West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: River Mechi at Nehaljote | River Basin: Mahananda | CPCB Station Code: 4727 |
| Sample Date: 16/06/2020 | Sample Time: 12:15 | |
| Human Activities: None | Weather: Sunny and Clear. | Water Body: Mechi |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Clear Light Green | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Conductivity | 88.41 | µs/cm |
| Ammonia-N | mg/l | |
| Total Hardness as CaCo3 | 26.00 | mg/l |
| Nitrate-N | mg/l | |
| Total Suspended Solids(TSS) | 96.00 | mg/l |
| Turbidity | NTU | |
| Phenolpthalein Alkanity | NIL | mg/l |
| BOD | 1.40 | mg/l |
| Dissolved O2(DO) | 7.30 | mg/l |
| Fecal Coliform | 2700 | MPN/100ml |
| Calcium | 9.62 | mg/l |
| Phosphate-P | 2.003 | mg/l |
| Potassium | 0.80 | mg/l |
| Sodium | 2.20 | mg/l |
| pH | 7.90 | Unit |
| Temperature(Water) | 28 | ⁰C |
| Total Coliform | 11000 | MPN/100ml |
| Boron | 0.37 | mg/l |
| Sulphate | 8.62 | mg/l |
| Total Alkalinity | 54.00 | mg/l |
| Total Dissolved Solids(TDS) | 115.00 | mg/l |
| Total Fixed Solids(TFS) | mg/l | |
| Chloride | 13.69 | mg/l |
| COD | 30.00 | mg/l |
| Fluoride | mg/l | |
| Magnesium | 0.576 | mg/l |