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: 25/11/2021 Sample Time: 12:55  
Human Activities: Bathing and 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: Light Green and moderately turbid Odour: Fishy. Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Ammonia-N   0.14   mg/l
  BOD   1.50   mg/l
  Conductivity   96.54   µs/cm
  Dissolved O2(DO)   7.70   mg/l
  Fecal Coliform   3400   MPN/100ml
  Fecal Streptococci   240   MPN/100ml
  Nitrate-N   0.10   mg/l
  pH   7.81   Unit
  Temperature(Water)   22   ⁰C
  Total Coliform   24000   MPN/100ml
  Boron   3.10   mg/l
  Calcium   20.84   mg/l
  COD   18.0   mg/l
  Fluoride   BDL   mg/l
  Magnesium   9.21   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.036   mg/l
  Potassium   8.00   mg/l
  Sodium   1.70   mg/l
  Sulphate   8.71   mg/l
  Total Alkalinity   82.00   mg/l
  Total Dissolved Solids(TDS)   36.00   mg/l
  Total Fixed Solids(TFS)   140.00   mg/l
  Total Hardness as CaCo3   84.00   mg/l
  Turbidity   13.90   NTU
  Chloride   9.78   mg/l
  Total Suspended Solids(TSS)   10.00   mg/l