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: 30/08/2019 | Sample Time: 10:30 | |
| 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: Dark Green and clear | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Total Coliform | 11000 | MPN/100ml |
| Boron | 0.015 | mg/l |
| Calcium | 9.62 | mg/l |
| Sulphate | 19.31 | mg/l |
| Total Alkalinity | 44.0 | mg/l |
| Total Dissolved Solids(TDS) | 112.0 | mg/l |
| Total Fixed Solids(TFS) | 144.00 | mg/l |
| Total Hardness as CaCo3 | 34.0 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Ammonia-N | 0.21 | mg/l |
| BOD | 1.30 | mg/l |
| Conductivity | 54.17 | µs/cm |
| Chloride | 12.72 | mg/l |
| Fluoride | 0.19 | mg/l |
| Magnesium | 2.88 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.034 | mg/l |
| Potassium | 3.80 | mg/l |
| Sodium | 1.60 | mg/l |
| Dissolved O2(DO) | 6.90 | mg/l |
| Fecal Coliform | 5000 | MPN/100ml |
| Nitrate-N | 0.53 | mg/l |
| Total Suspended Solids(TSS) | 184 | mg/l |
| Turbidity | 30.0 | NTU |
| COD | 32.56 | mg/l |
| pH | 7.29 | Unit |
| Temperature | 26 | ⁰C |