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: 18/01/2022 | Sample Time: 14:50 | |
| 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: Dark brown and moderately turbid | Odour: Septic. | Visible effluent discharge: High. |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 3.31 | mg/l |
| BOD | 8.00 | mg/l |
| Conductivity | 307.20 | µs/cm |
| Dissolved O2(DO) | 5.20 | mg/l |
| Fecal Coliform | 170000 | MPN/100ml |
| Fecal Streptococci | 230 | MPN/100ml |
| Nitrate-N | 0.22 | mg/l |
| pH | 6.51 | Unit |
| Temperature(Water) | 20 | ⁰C |
| Total Coliform | 220000 | MPN/100ml |
| Boron | 1.89 | mg/l |
| Calcium | 35.27 | mg/l |
| Chloride | 38.15 | mg/l |
| COD | 48.00 | mg/l |
| Fluoride | 0.20 | mg/l |
| Magnesium | 12.67 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.014 | mg/l |
| Potassium | 7.70 | mg/l |
| Sodium | 9.50 | mg/l |
| Sulphate | 19.09 | mg/l |
| Total Alkalinity | 32.00 | mg/l |
| Total Dissolved Solids(TDS) | 169.00 | mg/l |
| Total Fixed Solids(TFS) | 146.00 | mg/l |
| Total Hardness as CaCo3 | 132.00 | mg/l |
| Total Suspended Solids(TSS) | 28.00 | mg/l |
| Turbidity | 127.00 | NTU |