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: 29/05/2020 Sample Time: 15:30 Hrs  
Human Activities: Bathing and Washing. Weather: Sunny Water Body: null
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: Light Green and Moderately Turbid Odour: Fishy Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Ammonia-N      mg/l
  BOD   1.80   mg/l
  Conductivity   120.20   µs/cm
  Dissolved O2(DO)   6.90   mg/l
  Magnesium   8.64   mg/l
  Phosphate-P   0.018   mg/l
  Potassium   1.20   mg/l
  Sodium   2.80   mg/l
  Fecal Coliform   3300   MPN/100ml
  Nitrate-N      mg/l
  pH   7.80   Unit
  Temperature(Water)   28   ⁰C
  Total Coliform   11000   MPN/100ml
  Boron   3.35   mg/l
  Sulphate   15.89   mg/l
  Total Alkalinity   96.00   mg/l
  Total Dissolved Solids(TDS)   82.00   mg/l
  Total Fixed Solids(TFS)      mg/l
  Total Hardness as CaCo3   66.00   mg/l
  Calcium   14.42   mg/l
  Chloride   18.59   mg/l
  COD   24.00   mg/l
  Fluoride      mg/l
  Total Suspended Solids(TSS)   50.00   mg/l
  Turbidity      NTU
  Phenolpthalein Alkanity   NIL   mg/l