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: 11/07/2022 | Sample Time: 13:20 | |
| Human Activities: Fishing and sand recovery. | Weather: Cloudy | Water Body: Ramghat on Mahananda |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Light Green and turbid | Odour: Fishy and Septic. | Visible effluent discharge: High. |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | BDL | mg/l |
| BOD | 8.00 | mg/l |
| Conductivity | 179.60 | µs/cm |
| Dissolved O2(DO) | 4.90 | mg/l |
| Fecal Coliform | 80000 | MPN/100ml |
| Fecal Streptococci | 340 | MPN/100ml |
| Nitrate-N | 0.58 | mg/l |
| pH | 6.87 | Unit |
| Temperature(Water) | 29 | ⁰C |
| Total Coliform | 170000 | MPN/100ml |
| Boron | 1.01 | mg/l |
| Calcium | 17.60 | mg/l |
| Chloride | 8.80 | mg/l |
| COD | 19.76 | mg/l |
| Fluoride | 0.12 | mg/l |
| Magnesium | 3.40 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.22 | mg/l |
| Potassium | 4.50 | mg/l |
| Sodium | 9.10 | mg/l |
| Sulphate | 15.25 | mg/l |
| Total Alkalinity | 58.00 | mg/l |
| Total Dissolved Solids(TDS) | 102.00 | mg/l |
| Total Fixed Solids(TFS) | 98.00 | mg/l |
| Total Hardness as CaCo3 | 58.00 | mg/l |
| Total Suspended Solids(TSS) | 68.00 | mg/l |
| Turbidity | 26.60 | NTU |