West Bengal Pollution Control Board

Siliguri Laboratory

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



Station: Groundwater(Dugwell) at Harishpal more River Basin: GANGA CPCB Station Code: 4730
Sample Date: 23/10/2019 Sample Time: 14:45  
Human Activities: None Weather: Sunny and Hot 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
  BOD   0.80   mg/l
  Conductivity   882.30   µs/cm
  Fecal Coliform   NIL   MPN/100ml
  Nitrate-N   1.77   mg/l
  pH   7.60   Unit
  Temperature   26   ⁰C
  Total Coliform   NIL   MPN/100ml
  Boron   BDL   mg/l
  Calcium   97.79   mg/l
  Chloride   94.91   mg/l
  COD   0.20   mg/l
  Magnesium   24.77   mg/l
  Fluoride   0.21   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.044   mg/l
  Potassium   10.90   mg/l
  Sodium   BDL   mg/l
  Sulphate   21.03   mg/l
  Total Alkalinity   346.0   mg/l
  Total Dissolved Solids(TDS)   220.00   mg/l
  Total Fixed Solids(TFS)   478.00   mg/l
  Total Hardness as CaCo3   330.0   mg/l
  Total Suspended Solids(TSS)   10.00   mg/l
  Turbidity   0.68   NTU
  Ammonia-N   BDL   mg/l