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: 28/09/2020 | Sample Time: 14:15 Hrs | |
Human Activities: Fishing, | Weather: Sunny and Humid | Water Body: TEESTA AT SILIGURI |
Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Moderately Brown and Slightly Turbid | Odour: Fishy | Visible effluent discharge: None. |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Conductivity | 59.20 | µs/cm |
Dissolved O2(DO) | 8.40 | mg/l |
Fecal Coliform | 3300 | MPN/100ml |
Potassium | BDL | mg/l |
Sodium | 1.00 | mg/l |
Sulphate | 13.05 | mg/l |
Total Alkalinity | 48.00 | mg/l |
Total Dissolved Solids(TDS) | 98.00 | mg/l |
Nitrate-N | 0.76 | mg/l |
pH | 7.46 | Unit |
Calcium | 10.02 | mg/l |
Chloride | 0.98 | mg/l |
COD | 20.00 | mg/l |
Fluoride | 0.11 | mg/l |
Total Fixed Solids(TFS) | 66.00 | mg/l |
Total Hardness as CaCo3 | 40.00 | mg/l |
Total Suspended Solids(TSS) | 101.00 | mg/l |
Turbidity | 20.50 | NTU |
BOD | 2.60 | mg/l |
Ammonia-N | 0.13 | mg/l |
Boron | 3.48 | mg/l |
Temperature(Water) | 27 | ⁰C |
Total Coliform | 11000 | MPN/100ml |
Magnesium | 4.04 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.014 | mg/l |