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: 26/03/2021 Sample Time: 14:20 Hrs  
Human Activities: Fishing,Bathing,Washing. Weather: Sunny Water Body: null
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: ModeratelGreen and Moderately Turbid. Odour: Fishy Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Ammonia-N   0.24   mg/l
  BOD   1.40   mg/l
  Conductivity   74.91   µs/cm
  Dissolved O2(DO)   7.50   mg/l
  Fecal Coliform   2200   MPN/100ml
  Fecal Streptococci   22   MPN/100ml
  Nitrate-N   0.04   mg/l
  pH   7.10   Unit
  Temperature(Water)   28   ⁰C
  Total Coliform   11000   MPN/100ml
  Boron   0.82   mg/l
  Calcium   24.04   mg/l
  Chloride   13.69   mg/l
  COD   40.00   mg/l
  Fluoride   BDL   mg/l
  Magnesium   0.96   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.008   mg/l
  Potassium   5.80   mg/l
  Sodium   1.50   mg/l
  Sulphate   9.76   mg/l
  Total Alkalinity   66.0   mg/l
  Total Dissolved Solids(TDS)   46.00   mg/l
  Total Fixed Solids(TFS)   486.00   mg/l
  Total Hardness as CaCo3   64.00   mg/l
  Total Suspended Solids(TSS)   42.00   mg/l
  Turbidity   295.00   NTU