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: 24/12/2019 Sample Time: 14:00 Hrs  
Human Activities: Fishing and Sand Recovery. Weather: Sunny and Clear. Water Body: Ramghat on Mahananda
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: Dark Green and muddy. Odour: Rotten Eggs Visible effluent discharge: High.


Water Quality
Parameter Test Result Unit
  Ammonia-N   BDL   mg/l
  Temperature   20   ⁰C
  Magnesium   7.48   mg/l
  Total Hardness as CaCo3   84.00   mg/l
  Total Coliform   280000   MPN/100ml
  Conductivity   104.10   µs/cm
  COD   79.00   mg/l
  Fluoride   0.14   mg/l
  Total Fixed Solids(TFS)   64.00   mg/l
  Total Suspended Solids(TSS)   82.00   mg/l
  Dissolved O2(DO)   5.80   mg/l
  Fecal Coliform   170000   MPN/100ml
  Nitrate-N   2.93   mg/l
  pH   6.50   Unit
  Sodium   7.20   mg/l
  Sulphate   46.10   mg/l
  BOD   10.00   mg/l
  Phosphate-P   0.055   mg/l
  Chloride   6.85   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Boron   0.045   mg/l
  Calcium   22.45   mg/l
  Potassium   4.10   mg/l
  Total Alkalinity   92.00   mg/l
  Total Dissolved Solids(TDS)   140.00   mg/l
  Turbidity   8.08   NTU