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: 25/10/2021 | Sample Time: 14:50 | |
| Human Activities: Bathing,Washing Clothes and Fishing | Weather: Sunny | Water Body: Balason |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Brown and light turbid | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.27 | mg/l |
| BOD | 1.80 | mg/l |
| Conductivity | 61.02 | µs/cm |
| Dissolved O2(DO) | 7.20 | mg/l |
| Fecal Coliform | 2600 | MPN/100ml |
| Fecal Streptococci | 24 | MPN/100ml |
| Nitrate-N | 0.05 | mg/l |
| pH | 7.20 | Unit |
| Temperature(Water) | 25 | ⁰C |
| Total Coliform | 9000 | MPN/100ml |
| Boron | 0.62 | mg/l |
| Calcium | 4.81 | mg/l |
| Chloride | 13.69 | mg/l |
| COD | 12.00 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 3.45 | mg/l |
| Phenolpthalein Alkanity | mg/l | |
| Phosphate-P | 0.061 | mg/l |
| Potassium | 1.70 | mg/l |
| Sodium | 2.70 | mg/l |
| Sulphate | 7.69 | mg/l |
| Total Alkalinity | 32.00 | mg/l |
| Total Dissolved Solids(TDS) | 10.00 | mg/l |
| Total Fixed Solids(TFS) | 58.00 | mg/l |
| Total Hardness as CaCo3 | 24.00 | mg/l |
| Total Suspended Solids(TSS) | 18.00 | mg/l |
| Turbidity | 4.73 | NTU |