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: 24/09/2019 | Sample Time: 10:00 Hrs | |
Human Activities: None | Weather: Sunny. | 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 Moderately Turbid | Odour: None | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Total Dissolved Solids(TDS) | 90.0 | mg/l |
Total Fixed Solids(TFS) | 68.00 | mg/l |
Total Hardness as CaCo3 | 22.00 | mg/l |
Total Kjeldahl Nitrogen(TKN) | mg/l | |
Total Suspended Solids(TSS) | 110.0 | mg/l |
Ammonia-N | 0.23 | mg/l |
Total Alkalinity | 38.00 | mg/l |
Conductivity | 60.23 | µs/cm |
Dissolved O2(DO) | 7.20 | mg/l |
Fecal Coliform | 3400 | MPN/100ml |
Nitrate-N | 0.65 | mg/l |
pH | 7.46 | Unit |
Temperature | 29 | ⁰C |
Total Coliform | 13000 | MPN/100ml |
Boron | 0.017 | mg/l |
Calcium | 7.21 | mg/l |
Chloride | 6.90 | mg/l |
COD | 29.74 | mg/l |
Fluoride | 0.17 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.020 | mg/l |
Potassium | 4.20 | mg/l |
Sodium | 1.80 | mg/l |
Sulphate | 24.42 | mg/l |
Turbidity | 2.26 | NTU |
Magnesium | 1.152 | mg/l |
BOD | 1.80 | mg/l |