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: 20/05/2020 | Sample Time: 11:10 Hrs | |
| 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: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Dissolved O2(DO) | 6.80 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Ammonia-N | mg/l | |
| BOD | 1.70 | mg/l |
| Fecal Coliform | 3000 | MPN/100ml |
| Nitrate-N | mg/l | |
| pH | 7.80 | Unit |
| Temperature(Water) | 24 | ⁰C |
| Total Coliform | 11000 | MPN/100ml |
| Boron | 3.15 | mg/l |
| Calcium | 8.01 | mg/l |
| Chloride | 13.69 | mg/l |
| COD | 16.00 | mg/l |
| Fluoride | mg/l | |
| Magnesium | 2.88 | mg/l |
| Conductivity | 62.44 | µs/cm |
| Phosphate-P | 0.005 | mg/l |
| Potassium | 3.20 | mg/l |
| Sodium | 6.40 | mg/l |
| Sulphate | 7.09 | mg/l |
| Total Alkalinity | 58.00 | mg/l |
| Total Fixed Solids(TFS) | mg/l | |
| Total Hardness as CaCo3 | 30.0 | mg/l |
| Total Suspended Solids(TSS) | 98.00 | mg/l |
| Turbidity | NTU | |
| Total Dissolved Solids(TDS) | 125.00 | mg/l |