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: 13/09/2019 Sample Time: 16:30 Hrs  
Human Activities: Bathing ,Washing. 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   116.00   µs/cm
  Dissolved O2(DO)   6.80   mg/l
  Fecal Coliform   2600   MPN/100ml
  Nitrate-N   0.87   mg/l
  pH   7.80   Unit
  Temperature   25   ⁰C
  Total Coliform   11000   MPN/100ml
  Boron   0.014   mg/l
  Calcium   20.04   mg/l
  Chloride   14.67   mg/l
  COD   38.37   mg/l
  Fluoride   0.14   mg/l
  Magnesium   5.18   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.021   mg/l
  Potassium   2.10   mg/l
  Sodium   3.60   mg/l
  Sulphate   29.65   mg/l
  Total Alkalinity   72.00   mg/l
  Total Dissolved Solids(TDS)   58.00   mg/l
  Total Fixed Solids(TFS)   168.00   mg/l
  Total Hardness as CaCo3   68.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   78.00   mg/l
  Turbidity   114.00   NTU
  BOD   1.40   mg/l
  Ammonia-N   BDL   mg/l