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: 15/01/2021 Sample Time: 15:30  
Human Activities: Bathing and 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 green and clear Odour: Fishy Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Ammonia-N   0.31   mg/l
  BOD   1.80   mg/l
  Conductivity   132.20   µs/cm
  Dissolved O2(DO)   7.50   mg/l
  Fecal Coliform   2700   MPN/100ml
  Fecal Streptococci   350   MPN/100ml
  Nitrate-N   0.011   mg/l
  pH   7.23   Unit
  Temperature(Water)   23   ⁰C
  Total Coliform   11000   MPN/100ml
  Boron   1.02   mg/l
  Calcium   7.21   mg/l
  Chloride   2.93   mg/l
  COD   30.0   mg/l
  Fluoride   0.12   mg/l
  Magnesium   5.76   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.074   mg/l
  Potassium   0.90   mg/l
  Sodium   2.40   mg/l
  Sulphate   4.93   mg/l
  Total Alkalinity   20.0   mg/l
  Total Dissolved Solids(TDS)   82.00   mg/l
  Total Fixed Solids(TFS)   96.00   mg/l
  Total Hardness as CaCo3   38.00   mg/l
  Total Suspended Solids(TSS)   92.00   mg/l
  Turbidity   19.30   NTU