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: 14/06/2019 Sample Time: 15:00  
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: Muddy and Light Brown Odour: Fishy Visible effluent discharge: Moderate


Water Quality
Parameter Test Result Unit
  Chloride   14.68   mg/l
  COD   39.45   mg/l
  Phosphate-P   0.014   mg/l
  Potassium   1.50   mg/l
  Sulphate   5.52   mg/l
  Total Alkalinity   84.00   mg/l
  Total Dissolved Solids(TDS)   121.00   mg/l
  Total Fixed Solids(TFS)   381.00   mg/l
  Total Hardness as CaCo3   64.00   mg/l
  Total Suspended Solids(TSS)   90.00   mg/l
  Fluoride   0.13   mg/l
  Magnesium   6.91   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  BOD   1.80   mg/l
  Conductivity   98.50   µs/cm
  Boron   0.018   mg/l
  Calcium   16.03   mg/l
  Total Coliform   9000   MPN/100ml
  Dissolved O2(DO)   7.40   mg/l
  Ammonia-N   BDL   mg/l
  Sodium   3.30   mg/l
  Temperature   30   ⁰C
  Turbidity   31.80   NTU
  Fecal Coliform   2200   MPN/100ml
  Nitrate-N   0.32   mg/l
  pH   7.44   Unit