West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: River Teesta at Jalpesh | River Basin: Tista | CPCB Station Code: 4723 |
| Sample Date: 06/09/2019 | Sample Time: 13:00 Hrs | |
| Human Activities: Washing of jute fibres and bathing | Weather: Sunny and Clear. | Water Body: Teesta |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Dark Brown and Turbid | Odour: Rotten eggs | Visible effluent discharge: None. |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Dissolved O2(DO) | 6.90 | mg/l |
| Fecal Coliform | 7000 | MPN/100ml |
| Nitrate-N | 0.85 | mg/l |
| Boron | 0.017 | mg/l |
| Calcium | 8.82 | mg/l |
| Chloride | 0.83 | mg/l |
| COD | 34.89 | mg/l |
| Magnesium | 2.30 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.021 | mg/l |
| Potassium | 4.90 | mg/l |
| Sodium | 7.20 | mg/l |
| Total Alkalinity | 42.00 | mg/l |
| Total Fixed Solids(TFS) | 506.00 | mg/l |
| Total Hardness as CaCo3 | 30.0 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 84.00 | mg/l |
| Turbidity | 169.00 | NTU |
| Ammonia-N | 0.14 | mg/l |
| Total Coliform | 17000 | MPN/100ml |
| Sulphate | 16.86 | mg/l |
| BOD | 2.20 | mg/l |
| Conductivity | 68.47 | µs/cm |
| pH | 7.10 | Unit |
| Fluoride | 0.18 | mg/l |
| Total Dissolved Solids(TDS) | 66.00 | mg/l |
| Temperature | 28 | ⁰C |