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: 22/06/2020 Sample Time: 12:00  
Human Activities: None Weather: Cloudy and Rainy. Water Body: Sinchal lake
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: Light Green Odour: Odour Free Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Nitrate-N      mg/l
  pH   7.10   Unit
  Temperature(Water)   7   ⁰C
  Total Coliform   170   MPN/100ml
  Boron   0.05   mg/l
  Calcium   3.21   mg/l
  Chloride   11.74   mg/l
  COD   10.00   mg/l
  Fluoride      mg/l
  Magnesium   1.15   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.057   mg/l
  Potassium   0.20   mg/l
  Sodium   0.60   mg/l
  Sulphate   2.77   mg/l
  Total Alkalinity   52.00   mg/l
  Total Dissolved Solids(TDS)   38.00   mg/l
  Total Fixed Solids(TFS)      mg/l
  Total Hardness as CaCo3   12.00   mg/l
  Ammonia-N      mg/l
  BOD   0.50   mg/l
  Conductivity   19.60   µs/cm
  Dissolved O2(DO)   7.60   mg/l
  Fecal Coliform   80   MPN/100ml
  Total Suspended Solids(TSS)   12.00   mg/l
  Turbidity      NTU