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: 10/12/2020 | Sample Time: 13:10 | |
| 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 Green | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Calcium | 9.62 | mg/l |
| Total Hardness as CaCo3 | 30.00 | mg/l |
| Total Suspended Solids(TSS) | 38.00 | mg/l |
| BOD | 1.20 | mg/l |
| Conductivity | 48.44 | µs/cm |
| Dissolved O2(DO) | 7.20 | mg/l |
| Fecal Coliform | 7000 | MPN/100ml |
| Fecal Streptococci | 340 | MPN/100ml |
| Chloride | 0.98 | mg/l |
| COD | 36.00 | mg/l |
| Fluoride | 0.12 | mg/l |
| Magnesium | 1.72 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.044 | mg/l |
| Potassium | 2.00 | mg/l |
| Sodium | 4.10 | mg/l |
| Sulphate | 11.57 | mg/l |
| Total Alkalinity | 28.00 | mg/l |
| Total Dissolved Solids(TDS) | 32.00 | mg/l |
| Total Fixed Solids(TFS) | 236.00 | mg/l |
| Nitrate-N | 0.008 | mg/l |
| pH | 7.32 | Unit |
| Temperature(Water) | 19 | ⁰C |
| Total Coliform | 21000 | MPN/100ml |
| Boron | 3.24 | mg/l |
| Ammonia-N | 0.22 | mg/l |
| Turbidity | 56.40 | NTU |