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: 25/07/2019 | Sample Time: 10:00 | |
| Human Activities: Bathing, Washing and Sand recovery | Weather: Sunny ,Hot and Humid | Water Body: Balason |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Moderately Brown | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Boron | 0.017 | mg/l |
| Conductivity | 63.38 | µs/cm |
| Dissolved O2(DO) | 7.10 | mg/l |
| Fecal Coliform | 3000 | MPN/100ml |
| Nitrate-N | 0.58 | mg/l |
| pH | 7.30 | Unit |
| Temperature | 25 | ⁰C |
| Total Coliform | 7000 | MPN/100ml |
| Calcium | 7.21 | mg/l |
| Chloride | 12.72 | mg/l |
| COD | 29.25 | mg/l |
| Fluoride | 0.18 | mg/l |
| Magnesium | 3.46 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.123 | mg/l |
| Potassium | 3.2 | mg/l |
| Sodium | 6.2 | mg/l |
| Sulphate | 15.33 | mg/l |
| Total Alkalinity | 52.00 | mg/l |
| Total Dissolved Solids(TDS) | 114.00 | mg/l |
| Total Fixed Solids(TFS) | 424.00 | mg/l |
| Total Hardness as CaCo3 | 60.0 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 98.00 | mg/l |
| Turbidity | 438.00 | NTU |
| Ammonia-N | BDL | mg/l |
| BOD | 1.50 | mg/l |