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: 26/02/2020 Sample Time: 15:10 hrs  
Human Activities: Washing. Weather: Sunny and Clear Water Body: Lake
Frequency Of Monitoring: Monthly Use Based Class: B Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: Moderately Orange and Clear Odour: Fishy Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Nitrate-N   0.62   mg/l
  pH   7.26   Unit
  Temperature   21   ⁰C
  Ammonia-N   0.18   mg/l
  Total Coliform   2200   MPN/100ml
  Boron   4.60   mg/l
  BOD   2.10   mg/l
  Calcium   20.04   mg/l
  Chloride   8.80   mg/l
  COD   18.0   mg/l
  Fluoride   0.14   mg/l
  Magnesium   2.88   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Sodium   2.60   mg/l
  Phosphate-P   0.003   mg/l
  Potassium   1.30   mg/l
  Conductivity   109.10   µs/cm
  Dissolved O2(DO)   8.10   mg/l
  Fecal Coliform   90   MPN/100ml
  Total Alkalinity   54.0   mg/l
  Sulphate   2.21   mg/l
  Total Dissolved Solids(TDS)   678.0   mg/l
  Total Fixed Solids(TFS)   144.00   mg/l
  Turbidity   4.24   NTU
  Total Suspended Solids(TSS)   11.0   mg/l
  Total Hardness as CaCo3   60.0   mg/l