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: 17/08/2021 | Sample Time: 11:30 | |
| 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 and moderately turbid | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.51 | mg/l |
| BOD | 1.60 | mg/l |
| Conductivity | 58.71 | µs/cm |
| Dissolved O2(DO) | 7.40 | mg/l |
| Fecal Coliform | 2600 | MPN/100ml |
| Fecal Streptococci | 27 | MPN/100ml |
| Nitrate-N | 0.09 | mg/l |
| pH | 6.60 | Unit |
| Temperature(Water) | 28 | ⁰C |
| Total Coliform | 9000 | MPN/100ml |
| Boron | 0.98 | mg/l |
| Calcium | 8.81 | mg/l |
| Chloride | 11.74 | mg/l |
| COD | 16.00 | mg/l |
| Fluoride | 0.20 | mg/l |
| Magnesium | 3.45 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.003 | mg/l |
| Potassium | 0.60 | mg/l |
| Sodium | 1.90 | mg/l |
| Sulphate | 6.19 | mg/l |
| Total Alkalinity | 74.00 | mg/l |
| Total Dissolved Solids(TDS) | 28.00 | mg/l |
| Total Fixed Solids(TFS) | 16.00 | mg/l |
| Total Hardness as CaCo3 | 34.0 | mg/l |
| Total Suspended Solids(TSS) | 26.00 | mg/l |
| Turbidity | 2.90 | NTU |