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: 13/10/2019 | Sample Time: 14:45 | |
| Human Activities: Sand Extraction | Weather: Sunny and Clear | Water Body: Balason |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Muddy and Moderately Brown | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Potassium | 2.20 | mg/l |
| Sodium | 0.80 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.009 | mg/l |
| Total Hardness as CaCo3 | 62.00 | mg/l |
| Total Fixed Solids(TFS) | 124.00 | mg/l |
| Total Suspended Solids(TSS) | 62.00 | mg/l |
| Turbidity | 31.90 | NTU |
| Total Coliform | 7000 | MPN/100ml |
| Conductivity | 67.88 | µs/cm |
| Temperature | 29 | ⁰C |
| Dissolved O2(DO) | 6.90 | mg/l |
| Fecal Coliform | 2200 | MPN/100ml |
| Boron | 0.017 | mg/l |
| Fluoride | 0.15 | mg/l |
| Chloride | 16.63 | mg/l |
| COD | 30.00 | mg/l |
| Magnesium | 5.76 | mg/l |
| Calcium | 16.83 | mg/l |
| Sulphate | 25.30 | mg/l |
| Total Alkalinity | 70.0 | mg/l |
| Total Dissolved Solids(TDS) | 84.00 | mg/l |
| Ammonia-N | BDL | mg/l |
| BOD | 1.80 | mg/l |
| Nitrate-N | 0.87 | mg/l |
| pH | 7.10 | Unit |