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: 28/08/2020 Sample Time: 16:10  
Human Activities: Bathing and Washing and Fishing. Weather: Sunny and Hot. 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: Moderate


Water Quality
Parameter Test Result Unit
  Fecal Coliform   5000   MPN/100ml
  pH   7.01   Unit
  Temperature(Water)   27   ⁰C
  Total Coliform   11000   MPN/100ml
  Boron   3.43   mg/l
  Calcium   16.032   mg/l
  Chloride   2.35   mg/l
  COD   22.00   mg/l
  Fluoride   0.11   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.053   mg/l
  Potassium   6.60   mg/l
  Sulphate   15.15   mg/l
  Total Alkalinity   68.00   mg/l
  Total Dissolved Solids(TDS)   77.0   mg/l
  Total Fixed Solids(TFS)   82.00   mg/l
  Turbidity   17.90   NTU
  Ammonia-N   0.13   mg/l
  BOD   2.10   mg/l
  Conductivity   109.30   µs/cm
  Dissolved O2(DO)   7.20   mg/l
  Sodium   0.80   mg/l
  Nitrate-N   0.82   mg/l
  Magnesium   6.34   mg/l
  Total Suspended Solids(TSS)   52.00   mg/l
  Total Hardness as CaCo3   62.00   mg/l