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: 22/05/2020 | Sample Time: 09:30 Hrs | |
| 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: Light Green and Clear | Odour: None | Visible effluent discharge: None. |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Total Fixed Solids(TFS) | mg/l | |
| Ammonia-N | mg/l | |
| Boron | 2.64 | mg/l |
| Calcium | 9.61 | mg/l |
| Chloride | 13.69 | mg/l |
| Fluoride | mg/l | |
| Magnesium | 4.03 | mg/l |
| Phosphate-P | 0.003 | mg/l |
| Potassium | 0.80 | mg/l |
| Temperature(Water) | 22 | ⁰C |
| Sodium | 1.80 | mg/l |
| Sulphate | 20.45 | mg/l |
| Total Alkalinity | 36.00 | mg/l |
| Total Dissolved Solids(TDS) | 68.00 | mg/l |
| Fecal Coliform | 1300 | MPN/100ml |
| Nitrate-N | mg/l | |
| Total Hardness as CaCo3 | 38.00 | mg/l |
| Total Suspended Solids(TSS) | 40.00 | mg/l |
| Turbidity | NTU | |
| pH | 7.64 | Unit |
| Total Coliform | 3400 | MPN/100ml |
| COD | 14.00 | mg/l |
| Dissolved O2(DO) | 6.80 | mg/l |
| BOD | 0.80 | mg/l |
| Conductivity | 58.20 | µs/cm |
| Phenolpthalein Alkanity | NIL | mg/l |