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: 18/06/2021 | Sample Time: 11:10 | |
| Human Activities: Fishing | Weather: Sunny | Water Body: Balason |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Light Brown and moderately turbid | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.48 | mg/l |
| BOD | 2.10 | mg/l |
| Conductivity | 65.50 | µs/cm |
| Dissolved O2(DO) | 7.60 | mg/l |
| Fecal Coliform | 3400 | MPN/100ml |
| Fecal Streptococci | 48 | MPN/100ml |
| Nitrate-N | 0.09 | mg/l |
| pH | 7.21 | Unit |
| Temperature(Water) | 24 | ⁰C |
| Total Coliform | 17000 | MPN/100ml |
| Boron | 0.60 | mg/l |
| Calcium | 18.44 | mg/l |
| Chloride | 11.74 | mg/l |
| COD | 30.00 | mg/l |
| Fluoride | 0.15 | mg/l |
| Magnesium | 5.18 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.003 | mg/l |
| Potassium | 2.80 | mg/l |
| Sodium | 6.80 | mg/l |
| Sulphate | 13.05 | mg/l |
| Total Alkalinity | 32.00 | mg/l |
| Total Dissolved Solids(TDS) | 48.00 | mg/l |
| Total Fixed Solids(TFS) | 62.00 | mg/l |
| Total Hardness as CaCo3 | 64.00 | mg/l |
| Total Suspended Solids(TSS) | 30.00 | mg/l |
| Turbidity | 46.10 | NTU |