West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: MAHANANDA AT SILIGURI | River Basin: Mahananda | CPCB Station Code: 1946 |
| Sample Date: 13/11/2020 | Sample Time: 14:30 | |
| Human Activities: Bathing and Washing . | Weather: Sunny and Hot. | Water Body: Mahananda at Siliguri |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Muddy Brown | Odour: septic | Visible effluent discharge: High. |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Potassium | 7.80 | mg/l |
| Sodium | 3.80 | mg/l |
| Total Alkalinity | 52.00 | mg/l |
| Total Dissolved Solids(TDS) | 96.00 | mg/l |
| Total Fixed Solids(TFS) | 90.00 | mg/l |
| Temperature(Water) | 27 | ⁰C |
| Calcium | 14.43 | mg/l |
| Fluoride | 0.24 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Fecal Streptococci | 1700 | MPN/100ml |
| pH | 7.42 | Unit |
| Total Hardness as CaCo3 | 56.00 | mg/l |
| Dissolved O2(DO) | 6.90 | mg/l |
| BOD | 1.80 | mg/l |
| Total Suspended Solids(TSS) | 58.00 | mg/l |
| Turbidity | 5.78 | NTU |
| Ammonia-N | 0.23 | mg/l |
| Conductivity | 91.16 | µs/cm |
| Phosphate-P | 0.008 | mg/l |
| Sulphate | 41.79 | mg/l |
| Total Coliform | 14000 | MPN/100ml |
| Magnesium | 5.76 | mg/l |
| Fecal Coliform | 5000 | MPN/100ml |
| Nitrate-N | 0.011 | mg/l |
| COD | 48.00 | mg/l |
| Chloride | 19.24 | mg/l |
| Boron | 1.06 | mg/l |