West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
Station: River Teesta at Jalpesh | River Basin: Tista | CPCB Station Code: 4723 |
Sample Date: 23/06/2021 | Sample Time: 11:30 | |
Human Activities: None | Weather: Sunny and humid | Water Body: Teesta |
Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Moderately green and turbid | Odour: Fishy | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Ammonia-N | 0.11 | mg/l |
BOD | 1.40 | mg/l |
Conductivity | 73.45 | µs/cm |
Dissolved O2(DO) | 7.80 | mg/l |
Fecal Coliform | 2100 | MPN/100ml |
Fecal Streptococci | 15 | MPN/100ml |
Nitrate-N | 0.38 | mg/l |
pH | 7.89 | Unit |
Temperature(Water) | 22 | ⁰C |
Total Coliform | 9000 | MPN/100ml |
Boron | 0.70 | mg/l |
Calcium | 8.82 | mg/l |
Chloride | 11.74 | mg/l |
COD | 30.00 | mg/l |
Fluoride | 0.13 | mg/l |
Magnesium | 4.03 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.003 | mg/l |
Potassium | 1.0 | mg/l |
Sodium | 0.8 | mg/l |
Sulphate | 9.26 | mg/l |
Total Alkalinity | 36.0 | mg/l |
Total Dissolved Solids(TDS) | 58.00 | mg/l |
Total Fixed Solids(TFS) | 38.00 | mg/l |
Total Hardness as CaCo3 | 36.00 | mg/l |
Total Suspended Solids(TSS) | 16.0 | mg/l |
Turbidity | 145.00 | NTU |