West Bengal Pollution Control Board

Siliguri Laboratory

Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428.



Station: Ground Water at Ananda Mohan Commerce College River Basin: GANGA CPCB Station Code: 4732
Sample Date: 26/10/2021 Sample Time: 14:15  
Human Activities: None Weather: Sunny Water Body: Well
Frequency Of Monitoring: Halfyearly Use Based Class: A Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: Clear Odour: None Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Ammonia-N   BDL   mg/l
  BOD   0.50   mg/l
  Conductivity   194.30   µs/cm
  Fecal Coliform   NIL   MPN/100ml
  Nitrate-N   0.015   mg/l
  pH   7.65   Unit
  Temperature(Water)   26   ⁰C
  Total Coliform   NIL   MPN/100ml
  Boron   0.22   mg/l
  Calcium   58.52   mg/l
  Chloride   42.00   mg/l
  COD   10.00   mg/l
  Fluoride   0.29   mg/l
  Magnesium   8.06   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.015   mg/l
  Potassium   BDL   mg/l
  Sodium   BDL   mg/l
  Sulphate   21.03   mg/l
  Total Alkalinity   140.00   mg/l
  Total Dissolved Solids(TDS)   92.00   mg/l
  Total Fixed Solids(TFS)   228.00   mg/l
  Total Hardness as CaCo3   174.00   mg/l
  Total Suspended Solids(TSS)   12.00   mg/l
  Turbidity   1.40   NTU