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: 16/03/2021 | Sample Time: 11:30 Hrs | |
| Human Activities: Sand extraction | Weather: Sunny | Water Body: Balason |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Greyish Brown and Moderately turbid | Odour: None | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.12 | mg/l |
| BOD | 1.80 | mg/l |
| Conductivity | 79.00 | µs/cm |
| Dissolved O2(DO) | 6.80 | mg/l |
| Fecal Coliform | 3300 | MPN/100ml |
| Fecal Streptococci | 94 | MPN/100ml |
| Nitrate-N | 0.07 | mg/l |
| pH | 6.89 | Unit |
| Temperature(Water) | 26 | ⁰C |
| Total Coliform | 11000 | MPN/100ml |
| Boron | 0.50 | mg/l |
| Calcium | 4.81 | mg/l |
| Chloride | 7.82 | mg/l |
| COD | 30.00 | mg/l |
| Fluoride | 0.17 | mg/l |
| Magnesium | 3.46 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.006 | mg/l |
| Potassium | 0.70 | mg/l |
| Sodium | 4.0 | mg/l |
| Sulphate | 4.47 | mg/l |
| Total Alkalinity | 40.0 | mg/l |
| Total Dissolved Solids(TDS) | 36.00 | mg/l |
| Total Fixed Solids(TFS) | 122.00 | mg/l |
| Total Hardness as CaCo3 | 24.00 | mg/l |
| Total Suspended Solids(TSS) | 34.00 | mg/l |
| Turbidity | 9.54 | NTU |