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: 09/03/2022 | Sample Time: 13:30 | |
| Human Activities: Bathing and Washing | Weather: Sunny and Clear. | Water Body: Balason |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Moderately brown and turbid | Odour: Fishy. | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | BDL | mg/l |
| BOD | 2.30 | mg/l |
| Conductivity | 74.86 | µs/cm |
| Dissolved O2(DO) | 7.90 | mg/l |
| Fecal Coliform | 30000 | MPN/100ml |
| Fecal Streptococci | 40 | MPN/100ml |
| Nitrate-N | 1.39 | mg/l |
| pH | 6.40 | Unit |
| Temperature(Water) | 27 | ⁰C |
| Total Coliform | 50000 | MPN/100ml |
| Boron | 0.72 | mg/l |
| Calcium | 8.00 | mg/l |
| Chloride | 5.87 | mg/l |
| COD | 27.60 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 2.91 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.010 | mg/l |
| Potassium | 1.00 | mg/l |
| Sodium | 3.30 | mg/l |
| Sulphate | 7.85 | mg/l |
| Total Alkalinity | 38.00 | mg/l |
| Total Dissolved Solids(TDS) | 37.00 | mg/l |
| Total Fixed Solids(TFS) | 142.00 | mg/l |
| Total Hardness as CaCo3 | 32.00 | mg/l |
| Total Suspended Solids(TSS) | 48.00 | mg/l |
| Turbidity | 63.00 | NTU |