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: 13/06/2022 | Sample Time: 16:00 | |
| Human Activities: Bathing and Washing,Sand Recovery and Fishing. | 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 |
| Conductivity | 69.01 | µs/cm |
| Ammonia-N | 0.15 | mg/l |
| Dissolved O2(DO) | 6.90 | mg/l |
| Fecal Coliform | 17000 | MPN/100ml |
| Fecal Streptococci | 240 | MPN/100ml |
| Nitrate-N | 0.95 | mg/l |
| pH | 6.85 | Unit |
| Temperature(Water) | 27 | ⁰C |
| Total Coliform | 90000 | MPN/100ml |
| Boron | 2.54 | mg/l |
| Calcium | 9.60 | mg/l |
| Chloride | 3.91 | mg/l |
| COD | 19.00 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 1.45 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.025 | mg/l |
| Potassium | 3.00 | mg/l |
| Sodium | 7.50 | mg/l |
| Sulphate | 9.88 | mg/l |
| Total Alkalinity | 54.00 | mg/l |
| Total Dissolved Solids(TDS) | 34.00 | mg/l |
| Total Fixed Solids(TFS) | 220.00 | mg/l |
| Total Hardness as CaCo3 | 30.00 | mg/l |
| Total Suspended Solids(TSS) | 305.00 | mg/l |
| Turbidity | 88.40 | NTU |
| BOD | 2.10 | mg/l |