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: 09/01/2020 | Sample Time: 11:50 | |
| Human Activities: Bathing,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 Green and lightTurbid | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Magnesium | 3.46 | mg/l |
| Fecal Coliform | 2200 | MPN/100ml |
| Nitrate-N | 1.09 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| COD | 32.00 | mg/l |
| Conductivity | 38.11 | µs/cm |
| Chloride | 9.78 | mg/l |
| Total Dissolved Solids(TDS) | 48.00 | mg/l |
| Total Fixed Solids(TFS) | 60.00 | mg/l |
| Total Suspended Solids(TSS) | 22.00 | mg/l |
| Turbidity | 18.50 | NTU |
| Total Coliform | 9000 | MPN/100ml |
| Fluoride | 0.18 | mg/l |
| Total Hardness as CaCo3 | 48.00 | mg/l |
| Ammonia-N | 0.13 | mg/l |
| BOD | 1.20 | mg/l |
| Boron | 4.28 | mg/l |
| Dissolved O2(DO) | 7.20 | mg/l |
| Phosphate-P | 0.006 | mg/l |
| Sulphate | 4.33 | mg/l |
| Total Alkalinity | 24.00 | mg/l |
| pH | 6.72 | Unit |
| Potassium | 2.2 | mg/l |
| Calcium | 4.81 | mg/l |
| Sodium | 3.1 | mg/l |
| Temperature | 16 | ⁰C |