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: 10/05/2019 | Sample Time: 13:45 | |
| Human Activities: None | Weather: Cloudy,Hot and Humid | Water Body: Siltorsa |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Clear and Light Green | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | mg/l | |
| Conductivity | µs/cm | |
| Fecal Coliform | MPN/100ml | |
| Nitrate-N | mg/l | |
| Temperature | 20 | ⁰C |
| Boron | mg/l | |
| Sodium | mg/l | |
| BOD | 0.90 | mg/l |
| Dissolved O2(DO) | 7.20 | mg/l |
| Calcium | mg/l | |
| Magnesium | mg/l | |
| Total Hardness as CaCo3 | mg/l | |
| Total Coliform | MPN/100ml | |
| Sulphate | mg/l | |
| Total Alkalinity | mg/l | |
| Chloride | mg/l | |
| COD | mg/l | |
| Fluoride | mg/l | |
| Phenolpthalein Alkanity | mg/l | |
| Total Dissolved Solids(TDS) | mg/l | |
| Total Fixed Solids(TFS) | mg/l | |
| Phosphate-P | mg/l | |
| Potassium | mg/l | |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | mg/l | |
| Turbidity | NTU | |
| pH | 7.46 | Unit |