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: 19/05/2022 | Sample Time: 13:15 | |
| Human Activities: Bathing and Washing and Fishing. | Weather: Cloudy and Windy | 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 turbid | Odour: Fishy | Visible effluent discharge: High |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.49 | mg/l |
| BOD | 20.00 | mg/l |
| Conductivity | 203.10 | µs/cm |
| Dissolved O2(DO) | 4.40 | mg/l |
| Fecal Coliform | 90000 | MPN/100ml |
| Fecal Streptococci | 790 | MPN/100ml |
| Nitrate-N | 5.39 | mg/l |
| pH | 6.83 | Unit |
| Temperature(Water) | 26 | ⁰C |
| Total Coliform | 160000 | MPN/100ml |
| Boron | 4.61 | mg/l |
| Calcium | 23.20 | mg/l |
| Chloride | 11.74 | mg/l |
| COD | 42.00 | mg/l |
| Fluoride | 0.14 | mg/l |
| Magnesium | 4.37 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Potassium | 6.40 | mg/l |
| Sodium | 14.40 | mg/l |
| Sulphate | 19.23 | mg/l |
| Total Alkalinity | 70.00 | mg/l |
| Total Dissolved Solids(TDS) | 101.00 | mg/l |
| Total Fixed Solids(TFS) | 204.00 | mg/l |
| Total Hardness as CaCo3 | 76.00 | mg/l |
| Total Suspended Solids(TSS) | 17.00 | mg/l |
| Turbidity | 19.50 | NTU |
| Phosphate-P | 0.016 | mg/l |