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: 14/11/2019 | Sample Time: 11:30 hrs | |
| Human Activities: NIL | Weather: Sunny | Water Body: Ramghat on Mahananda |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Dark Ash | Odour: Septic | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Total Fixed Solids(TFS) | 76.00 | mg/l |
| Total Dissolved Solids(TDS) | 112.00 | mg/l |
| Total Hardness as CaCo3 | 80.00 | mg/l |
| Total Suspended Solids(TSS) | 72.00 | mg/l |
| Turbidity | 4.87 | NTU |
| Ammonia-N | 1.69 | mg/l |
| BOD | 12.00 | mg/l |
| Conductivity | 110.60 | µs/cm |
| Dissolved O2(DO) | 5.40 | mg/l |
| Fecal Coliform | 90000 | MPN/100ml |
| pH | 6.60 | Unit |
| Temperature | 29 | ⁰C |
| Total Coliform | 140000 | MPN/100ml |
| Boron | 0.039 | mg/l |
| Calcium | 28.06 | mg/l |
| Chloride | 16.63 | mg/l |
| COD | 68.00 | mg/l |
| Fluoride | 0.20 | mg/l |
| Magnesium | 2.88 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.046 | mg/l |
| Potassium | 4.10 | mg/l |
| Sulphate | 31.25 | mg/l |
| Total Alkalinity | 84.00 | mg/l |
| Sodium | 9.10 | mg/l |
| Nitrate-N | 0.54 | mg/l |