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: 13/10/2019 Sample Time: 11:00  
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: Dark Green Odour: Rotten eggs Visible effluent discharge: High


Water Quality
Parameter Test Result Unit
  Calcium   27.25   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.065   mg/l
  Dissolved O2(DO)   5.20   mg/l
  Potassium   4.70   mg/l
  Sodium   7.10   mg/l
  Sulphate   49.52   mg/l
  Total Alkalinity   84.00   mg/l
  Magnesium   7.49   mg/l
  Total Dissolved Solids(TDS)   310.00   mg/l
  COD   78.00   mg/l
  Fluoride   0.18   mg/l
  Total Hardness as CaCo3   94.00   mg/l
  Total Suspended Solids(TSS)   110.00   mg/l
  Turbidity   11.80   NTU
  Ammonia-N   BDL   mg/l
  Total Coliform   130000   MPN/100ml
  Boron   0.042   mg/l
  BOD   22.00   mg/l
  Fecal Coliform   80000   MPN/100ml
  Nitrate-N   0.96   mg/l
  pH   6.80   Unit
  Temperature   29   ⁰C
  Total Fixed Solids(TFS)   120.00   mg/l
  Conductivity   219.00   µs/cm
  Chloride   29.35   mg/l