West Bengal Pollution Control Board

Siliguri Laboratory

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



Station: KALJANI D/S OF ALIPURDWAR, MUNICIPALITY DISCHARGE POINT River Basin: Raidak_Torsa CPCB Station Code: 2524
Sample Date: 22/01/2019 Sample Time: 12:10  
Human Activities: Washing Weather: Clear Water Body: null
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: Moderately Turbid Green Odour: Fishy Visible effluent discharge: Moderate


Water Quality
Parameter Test Result Unit
  Conductivity   128.30   µs/cm
  Dissolved O2(DO)   7.80   mg/l
  Fecal Coliform   6000   MPN/100ml
  Nitrate-N   0.34   mg/l
  pH   7.68   Unit
  Temperature   26   ⁰C
  Total Coliform   28000   MPN/100ml
  Boron   0.014   mg/l
  Calcium   8.02   mg/l
  Chloride   11.74   mg/l
  COD   35.00   mg/l
  Fluoride   0.11   mg/l
  Magnesium   2.24   mg/l
  Phenolpthalein Alkanity   Nil   mg/l
  Phosphate-P   0.071   mg/l
  Potassium   BDL   mg/l
  Sodium   6.17   mg/l
  Sulphate   8.54   mg/l
  Total Alkalinity   72.00   mg/l
  Total Dissolved Solids(TDS)   92.00   mg/l
  Total Fixed Solids(TFS)   94.0   mg/l
  Total Hardness as CaCo3   28.00   mg/l
  Total Suspended Solids(TSS)   42.00   mg/l
  Turbidity   1.85   NTU
  Ammonia-N   0.18   mg/l
  BOD   2.80   mg/l