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: 17/08/2020 Sample Time: 13:30 Hrs  
Human Activities: Fishing Weather: Cloudy Water Body: Ramghat on Mahananda
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 0.00 m 
Color & Intensity: Dark green and Highly Turbid Odour: septic Visible effluent discharge: High


Water Quality
Parameter Test Result Unit
  BOD   14.00   mg/l
  Conductivity   167.53   µs/cm
  Nitrate-N   1.59   mg/l
  Total Coliform   220000   MPN/100ml
  Boron   8.90   mg/l
  Calcium   3.21   mg/l
  COD   64.00   mg/l
  Fluoride   0.27   mg/l
  Magnesium   6.34   mg/l
  Phosphate-P   0.045   mg/l
  Potassium   5.80   mg/l
  Sodium   1.50   mg/l
  Sulphate   32.42   mg/l
  Total Dissolved Solids(TDS)   120.0   mg/l
  Total Fixed Solids(TFS)   202.00   mg/l
  Total Hardness as CaCo3   30.00   mg/l
  Turbidity   60.40   NTU
  Fecal Coliform   110000   MPN/100ml
  Chloride   2.94   mg/l
  Total Alkalinity   30.00   mg/l
  pH   6.98   Unit
  Temperature(Water)   30   ⁰C
  Dissolved O2(DO)   4.80   mg/l
  Total Suspended Solids(TSS)   110.00   mg/l
  Ammonia-N   0.13   mg/l
  Phenolpthalein Alkanity   NIL   mg/l