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: 13/06/2022 | Sample Time: 09:00 | |
Human Activities: None | Weather: Cloudy | 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 turbid | Odour: Fishy | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Ammonia-N | BDL | mg/l |
BOD | 1.40 | mg/l |
Conductivity | 51.38 | µs/cm |
Dissolved O2(DO) | 7.10 | mg/l |
Fecal Coliform | 2600 | MPN/100ml |
Fecal Streptococci | 41 | MPN/100ml |
Nitrate-N | 0.41 | mg/l |
pH | 6.99 | Unit |
Temperature(Water) | 16 | ⁰C |
Total Coliform | 30000 | MPN/100ml |
Boron | 3.26 | mg/l |
Calcium | 5.60 | mg/l |
Chloride | 1.95 | mg/l |
COD | 11.00 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 1.45 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.008 | mg/l |
Potassium | 2.2 | mg/l |
Sodium | 4.0 | mg/l |
Sulphate | 9.99 | mg/l |
Total Alkalinity | 26.00 | mg/l |
Total Dissolved Solids(TDS) | 31.00 | mg/l |
Total Fixed Solids(TFS) | 222.00 | mg/l |
Total Hardness as CaCo3 | 20.00 | mg/l |
Total Suspended Solids(TSS) | 286.00 | mg/l |
Turbidity | 62.70 | NTU |