West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: MAHANANDA D/S, RAMGHAT | River Basin: Mahananda | CPCB Station Code: 2525 |
| Sample Date: 14/02/2020 | Sample Time: 11:50 Hrs | |
| Human Activities: Fishing | Weather: Cloudy and Clear | Water Body: Ramghat on Mahananda |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Dark Green and Highly Turbid | Odour: Nauseating | Visible effluent discharge: High |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| BOD | 12.0 | mg/l |
| Boron | 16.78 | mg/l |
| Conductivity | 227.80 | µs/cm |
| Total Coliform | 260000 | MPN/100ml |
| Sulphate | 13.16 | mg/l |
| Temperature | 21 | ⁰C |
| Dissolved O2(DO) | 4.90 | mg/l |
| Calcium | 14.42 | mg/l |
| Chloride | 16.63 | mg/l |
| COD | 68.0 | mg/l |
| Fluoride | 0.24 | mg/l |
| Magnesium | 12.67 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Potassium | 5.70 | mg/l |
| Sodium | 12.00 | mg/l |
| Total Alkalinity | 96.00 | mg/l |
| Total Dissolved Solids(TDS) | 266.00 | mg/l |
| Total Fixed Solids(TFS) | 180.00 | mg/l |
| Total Hardness as CaCo3 | 80.00 | mg/l |
| Total Suspended Solids(TSS) | 107.00 | mg/l |
| Turbidity | 10.20 | NTU |
| Fecal Coliform | 140000 | MPN/100ml |
| Nitrate-N | 1.97 | mg/l |
| Ammonia-N | 3.78 | mg/l |
| pH | 7.81 | Unit |
| Phosphate-P | 0.005 | mg/l |