solids(TSS)   21.00   mg/l
  pH   8.42   Unit
  Temperature(Water)   23   ⁰C
  Total Coliform   3500   MPN/100ml
  Boron   0.58   mg/l
  Calcium   3.20   mg/l
  Turbidity   26.40   NTU
  Chloride   1.96   mg/l
  Conductivity   38.20   µs/cm
  Dissolved O2(DO)   6.70   mg/l
  Ammonia-N   0.12   mg/l
  BOD   1.90   mg/l
  Fecal Coliform   1100   MPN/100ml
  Nitrate-N   1.79   mg/l
  Fluoride   0.16   mg/l
  Magnesium   5.20   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  COD   22.00   mg/l