West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
Station: TEESTA AT SEVOKE | River Basin: Tista | CPCB Station Code: 1947 |
Sample Date: 25/02/2019 | Sample Time: 10:30 | |
Human Activities: Sand Extraction | Weather: Clear | Water Body: TEESTA AT SILIGURI |
Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Clear and Light Green | Odour: Fishy | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
BOD | 1.90 | mg/l |
COD | 18.00 | mg/l |
Dissolved O2(DO) | 7.40 | mg/l |
Fecal Coliform | 2700 | MPN/100ml |
Nitrate-N | 0.50 | mg/l |
pH | 7.38 | Unit |
Ammonia-N | BDL | mg/l |
Conductivity | 98.65 | µs/cm |
Temperature | 18 | ⁰C |
Total Coliform | 8000 | MPN/100ml |
Boron | 0.002 | mg/l |
Fluoride | 0.26 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Total Hardness as CaCo3 | 40.00 | mg/l |
Chloride | 14.68 | mg/l |
Total Suspended Solids(TSS) | 22.00 | mg/l |
Turbidity | 1.56 | NTU |
Phosphate-P | 0.003 | mg/l |
Calcium | 13.60 | mg/l |
Potassium | BDL | mg/l |
Sodium | 6.03 | mg/l |
Sulphate | 4.90 | mg/l |
Magnesium | 1.73 | mg/l |
Total Alkalinity | 36.00 | mg/l |
Total Dissolved Solids(TDS) | 72.00 | mg/l |
Total Fixed Solids(TFS) | 48.0 | mg/l |