West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: River Balason at Khaprail More | River Basin: Mahananda | CPCB Station Code: 4722 |
| Sample Date: 08/01/2021 | Sample Time: 12:30 Hrs | |
| Human Activities: Bathing and Washing | Weather: Sunny and Clear | Water Body: Balason |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Light Brown and slightly Turbid | Odour: Odourless | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Dissolved O2(DO) | 6.90 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| BOD | 1.50 | mg/l |
| Conductivity | 65.41 | µs/cm |
| Fecal Coliform | 8000 | MPN/100ml |
| Fecal Streptococci | 170 | MPN/100ml |
| Nitrate-N | 0.099 | mg/l |
| pH | 6.42 | Unit |
| Temperature(Water) | 24 | ⁰C |
| Total Coliform | 10000 | MPN/100ml |
| Boron | 2.52 | mg/l |
| Calcium | 5.61 | mg/l |
| Chloride | 1.95 | mg/l |
| COD | 40.0 | mg/l |
| Fluoride | 0.18 | mg/l |
| Magnesium | 2.30 | mg/l |
| Phosphate-P | 0.004 | mg/l |
| Potassium | 1.80 | mg/l |
| Sodium | 8.40 | mg/l |
| Sulphate | 4.71 | mg/l |
| Total Alkalinity | 40.0 | mg/l |
| Total Dissolved Solids(TDS) | 52.00 | mg/l |
| Total Fixed Solids(TFS) | 342.00 | mg/l |
| Total Hardness as CaCo3 | 22.0 | mg/l |
| Total Suspended Solids(TSS) | 154.0 | mg/l |
| Turbidity | 89.90 | NTU |
| Ammonia-N | 0.27 | mg/l |