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: 24/11/2020 Sample Time: 15:50  
Human Activities: Bathing and Washing and Fishing. Weather: Sunny and Hot. Water Body: null
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: Light Green Odour: Fishy Visible effluent discharge: Moderate


Water Quality
Parameter Test Result Unit
  Ammonia-N   0.14   mg/l
  BOD   2.40   mg/l
  Conductivity   74.91   µs/cm
  Dissolved O2(DO)   6.40   mg/l
  Fecal Coliform   5000   MPN/100ml
  Fecal Streptococci   17   MPN/100ml
  Nitrate-N   0.152   mg/l
  pH   7.37   Unit
  Temperature(Water)   24   ⁰C
  Total Coliform   11000   MPN/100ml
  Boron   1.69   mg/l
  Calcium   14.43   mg/l
  Chloride   2.94   mg/l
  COD   32.00   mg/l
  Fluoride   0.11   mg/l
  Magnesium   10.94   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.024   mg/l
  Potassium   0.90   mg/l
  Sodium   2.20   mg/l
  Sulphate   5.57   mg/l
  Total Alkalinity   70.00   mg/l
  Total Dissolved Solids(TDS)   112.00   mg/l
  Total Fixed Solids(TFS)   72.00   mg/l
  Total Hardness as CaCo3   70.00   mg/l
  Total Suspended Solids(TSS)   88.00   mg/l
  Turbidity   16.60   NTU