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: 07/08/2019 | Sample Time: 16:00 | |
| Human Activities: Fishing and Sand Extraction | Weather: Cloudy and Rainy | Water Body: Balason |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Muddy and Moderately Brown | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | BDL | mg/l |
| BOD | 1.90 | mg/l |
| Conductivity | 68.86 | µs/cm |
| Fecal Coliform | 3400 | MPN/100ml |
| Nitrate-N | 2.12 | mg/l |
| Temperature | 27 | ⁰C |
| Total Coliform | 17000 | MPN/100ml |
| Boron | 0.021 | mg/l |
| Calcium | 32.00 | mg/l |
| Chloride | 14.68 | mg/l |
| COD | 31.31 | mg/l |
| Fluoride | 0.21 | mg/l |
| Magnesium | 24.00 | mg/l |
| Phosphate-P | 0.026 | mg/l |
| Potassium | 3.60 | mg/l |
| Sodium | 7.20 | mg/l |
| Sulphate | 14.25 | mg/l |
| Total Alkalinity | 36.00 | mg/l |
| Total Dissolved Solids(TDS) | 128.00 | mg/l |
| Total Fixed Solids(TFS) | 190.00 | mg/l |
| Total Hardness as CaCo3 | 56.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 112.00 | mg/l |
| Turbidity | 96.20 | NTU |
| pH | 7.97 | Unit |
| Phenolpthalein Alkanity | NIL | mg/l |
| Dissolved O2(DO) | 7.60 | mg/l |