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: 20/07/2021 | Sample Time: 11:10Hrs | |
| Human Activities: Bathing & Washing,Sand Recovery | Weather: Sunny | Water Body: Balason |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Light Brown & moderately Turbid | Odour: Fishy | Visible effluent discharge: moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Fluoride | 0.16 | mg/l |
| Magnesium | 4.03 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.002 | mg/l |
| Potassium | 2.2 | mg/l |
| Sodium | 5.6 | mg/l |
| Sulphate | 9.87 | mg/l |
| Total Alkalinity | 50.00 | mg/l |
| Total Dissolved Solids(TDS) | 32.00 | mg/l |
| Total Fixed Solids(TFS) | 160.00 | mg/l |
| Total Hardness as CaCo3 | 36.00 | mg/l |
| Total Suspended Solids(TSS) | 22.00 | mg/l |
| Turbidity | 21.70 | NTU |
| Ammonia-N | 0.45 | mg/l |
| BOD | 1.80 | mg/l |
| Conductivity | 42.60 | µs/cm |
| Dissolved O2(DO) | 7.20 | mg/l |
| Fecal Coliform | 2100 | MPN/100ml |
| Fecal Streptococci | 49 | MPN/100ml |
| Nitrate-N | 0.09 | mg/l |
| pH | 6.98 | Unit |
| Temperature(Water) | 27 | ⁰C |
| Total Coliform | 5000 | MPN/100ml |
| Boron | 0.69 | mg/l |
| Calcium | 8.82 | mg/l |
| Chloride | 11.74 | mg/l |
| COD | 19.00 | mg/l |