West Bengal Pollution Control Board

Siliguri Laboratory

Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428.



Station: MAHANANDA D/S, RAMGHAT River Basin: Mahananda CPCB Station Code: 2525
Sample Date: 14/01/2019 Sample Time: 13:15  
Human Activities: None Weather: Clear Water Body: Ramghat on Mahananda
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: Light Turbid and Brown Odour: Other Visible effluent discharge: High


Water Quality
Parameter Test Result Unit
  Sulphate   21.46   mg/l
  Total Alkalinity   98.00   mg/l
  Total Dissolved Solids(TDS)   240.0   mg/l
  Total Fixed Solids(TFS)   144.00   mg/l
  Total Hardness as CaCo3   80.00   mg/l
  Total Suspended Solids(TSS)   62.00   mg/l
  Turbidity   8.23   NTU
  Ammonia-N   8.80   mg/l
  pH   7.46   Unit
  Temperature   22   ⁰C
  Total Coliform   280000   MPN/100ml
  Boron   0.016   mg/l
  Calcium   16.03   mg/l
  Chloride   44.00   mg/l
  COD   65.00   mg/l
  Conductivity   289.73   µs/cm
  Dissolved O2(DO)   6.80   mg/l
  Fluoride   0.19   mg/l
  Magnesium   5.60   mg/l
  Phenolpthalein Alkanity   Nil   mg/l
  Phosphate-P   0.143   mg/l
  Potassium   4.81   mg/l
  Sodium   17.91   mg/l
  BOD   4.80   mg/l
  Fecal Coliform   90000   MPN/100ml
  Nitrate-N   0.65   mg/l