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: 14/02/2020 | Sample Time: 10:55 Hrs | |
| Human Activities: Bathing,Washing. | Weather: Cloudy | Water Body: Balason |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Light Green and Slightly Turbid | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Dissolved O2(DO) | 6.90 | mg/l |
| Ammonia-N | 0.24 | mg/l |
| Fecal Coliform | 1300 | MPN/100ml |
| Nitrate-N | 1.34 | mg/l |
| pH | 7.85 | Unit |
| Temperature | 22 | ⁰C |
| Total Coliform | 5000 | MPN/100ml |
| Boron | 16.78 | mg/l |
| Calcium | 8.81 | mg/l |
| Chloride | 5.87 | mg/l |
| COD | 28.00 | mg/l |
| Fluoride | 0.15 | mg/l |
| Magnesium | 3.45 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.003 | mg/l |
| Potassium | 1.20 | mg/l |
| Sodium | 4.00 | mg/l |
| Sulphate | 7.57 | mg/l |
| Total Alkalinity | 34.00 | mg/l |
| Total Fixed Solids(TFS) | 186.00 | mg/l |
| Total Hardness as CaCo3 | 34.00 | mg/l |
| Total Suspended Solids(TSS) | 127.0 | mg/l |
| Turbidity | 59.20 | NTU |
| BOD | 2.40 | mg/l |
| Conductivity | 75.41 | µs/cm |
| Total Dissolved Solids(TDS) | 382.00 | mg/l |