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: 07/05/2019 | Sample Time: 10:30 Hrs | |
Human Activities: Sand extraction,construction work. | Weather: Calm and sunny | Water Body: TEESTA AT SILIGURI |
Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Light Brown | Odour: Odour free | Visible effluent discharge: none |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Dissolved O2(DO) | 8.10 | mg/l |
Nitrate-N | 0.53 | mg/l |
Fecal Coliform | 3400 | MPN/100ml |
Calcium | 10.42 | mg/l |
Chloride | 7.83 | mg/l |
COD | 10.00 | mg/l |
Fluoride | 0.13 | mg/l |
Magnesium | 3.46 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.003 | mg/l |
Potassium | 0.60 | mg/l |
Sodium | 1.80 | mg/l |
Sulphate | 8.95 | mg/l |
Total Alkalinity | 44.00 | mg/l |
Total Dissolved Solids(TDS) | 70.00 | mg/l |
Total Fixed Solids(TFS) | 96.0 | mg/l |
Total Hardness as CaCo3 | 38.00 | mg/l |
Total Suspended Solids(TSS) | 36.00 | mg/l |
Turbidity | 9.40 | NTU |
Ammonia-N | BDL | mg/l |
BOD | 3.80 | mg/l |
Conductivity | 97.54 | µs/cm |
pH | 7.58 | Unit |
Temperature | 27 | ⁰C |
Total Coliform | 17000 | MPN/100ml |
Boron | 0.003 | mg/l |