West Bengal Pollution Control Board

Siliguri Laboratory

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



Station: SINCHAL LAKE FOR DARJEELING River Basin: Tista CPCB Station Code: 2522
Sample Date: 25/06/2021 Sample Time: 11:30  
Human Activities: None Weather: Cloudy. Water Body: Sinchal lake
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: Clear Light Green Odour: Odour Free Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Total Suspended Solids(TSS)   10.00   mg/l
  Turbidity   2.58   NTU
  BOD   0.80   mg/l
  Conductivity   27.91   µs/cm
  Dissolved O2(DO)   8.10   mg/l
  Fecal Coliform   70   MPN/100ml
  Nitrate-N   0.03   mg/l
  pH   7.20   Unit
  Temperature(Water)   10   ⁰C
  Total Coliform   170   MPN/100ml
  Boron   0.25   mg/l
  Calcium   4.01   mg/l
  Chloride   7.83   mg/l
  COD   8.00   mg/l
  Fluoride   BDL   mg/l
  Magnesium   0.16   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.003   mg/l
  Potassium   BDL   mg/l
  Sodium   0.80   mg/l
  Sulphate   1.89   mg/l
  Total Alkalinity   18.00   mg/l
  Total Dissolved Solids(TDS)   12.00   mg/l
  Total Fixed Solids(TFS)   32.00   mg/l
  Total Hardness as CaCo3   12.00   mg/l
  Ammonia-N   0.14   mg/l