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: 28/05/2020 | Sample Time: 13:45 Hrs | |
| Human Activities: None | Weather: Sunny | Water Body: Siltorsa |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Light Brown and Moderately Turbid | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | mg/l | |
| Dissolved O2(DO) | 7.10 | mg/l |
| Fecal Coliform | 2200 | MPN/100ml |
| Nitrate-N | mg/l | |
| Magnesium | 12.67 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.017 | mg/l |
| Potassium | 6.40 | mg/l |
| Sodium | 1.20 | mg/l |
| Sulphate | 14.87 | mg/l |
| Total Alkalinity | 68.00 | mg/l |
| Total Dissolved Solids(TDS) | 268.00 | mg/l |
| Total Fixed Solids(TFS) | mg/l | |
| Total Hardness as CaCo3 | 92.00 | mg/l |
| Total Suspended Solids(TSS) | 210.00 | mg/l |
| pH | 6.90 | Unit |
| Turbidity | NTU | |
| Temperature(Water) | 29 | ⁰C |
| Total Coliform | 7000 | MPN/100ml |
| Conductivity | 110.14 | µs/cm |
| Boron | 5.02 | mg/l |
| Calcium | 19.23 | mg/l |
| BOD | 1.40 | mg/l |
| Chloride | 13.69 | mg/l |
| COD | 28.00 | mg/l |
| Fluoride | mg/l | |