West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: River Siltorsa at Hasimara | River Basin: Tista | CPCB Station Code: 4718 |
| Sample Date: 20/03/2020 | Sample Time: 16:20 Hrs | |
| Human Activities: None | Weather: Cloudy | Water Body: Siltorsa |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Moderately Brown and slightly turbid | Odour: Odour free | Visible effluent discharge: None. |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Nitrate-N | mg/l | |
| pH | 7.20 | Unit |
| Total Coliform | MPN/100ml | |
| Boron | 7.91 | mg/l |
| Calcium | 16.84 | mg/l |
| Chloride | 10.76 | mg/l |
| COD | 52.00 | mg/l |
| Fluoride | mg/l | |
| Magnesium | 11.52 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.003 | mg/l |
| Potassium | 0.60 | mg/l |
| Sodium | 2.60 | mg/l |
| Sulphate | 6.29 | mg/l |
| Total Alkalinity | 92.00 | mg/l |
| Total Dissolved Solids(TDS) | 82.00 | mg/l |
| Total Fixed Solids(TFS) | mg/l | |
| Total Hardness as CaCo3 | 82.00 | mg/l |
| Total Suspended Solids(TSS) | 62.00 | mg/l |
| Turbidity | NTU | |
| Temperature | 26 | ⁰C |
| Ammonia-N | mg/l | |
| BOD | 1.90 | mg/l |
| Conductivity | 128.00 | µs/cm |
| Dissolved O2(DO) | 8.10 | mg/l |
| Fecal Coliform | MPN/100ml | |