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: 26/02/2020 Sample Time: 16:30 Hrs  
Human Activities: Fishing. Weather: Cloudy Water Body: null
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: Dark Green and Clear Odour: None Visible effluent discharge: Moderate


Water Quality
Parameter Test Result Unit
  Total Fixed Solids(TFS)   180.00   mg/l
  Total Hardness as CaCo3   78.00   mg/l
  Temperature   21   ⁰C
  Total Coliform   17000   MPN/100ml
  Boron   9.43   mg/l
  Calcium   25.65   mg/l
  Chloride   6.84   mg/l
  COD   8.00   mg/l
  Fluoride   0.11   mg/l
  Magnesium   4.03   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.001   mg/l
  Ammonia-N   0.12   mg/l
  BOD   2.20   mg/l
  Conductivity   132.20   µs/cm
  Dissolved O2(DO)   7.60   mg/l
  Fecal Coliform   3400   MPN/100ml
  Nitrate-N   1.64   mg/l
  pH   7.99   Unit
  Potassium   0.90   mg/l
  Sodium   2.90   mg/l
  Sulphate   5.35   mg/l
  Total Alkalinity   76.00   mg/l
  Total Dissolved Solids(TDS)   302.00   mg/l
  Total Suspended Solids(TSS)   13.00   mg/l
  Turbidity   13.00   NTU