West Bengal Pollution Control Board

Siliguri Laboratory

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



Station: Ground Water at Uttar Banga Krishi Vishwavidyalaya River Basin: GANGA CPCB Station Code: 4731
Sample Date: 08/10/2020 Sample Time: 14:10  
Human Activities: None Weather: Sunny, Hot Water Body: Well
Frequency Of Monitoring: Halfyearly Use Based Class: A Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: Light Green and clear Odour: Odour Free Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  BOD   0.80   mg/l
  COD   6.00   mg/l
  Total Suspended Solids(TSS)   10.00   mg/l
  Turbidity   9.82   NTU
  Ammonia-N   BDL   mg/l
  Conductivity   198.60   µs/cm
  Potassium   3.20   mg/l
  Magnesium   19.16   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   BDL   mg/l
  Sodium   2.40   mg/l
  Sulphate   22.11   mg/l
  Total Fixed Solids(TFS)   48.00   mg/l
  Total Hardness as CaCo3   157.00   mg/l
  pH   7.40   Unit
  Temperature(Water)   26   ⁰C
  Total Coliform   NIL   MPN/100ml
  Boron   BDL   mg/l
  Total Alkalinity   250.00   mg/l
  Fecal Coliform   NIL   MPN/100ml
  Nitrate-N   0.92   mg/l
  Calcium   31.37   mg/l
  Chloride   12.00   mg/l
  Fluoride   BDL   mg/l
  Total Dissolved Solids(TDS)   178.00   mg/l