West Bengal Pollution Control Board

Siliguri Laboratory

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



Station: Ground Water Mirik dugwell River Basin: GANGA CPCB Station Code: 4726
Sample Date: 08/10/2020 Sample Time: 17:10  
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
  Phosphate-P   0.001   mg/l
  pH   7.10   Unit
  Temperature(Water)   14   ⁰C
  Total Coliform   NIL   MPN/100ml
  Boron   BDL   mg/l
  Chloride   10.88   mg/l
  COD   8.00   mg/l
  Fluoride   0.20   mg/l
  Magnesium   6.34   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Potassium   2.80   mg/l
  Sodium   5.80   mg/l
  Sulphate   9.89   mg/l
  Total Alkalinity   62.00   mg/l
  Total Fixed Solids(TFS)   44.00   mg/l
  Total Hardness as CaCo3   58.00   mg/l
  Total Suspended Solids(TSS)   6.00   mg/l
  Turbidity   75.30   NTU
  Ammonia-N   0.21   mg/l
  BOD   0.80   mg/l
  Conductivity   148.10   µs/cm
  Nitrate-N   2.10   mg/l
  Calcium   14.43   mg/l
  Total Dissolved Solids(TDS)   110.00   mg/l
  Fecal Coliform   NIL   MPN/100ml