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: 23/11/2020 | Sample Time: 14:20 | |
| Human Activities: Bathing and Washing and Fishing. | Weather: Sunny and Hot. | Water Body: Balason |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Light Green | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.14 | mg/l |
| BOD | 1.80 | mg/l |
| Conductivity | 45.18 | µs/cm |
| Dissolved O2(DO) | 6.0 | mg/l |
| Fecal Coliform | 3400 | MPN/100ml |
| Fecal Streptococci | 930 | MPN/100ml |
| Nitrate-N | 0.077 | mg/l |
| Temperature(Water) | 28 | ⁰C |
| Boron | 2.66 | mg/l |
| Total Alkalinity | 26.00 | mg/l |
| Total Dissolved Solids(TDS) | 76.00 | mg/l |
| Total Fixed Solids(TFS) | 12.00 | mg/l |
| Total Hardness as CaCo3 | 22.00 | mg/l |
| pH | 7.63 | Unit |
| Sulphate | 9.64 | mg/l |
| Total Suspended Solids(TSS) | 58.00 | mg/l |
| Turbidity | 9.70 | NTU |
| Total Coliform | 17000 | MPN/100ml |
| Calcium | 7.21 | mg/l |
| Chloride | 0.98 | mg/l |
| COD | 36.00 | mg/l |
| Fluoride | 0.13 | mg/l |
| Magnesium | 1.15 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.033 | mg/l |
| Potassium | 1.60 | mg/l |
| Sodium | 5.20 | mg/l |