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: 21/12/2020 | Sample Time: 10:25 | |
Human Activities: None | Weather: Sunny and Clear. | Water Body: TEESTA AT SILIGURI |
Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Light Green | Odour: None | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Temperature(Water) | 20 | ⁰C |
Total Coliform | 14000 | MPN/100ml |
Boron | 2.66 | mg/l |
Calcium | 12.02 | mg/l |
Chloride | 0.98 | mg/l |
COD | 24.00 | mg/l |
Fluoride | 0.22 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.010 | mg/l |
Potassium | 1.10 | mg/l |
Sodium | 0.60 | mg/l |
pH | 7.02 | Unit |
Total Dissolved Solids(TDS) | 68.00 | mg/l |
Total Alkalinity | 48.00 | mg/l |
Total Fixed Solids(TFS) | 206.00 | mg/l |
Total Hardness as CaCo3 | 38.00 | mg/l |
Total Suspended Solids(TSS) | 52.00 | mg/l |
Turbidity | 8.79 | NTU |
Ammonia-N | 0.19 | mg/l |
Nitrate-N | 0.259 | mg/l |
BOD | 1.20 | mg/l |
Conductivity | 60.32 | µs/cm |
Dissolved O2(DO) | 7.10 | mg/l |
Fecal Coliform | 5000 | MPN/100ml |
Fecal Streptococci | 34 | MPN/100ml |
Sulphate | 9.21 | mg/l |
Magnesium | 2.30 | mg/l |