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: 28/10/2021 Sample Time: 12:20 Hrs  
Human Activities: Drinking and Domestic Weather: Sunny and Clear 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   0.26   mg/l
  BOD   0.60   mg/l
  Conductivity   259.30   µs/cm
  Fecal Coliform   NIL   MPN/100ml
  Nitrate-N   0.001   mg/l
  pH   7.60   Unit
  Temperature(Water)   26   ⁰C
  Total Coliform   NIL   MPN/100ml
  Boron   0.09   mg/l
  Calcium   66.53   mg/l
  Chloride   34.24   mg/l
  COD   6.00   mg/l
  Fluoride   BDL   mg/l
  Magnesium   9.79   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   BDL   mg/l
  Potassium   1.10   mg/l
  Sodium   1.80   mg/l
  Sulphate   18.21   mg/l
  Total Alkalinity   264.00   mg/l
  Total Dissolved Solids(TDS)   98.00   mg/l
  Total Fixed Solids(TFS)   278.00   mg/l
  Total Hardness as CaCo3   200.00   mg/l
  Total Suspended Solids(TSS)   8.00   mg/l
  Turbidity   2.35   NTU