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: 23/12/2021 | Sample Time: 16:10 Hrs | |
| Human Activities: Bathing,Fishing,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 Brown and moderately turbid | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.12 | mg/l |
| BOD | 0.60 | mg/l |
| Conductivity | 51.75 | µs/cm |
| Dissolved O2(DO) | 7.30 | mg/l |
| Fecal Coliform | 2200 | MPN/100ml |
| Fecal Streptococci | 49 | MPN/100ml |
| Nitrate-N | 0.12 | mg/l |
| pH | 7.09 | Unit |
| Temperature(Water) | 20 | ⁰C |
| Total Coliform | 7000 | MPN/100ml |
| Boron | 2.17 | mg/l |
| Calcium | 5.61 | mg/l |
| Chloride | 4.89 | mg/l |
| COD | 14.00 | mg/l |
| Fluoride | 0.14 | mg/l |
| Magnesium | 4.60 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.007 | mg/l |
| Potassium | 0.60 | mg/l |
| Sodium | 1.90 | mg/l |
| Sulphate | 5.84 | mg/l |
| Total Alkalinity | 40.00 | mg/l |
| Total Dissolved Solids(TDS) | 31.00 | mg/l |
| Total Fixed Solids(TFS) | 94.00 | mg/l |
| Total Hardness as CaCo3 | 30.00 | mg/l |
| Total Suspended Solids(TSS) | 69.00 | mg/l |
| Turbidity | 34.00 | NTU |