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: 11/07/2022 | Sample Time: 16:00 | |
| Human Activities: Bathing and 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 turbid | Odour: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | BDL | mg/l |
| BOD | 1.70 | mg/l |
| Conductivity | 78.47 | µs/cm |
| Dissolved O2(DO) | 7.20 | mg/l |
| Fecal Coliform | 22000 | MPN/100ml |
| Fecal Streptococci | 280 | MPN/100ml |
| Nitrate-N | 0.18 | mg/l |
| pH | 7.22 | Unit |
| Temperature(Water) | 29 | ⁰C |
| Total Coliform | 28000 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 8.80 | mg/l |
| Chloride | 3.91 | mg/l |
| COD | 18.00 | mg/l |
| Fluoride | 0.11 | mg/l |
| Magnesium | 0.97 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.18 | mg/l |
| Potassium | 2.70 | mg/l |
| Sodium | 5.70 | mg/l |
| Sulphate | 9.17 | mg/l |
| Total Alkalinity | 32.00 | mg/l |
| Total Dissolved Solids(TDS) | 34.00 | mg/l |
| Total Fixed Solids(TFS) | 96.00 | mg/l |
| Total Hardness as CaCo3 | 26.00 | mg/l |
| Total Suspended Solids(TSS) | 49.00 | mg/l |
| Turbidity | 15.30 | NTU |