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: 26/11/2021 | Sample Time: 14:20 | |
| Human Activities: Bathing and Washing . | Weather: Sunny and Clear. | Water Body: Balason |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.50 m |
| Color & Intensity: Moderately Brown and turbid | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Conductivity | 54.72 | µs/cm |
| Ammonia-N | 0.26 | mg/l |
| COD | 20.0 | mg/l |
| Phosphate-P | 0.065 | mg/l |
| Potassium | 1.10 | mg/l |
| Sodium | 1.90 | mg/l |
| Sulphate | 4.00 | mg/l |
| Total Alkalinity | 34.00 | mg/l |
| Total Dissolved Solids(TDS) | 26.0 | mg/l |
| Total Fixed Solids(TFS) | 90.00 | mg/l |
| Total Hardness as CaCo3 | 36.00 | mg/l |
| Total Suspended Solids(TSS) | 46.00 | mg/l |
| Turbidity | 9.07 | NTU |
| Dissolved O2(DO) | 7.50 | mg/l |
| Fecal Coliform | 8000 | MPN/100ml |
| Fecal Streptococci | 38 | MPN/100ml |
| Nitrate-N | 0.07 | mg/l |
| pH | 7.44 | Unit |
| Temperature(Water) | 21 | ⁰C |
| Total Coliform | 14000 | MPN/100ml |
| Boron | 3.76 | mg/l |
| Calcium | 13.62 | mg/l |
| Chloride | 9.78 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 0.57 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| BOD | 0.60 | mg/l |