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: 20/03/2020 Sample Time: 15:15 Hrs  
Human Activities: Washing,Fishing and Bathing Weather: Cloudy Water Body: null
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: Moderately Green and slightly turbid Odour: None Visible effluent discharge: None.


Water Quality
Parameter Test Result Unit
  Ammonia-N      mg/l
  BOD   2.40   mg/l
  Conductivity   136.20   µs/cm
  Total Dissolved Solids(TDS)   280.00   mg/l
  Sulphate   6.76   mg/l
  Total Alkalinity   56.00   mg/l
  Total Fixed Solids(TFS)      mg/l
  Total Hardness as CaCo3   62.00   mg/l
  Total Suspended Solids(TSS)   110.00   mg/l
  Turbidity      NTU
  Dissolved O2(DO)   7.80   mg/l
  COD   28.00   mg/l
  Temperature   26   ⁰C
  Fecal Coliform      MPN/100ml
  Nitrate-N      mg/l
  pH   7.40   Unit
  Total Coliform      MPN/100ml
  Boron   9.02   mg/l
  Calcium   25.65   mg/l
  Chloride   10.76   mg/l
  Fluoride      mg/l
  Magnesium   4.61   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.004   mg/l
  Potassium   0.80   mg/l
  Sodium   2.30   mg/l