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: 18/11/2019 | Sample Time: 10:10 hrs | |
| Human Activities: Fishing | 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 & muddy | Odour: Fishy | Visible effluent discharge: moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Magnesium | 4.69 | mg/l |
| Phenolpthalein Alkanity | Nil | mg/l |
| Phosphate-P | 0.009 | mg/l |
| Potassium | BDL | mg/l |
| Dissolved O2(DO) | 6.20 | mg/l |
| Fecal Coliform | 2700 | MPN/100ml |
| Nitrate-N | 0.68 | mg/l |
| pH | 7.84 | Unit |
| Temperature | 26 | ⁰C |
| Total Coliform | 8000 | MPN/100ml |
| Boron | 0.014 | mg/l |
| Calcium | 6.41 | mg/l |
| Chloride | 12.72 | mg/l |
| COD | 38.00 | mg/l |
| Sodium | 2.00 | mg/l |
| Sulphate | 20.19 | mg/l |
| Total Alkalinity | 38.00 | mg/l |
| Total Dissolved Solids(TDS) | 64.00 | mg/l |
| Total Fixed Solids(TFS) | 68.00 | mg/l |
| Ammonia-N | BDL | mg/l |
| BOD | 1.80 | mg/l |
| Fluoride | 0.13 | mg/l |
| Total Suspended Solids(TSS) | 48.00 | mg/l |
| Turbidity | 33.80 | NTU |
| Total Hardness as CaCo3 | 32.00 | mg/l |
| Conductivity | 40.55 | µs/cm |