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: 25/02/2022 | Sample Time: 10:20 | |
| 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 green and light turbid | Odour: Fishy. | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | BDL | mg/l |
| BOD | 1.90 | mg/l |
| Conductivity | 56.20 | µs/cm |
| Dissolved O2(DO) | 7.80 | mg/l |
| Fecal Coliform | 7000 | MPN/100ml |
| Fecal Streptococci | 21 | MPN/100ml |
| Nitrate-N | 2.36 | mg/l |
| pH | 7.49 | Unit |
| Temperature(Water) | 18 | ⁰C |
| Total Coliform | 17000 | MPN/100ml |
| Boron | 0.89 | mg/l |
| Calcium | 10.42 | mg/l |
| Chloride | 4.89 | mg/l |
| COD | 8.32 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 1.72 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.009 | mg/l |
| Potassium | 1.00 | mg/l |
| Sodium | 2.20 | mg/l |
| Sulphate | 7.31 | mg/l |
| Total Alkalinity | 34.00 | mg/l |
| Total Dissolved Solids(TDS) | 39.00 | mg/l |
| Total Fixed Solids(TFS) | 102.00 | mg/l |
| Total Hardness as CaCo3 | 32.00 | mg/l |
| Total Suspended Solids(TSS) | 24.00 | mg/l |
| Turbidity | 55.00 | NTU |