West Bengal Pollution Control Board

Siliguri Laboratory

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



Station: Groundwater at Sukna forest range River Basin: GANGA CPCB Station Code: 4733
Sample Date: 13/10/2019 Sample Time: 16:50  
Human Activities: None 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: Odour free Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Ammonia-N   0.32   mg/l
  BOD   0.50   mg/l
  pH   7.40   Unit
  Temperature   26   ⁰C
  Total Coliform   NIL   MPN/100ml
  Boron   BDL   mg/l
  Calcium   16.03   mg/l
  Chloride   10.88   mg/l
  Total Alkalinity   46.0   mg/l
  Total Dissolved Solids(TDS)   110.0   mg/l
  Total Hardness as CaCo3   62.00   mg/l
  Total Fixed Solids(TFS)   244.00   mg/l
  Total Suspended Solids(TSS)   6.0   mg/l
  Turbidity   2.91   NTU
  Conductivity   364.50   µs/cm
  Fecal Coliform   NIL   MPN/100ml
  Nitrate-N   1.71   mg/l
  Magnesium   5.28   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.019   mg/l
  Potassium   4.30   mg/l
  Fluoride   0.16   mg/l
  Sodium   BDL   mg/l
  COD   8.00   mg/l
  Sulphate   13.29   mg/l