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: 30/07/2019 | Sample Time: 10:00 | |
| 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: Muddy and Moderately Brown | Odour: Odour free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| pH | 7.01 | Unit |
| Temperature | 26 | ⁰C |
| Total Coliform | 7000 | MPN/100ml |
| Boron | 0.008 | mg/l |
| Calcium | 7.42 | mg/l |
| Chloride | 17.82 | mg/l |
| COD | 19.35 | mg/l |
| Fluoride | 0.24 | mg/l |
| Magnesium | 2.45 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.153 | mg/l |
| Potassium | BDL | mg/l |
| Sodium | 1.80 | mg/l |
| Sulphate | 16.52 | mg/l |
| Total Alkalinity | 52.00 | mg/l |
| Total Dissolved Solids(TDS) | 98.00 | mg/l |
| Total Fixed Solids(TFS) | 216.00 | mg/l |
| Total Hardness as CaCo3 | 28.28 | mg/l |
| Ammonia-N | BDL | mg/l |
| BOD | 1.20 | mg/l |
| Conductivity | 54.70 | µs/cm |
| Dissolved O2(DO) | 7.50 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 230.00 | mg/l |
| Turbidity | 114.00 | NTU |
| Fecal Coliform | 2600 | MPN/100ml |
| Nitrate-N | 0.83 | mg/l |