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: 18/02/2021 | 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: Moderately green | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.42 | mg/l |
| BOD | 1.80 | mg/l |
| Fecal Coliform | 5000 | MPN/100ml |
| Fecal Streptococci | 110 | MPN/100ml |
| Nitrate-N | 0.05 | mg/l |
| pH | 6.80 | Unit |
| Temperature(Water) | 24 | ⁰C |
| Total Coliform | 14000 | MPN/100ml |
| Boron | 2.99 | mg/l |
| Calcium | 7.21 | mg/l |
| Chloride | 8.81 | mg/l |
| COD | 34.00 | mg/l |
| Fluoride | 0.15 | mg/l |
| Magnesium | 3.45 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.003 | mg/l |
| Potassium | 1.70 | mg/l |
| Sodium | 3.80 | mg/l |
| Sulphate | 7.11 | mg/l |
| Total Alkalinity | 36.00 | mg/l |
| Total Fixed Solids(TFS) | 30.00 | mg/l |
| Total Hardness as CaCo3 | 30.00 | mg/l |
| Total Suspended Solids(TSS) | 90.0 | mg/l |
| Turbidity | NTU | |
| Conductivity | 56.14 | µs/cm |
| Dissolved O2(DO) | 7.10 | mg/l |
| Total Dissolved Solids(TDS) | 30.00 | mg/l |