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: 22/07/2021 | Sample Time: 15:10 | |
| Human Activities: Fishing | Weather: Sunny and humid | Water Body: Ramghat on Mahananda |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Moderately Brown and turbid | Odour: Septic. | Visible effluent discharge: High. |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.28 | mg/l |
| BOD | 10.0 | mg/l |
| Conductivity | 171.13 | µs/cm |
| Dissolved O2(DO) | 6.40 | mg/l |
| Fecal Coliform | 90000 | MPN/100ml |
| Fecal Streptococci | 170 | MPN/100ml |
| Nitrate-N | 0.49 | mg/l |
| pH | 6.05 | Unit |
| Temperature(Water) | 27 | ⁰C |
| Total Coliform | 170000 | MPN/100ml |
| Boron | 4.21 | mg/l |
| Calcium | 16.84 | mg/l |
| Chloride | 31.30 | mg/l |
| COD | 38.64 | mg/l |
| Fluoride | 0.19 | mg/l |
| Magnesium | 11.52 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.019 | mg/l |
| Potassium | 3.20 | mg/l |
| Sodium | 8.40 | mg/l |
| Sulphate | 35.81 | mg/l |
| Total Alkalinity | 84.00 | mg/l |
| Total Dissolved Solids(TDS) | 94.00 | mg/l |
| Total Fixed Solids(TFS) | 276.00 | mg/l |
| Total Hardness as CaCo3 | 82.00 | mg/l |
| Total Suspended Solids(TSS) | 42.00 | mg/l |
| Turbidity | 120.00 | NTU |