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: 23/07/2020 Sample Time: 13:55  
Human Activities: Washing ,bathing &Fishing. Weather: Cloudy Water Body: null
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: Light brown and Muddy. Odour: Fishy Visible effluent discharge: Moderate


Water Quality
Parameter Test Result Unit
  Temperature(Water)   28   ⁰C
  Chloride   8.81   mg/l
  Total Coliform   14000   MPN/100ml
  Boron   2.13   mg/l
  Ammonia-N   BDL   mg/l
  Calcium   16.03   mg/l
  COD   22.00   mg/l
  Fluoride   0.15   mg/l
  Magnesium   6.52   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Conductivity   118.10   µs/cm
  Dissolved O2(DO)   7.10   mg/l
  Fecal Coliform   8000   MPN/100ml
  Nitrate-N   1.18   mg/l
  Phosphate-P   0.079   mg/l
  Potassium   1.00   mg/l
  Sodium   2.20   mg/l
  Total Alkalinity   76.00   mg/l
  Total Dissolved Solids(TDS)   86.00   mg/l
  Total Fixed Solids(TFS)   150.00   mg/l
  Total Hardness as CaCo3   68.00   mg/l
  Total Suspended Solids(TSS)   76.00   mg/l
  pH   7.40   Unit
  Sulphate   12.92   mg/l
  Turbidity   1.80   NTU
  BOD   1.60   mg/l