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: 26/07/2019 Sample Time: 15:35  
Human Activities: Bathing, Washing and Fishing. Weather: Sunny and Clear Water Body: null
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity:  Moderately Brown Odour: Fishy Visible effluent discharge: Moderate


Water Quality
Parameter Test Result Unit
  Conductivity   125.70   µs/cm
  Dissolved O2(DO)   7.20   mg/l
  Fecal Coliform   5000   MPN/100ml
  Nitrate-N   0.62   mg/l
  pH   7.21   Unit
  Temperature   28   ⁰C
  Total Coliform   14000   MPN/100ml
  Boron   0.013   mg/l
  Calcium   16.80   mg/l
  Chloride   8.81   mg/l
  COD   36.63   mg/l
  Fluoride   0.15   mg/l
  Magnesium   9.68   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.026   mg/l
  Potassium   BDL   mg/l
  Sodium   2.30   mg/l
  Sulphate   10.65   mg/l
  Total Alkalinity   78.00   mg/l
  Total Dissolved Solids(TDS)   180.00   mg/l
  Total Fixed Solids(TFS)   778.00   mg/l
  Total Hardness as CaCo3   75.68   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   84.00   mg/l
  Turbidity   697.00   NTU
  Ammonia-N   BDL   mg/l
  BOD   1.80   mg/l