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: 20/07/2020 Sample Time: 12:55  
Human Activities: Fishing 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: Brown and Muddy Odour: Septic Visible effluent discharge: High


Water Quality
Parameter Test Result Unit
  Chloride   16.63   mg/l
  Total Alkalinity   96.00   mg/l
  Phosphate-P   0.349   mg/l
  Nitrate-N   1.53   mg/l
  pH   6.20   Unit
  Total Coliform   280000   MPN/100ml
  Boron   8.13   mg/l
  Calcium   22.44   mg/l
  COD   78.00   mg/l
  Fluoride   0.33   mg/l
  Magnesium   3.26   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Potassium   9.80   mg/l
  Sulphate   22.15   mg/l
  Total Dissolved Solids(TDS)   320.00   mg/l
  Total Fixed Solids(TFS)   242.00   mg/l
  Total Hardness as CaCo3   64.00   mg/l
  Total Suspended Solids(TSS)   214.00   mg/l
  Turbidity   22.30   NTU
  BOD   12.00   mg/l
  Temperature(Water)   28   ⁰C
  Ammonia-N   BDL   mg/l
  Conductivity   192.79   µs/cm
  Dissolved O2(DO)   6.00   mg/l
  Fecal Coliform   140000   MPN/100ml
  Sodium   182.60   mg/l