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: 14/03/2022 | Sample Time: 15:00 | |
| Human Activities: None | Weather: Sunny and Clear. | 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 | 0.47 | mg/l |
| BOD | 44.00 | mg/l |
| Conductivity | 375.10 | µs/cm |
| Dissolved O2(DO) | 2.10 | mg/l |
| Fecal Coliform | 110000 | MPN/100ml |
| Fecal Streptococci | 220 | MPN/100ml |
| Nitrate-N | 0.29 | mg/l |
| pH | 6.74 | Unit |
| Temperature(Water) | 29 | ⁰C |
| Total Coliform | 300000 | MPN/100ml |
| Boron | 1.37 | mg/l |
| Calcium | 30.40 | mg/l |
| Chloride | 36.20 | mg/l |
| COD | 73.60 | mg/l |
| Fluoride | 0.16 | mg/l |
| Magnesium | 4.37 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.015 | mg/l |
| Potassium | 7.70 | mg/l |
| Sodium | 20.80 | mg/l |
| Sulphate | 17.78 | mg/l |
| Total Alkalinity | 84.00 | mg/l |
| Total Dissolved Solids(TDS) | 80.00 | mg/l |
| Total Fixed Solids(TFS) | 220.00 | mg/l |
| Total Hardness as CaCo3 | 94.00 | mg/l |
| Total Suspended Solids(TSS) | 46.00 | mg/l |
| Turbidity | 8.83 | NTU |